vartest.c

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/*
 * VARIANT test program
 *
 * Copyright 1998 Jean-Claude Cote
 * Copyright 2006 Google (Benjamin Arai)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include <stdarg.h>
#include <stdio.h>
#include <math.h>
#include <float.h>

#define COBJMACROS
#define CONST_VTABLE

#include "windef.h"
#include "winbase.h"
#include "winsock2.h"
#include "wine/test.h"
#include "winuser.h"
#include "wingdi.h"
#include "winnls.h"
#include "winerror.h"
#include "winnt.h"

#include "wtypes.h"
#include "oleauto.h"

static HMODULE hOleaut32;

static HRESULT (WINAPI *pVarUdateFromDate)(DATE,ULONG,UDATE*);
static HRESULT (WINAPI *pVarDateFromUdate)(UDATE*,ULONG,DATE*);
static INT (WINAPI *pSystemTimeToVariantTime)(LPSYSTEMTIME,double*);
static INT (WINAPI *pVariantTimeToSystemTime)(double,LPSYSTEMTIME);
static INT (WINAPI *pDosDateTimeToVariantTime)(USHORT,USHORT,double*);
static INT (WINAPI *pVariantTimeToDosDateTime)(double,USHORT*,USHORT *);

static const WCHAR sz12[] = {'1','2','\0'};
/* the strings are localized */
static WCHAR sz12_false[32];
static WCHAR sz12_true[32];

/* Get a conversion function ptr, return if function not available */
#define CHECKPTR(func) p##func = (void*)GetProcAddress(hOleaut32, #func); \
  if (!p##func) { win_skip("function " # func " not available, not testing it\n"); return; }

/* Has I8/UI8 data type? */
static BOOL has_i8;

/* When comparing floating point values we cannot expect an exact match
 * because the rounding errors depend on the exact algorithm.
 */
#define EQ_DOUBLE(a,b)     (fabs((a)-(b)) / (1.0+fabs(a)+fabs(b)) < 1e-14)
#define EQ_FLOAT(a,b)      (fabs((a)-(b)) / (1.0+fabs(a)+fabs(b)) < 1e-7)

#define SKIPTESTS(a)  if((a > VT_CLSID+10) && (a < VT_BSTR_BLOB-10)) continue

/* Allow our test macros to work for VT_NULL and VT_EMPTY too */
#define V_EMPTY(v) V_I4(v)
#define V_NULL(v) V_I4(v)

/* Size constraints for overflow tests */
#define I1_MAX   0x7f
#define I1_MIN   ((-I1_MAX)-1)
#define UI1_MAX  0xff
#define UI1_MIN  0
#define I2_MAX   0x7fff
#define I2_MIN   ((-I2_MAX)-1)
#define UI2_MAX  0xffff
#define UI2_MIN  0
#define I4_MAX   0x7fffffff
#define I4_MIN   ((-I4_MAX)-1)
#define UI4_MAX  0xffffffff
#define UI4_MIN  0
#define I8_MAX   (((LONGLONG)I4_MAX << 32) | UI4_MAX)
#define I8_MIN   ((-I8_MAX)-1)
#define UI8_MAX  (((ULONGLONG)UI4_MAX << 32) | UI4_MAX)
#define UI8_MIN  0
#define DATE_MAX 2958465
#define DATE_MIN -657434
#define R4_MAX FLT_MAX
#define R4_MIN FLT_MIN
#define R8_MAX DBL_MAX
#define R8_MIN DBL_MIN

#define DEFINE_EXPECT(func) \
    static BOOL expect_ ## func = FALSE, called_ ## func = FALSE

#define SET_EXPECT(func) \
    do { called_ ## func = FALSE; expect_ ## func = TRUE; } while(0)

#define CHECK_EXPECT2(func) \
    do { \
        ok(expect_ ##func, "unexpected call " #func "\n"); \
        called_ ## func = TRUE; \
    }while(0)

#define CHECK_EXPECT(func) \
    do { \
        CHECK_EXPECT2(func); \
        expect_ ## func = FALSE; \
    }while(0)

#define CHECK_CALLED(func) \
    do { \
        ok(called_ ## func, "expected " #func "\n"); \
        expect_ ## func = called_ ## func = FALSE; \
    }while(0)

DEFINE_EXPECT(dispatch_invoke);

typedef struct
{
    IDispatch IDispatch_iface;
    VARTYPE vt;
    HRESULT result;
} DummyDispatch;

static inline DummyDispatch *impl_from_IDispatch(IDispatch *iface)
{
    return CONTAINING_RECORD(iface, DummyDispatch, IDispatch_iface);
}

static ULONG WINAPI DummyDispatch_AddRef(IDispatch *iface)
{
    return 2;
}

static ULONG WINAPI DummyDispatch_Release(IDispatch *iface)
{
    return 1;
}

static HRESULT WINAPI DummyDispatch_QueryInterface(IDispatch *iface,
                                                   REFIID riid,
                                                   void** ppvObject)
{
    *ppvObject = NULL;

    if (IsEqualIID(riid, &IID_IDispatch) ||
        IsEqualIID(riid, &IID_IUnknown))
    {
        *ppvObject = iface;
        IDispatch_AddRef(iface);
    }

    return *ppvObject ? S_OK : E_NOINTERFACE;
}

static HRESULT WINAPI DummyDispatch_GetTypeInfoCount(IDispatch *iface, UINT *pctinfo)
{
    ok(0, "Unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI DummyDispatch_GetTypeInfo(IDispatch *iface, UINT tinfo, LCID lcid, ITypeInfo **ti)
{
    ok(0, "Unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI DummyDispatch_GetIDsOfNames(IDispatch *iface, REFIID riid, LPOLESTR *names,
    UINT cnames, LCID lcid, DISPID *dispid)
{
    ok(0, "Unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI DummyDispatch_Invoke(IDispatch *iface,
                                           DISPID dispid, REFIID riid,
                                           LCID lcid, WORD wFlags,
                                           DISPPARAMS *params,
                                           VARIANT *res,
                                           EXCEPINFO *ei,
                                           UINT *arg_err)
{
    DummyDispatch *This = impl_from_IDispatch(iface);

    CHECK_EXPECT(dispatch_invoke);

    ok(dispid == DISPID_VALUE, "got dispid %d\n", dispid);
    ok(IsEqualIID(riid, &IID_NULL), "go riid %s\n", wine_dbgstr_guid(riid));
    ok(wFlags == DISPATCH_PROPERTYGET, "Flags wrong\n");

    ok(params->rgvarg == NULL, "got %p\n", params->rgvarg);
    ok(params->rgdispidNamedArgs == NULL, "got %p\n", params->rgdispidNamedArgs);
    ok(params->cArgs == 0, "got %d\n", params->cArgs);
    ok(params->cNamedArgs == 0, "got %d\n", params->cNamedArgs);

    ok(res != NULL, "got %p\n", res);
    ok(V_VT(res) == VT_EMPTY, "got %d\n", V_VT(res));
    ok(ei == NULL, "got %p\n", ei);
    ok(arg_err == NULL, "got %p\n", arg_err);

    if (FAILED(This->result))
        return This->result;

    V_VT(res) = This->vt;
    if (This->vt == VT_UI1)
        V_UI1(res) = 34;
    else if (This->vt == VT_NULL)
    {
        V_VT(res) = VT_NULL;
        V_BSTR(res) = NULL;
    }
    else
        memset(res, 0, sizeof(*res));

    return S_OK;
}

static const IDispatchVtbl DummyDispatch_VTable =
{
    DummyDispatch_QueryInterface,
    DummyDispatch_AddRef,
    DummyDispatch_Release,
    DummyDispatch_GetTypeInfoCount,
    DummyDispatch_GetTypeInfo,
    DummyDispatch_GetIDsOfNames,
    DummyDispatch_Invoke
};

static void init_test_dispatch(VARTYPE vt, DummyDispatch *dispatch)
{
    dispatch->IDispatch_iface.lpVtbl = &DummyDispatch_VTable;
    dispatch->vt = vt;
    dispatch->result = S_OK;
}

typedef struct IRecordInfoImpl
{
    IRecordInfo IRecordInfo_iface;
    LONG ref;
    unsigned int recordclear;
    unsigned int getsize;
    unsigned int recordcopy;
    struct __tagBRECORD *rec;
} IRecordInfoImpl;

static inline IRecordInfoImpl *impl_from_IRecordInfo(IRecordInfo *iface)
{
    return CONTAINING_RECORD(iface, IRecordInfoImpl, IRecordInfo_iface);
}

static HRESULT WINAPI RecordInfo_QueryInterface(IRecordInfo *iface, REFIID riid, void **obj)
{
    *obj = NULL;

    if (IsEqualIID(riid, &IID_IUnknown) ||
        IsEqualIID(riid, &IID_IRecordInfo))
    {
        *obj = iface;
        IRecordInfo_AddRef(iface);
        return S_OK;
    }

    return E_NOINTERFACE;
}

static ULONG WINAPI RecordInfo_AddRef(IRecordInfo *iface)
{
    IRecordInfoImpl* This = impl_from_IRecordInfo(iface);
    return InterlockedIncrement(&This->ref);
}

static ULONG WINAPI RecordInfo_Release(IRecordInfo *iface)
{
    IRecordInfoImpl* This = impl_from_IRecordInfo(iface);
    ULONG ref = InterlockedDecrement(&This->ref);

    if (!ref)
        HeapFree(GetProcessHeap(), 0, This);

    return ref;
}

static HRESULT WINAPI RecordInfo_RecordInit(IRecordInfo *iface, PVOID pvNew)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI RecordInfo_RecordClear(IRecordInfo *iface, void *data)
{
    IRecordInfoImpl* This = impl_from_IRecordInfo(iface);
    This->recordclear++;
    This->rec->pvRecord = NULL;
    return S_OK;
}

static HRESULT WINAPI RecordInfo_RecordCopy(IRecordInfo *iface, void *src, void *dest)
{
    IRecordInfoImpl* This = impl_from_IRecordInfo(iface);
    This->recordcopy++;
    ok(src == (void*)0xdeadbeef, "wrong src pointer %p\n", src);
    return S_OK;
}

static HRESULT WINAPI RecordInfo_GetGuid(IRecordInfo *iface, GUID *pguid)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI RecordInfo_GetName(IRecordInfo *iface, BSTR *pbstrName)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI RecordInfo_GetSize(IRecordInfo *iface, ULONG* size)
{
    IRecordInfoImpl* This = impl_from_IRecordInfo(iface);
    This->getsize++;
    *size = 0;
    return S_OK;
}

static HRESULT WINAPI RecordInfo_GetTypeInfo(IRecordInfo *iface, ITypeInfo **ppTypeInfo)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI RecordInfo_GetField(IRecordInfo *iface, PVOID pvData,
                                                LPCOLESTR szFieldName, VARIANT *pvarField)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI RecordInfo_GetFieldNoCopy(IRecordInfo *iface, PVOID pvData,
                            LPCOLESTR szFieldName, VARIANT *pvarField, PVOID *ppvDataCArray)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI RecordInfo_PutField(IRecordInfo *iface, ULONG wFlags, PVOID pvData,
                                            LPCOLESTR szFieldName, VARIANT *pvarField)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI RecordInfo_PutFieldNoCopy(IRecordInfo *iface, ULONG wFlags,
                PVOID pvData, LPCOLESTR szFieldName, VARIANT *pvarField)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI RecordInfo_GetFieldNames(IRecordInfo *iface, ULONG *pcNames,
                                                BSTR *rgBstrNames)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static BOOL WINAPI RecordInfo_IsMatchingType(IRecordInfo *iface, IRecordInfo *info2)
{
    ok(0, "unexpected call\n");
    return FALSE;
}

static PVOID WINAPI RecordInfo_RecordCreate(IRecordInfo *iface)
{
    ok(0, "unexpected call\n");
    return NULL;
}

static HRESULT WINAPI RecordInfo_RecordCreateCopy(IRecordInfo *iface, PVOID pvSource,
                                                    PVOID *ppvDest)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI RecordInfo_RecordDestroy(IRecordInfo *iface, PVOID pvRecord)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static const IRecordInfoVtbl RecordInfoVtbl =
{
    RecordInfo_QueryInterface,
    RecordInfo_AddRef,
    RecordInfo_Release,
    RecordInfo_RecordInit,
    RecordInfo_RecordClear,
    RecordInfo_RecordCopy,
    RecordInfo_GetGuid,
    RecordInfo_GetName,
    RecordInfo_GetSize,
    RecordInfo_GetTypeInfo,
    RecordInfo_GetField,
    RecordInfo_GetFieldNoCopy,
    RecordInfo_PutField,
    RecordInfo_PutFieldNoCopy,
    RecordInfo_GetFieldNames,
    RecordInfo_IsMatchingType,
    RecordInfo_RecordCreate,
    RecordInfo_RecordCreateCopy,
    RecordInfo_RecordDestroy
};

static IRecordInfoImpl *get_test_recordinfo(void)
{
    IRecordInfoImpl *rec;

    rec = HeapAlloc(GetProcessHeap(), 0, sizeof(IRecordInfoImpl));
    rec->IRecordInfo_iface.lpVtbl = &RecordInfoVtbl;
    rec->ref = 1;
    rec->recordclear = 0;
    rec->getsize = 0;
    rec->recordcopy = 0;

    return rec;
}

static void init(void)
{
    BSTR bstr;
    HRESULT res;

    res = VarBstrFromBool(VARIANT_TRUE, LANG_USER_DEFAULT, VAR_LOCALBOOL, &bstr);
    ok(res == S_OK && bstr[0], "Expected localized string for 'True'\n");
    /* lstrcpyW / lstrcatW do not work on win95 */
    memcpy(sz12_true, sz12, sizeof(sz12));
    if (bstr) memcpy(&sz12_true[2], bstr, SysStringByteLen(bstr) + sizeof(WCHAR));
    SysFreeString(bstr);

    res = VarBstrFromBool(VARIANT_FALSE, LANG_USER_DEFAULT, VAR_LOCALBOOL, &bstr);
    ok(res == S_OK && bstr[0], "Expected localized string for 'False'\n");
    memcpy(sz12_false, sz12, sizeof(sz12));
    if (bstr) memcpy(&sz12_false[2], bstr, SysStringByteLen(bstr) + sizeof(WCHAR));
    SysFreeString(bstr);

    hOleaut32 = GetModuleHandleA("oleaut32.dll");
    has_i8 = GetProcAddress(hOleaut32, "VarI8FromI1") != NULL;
    if (!has_i8)
        skip("No support for I8 and UI8 data types\n");
}

/* Functions to set a DECIMAL */
static void setdec(DECIMAL* dec, BYTE scl, BYTE sgn, ULONG hi32, ULONG64 lo64)
{
    S(U(*dec)).scale = scl;
    S(U(*dec)).sign = sgn;
    dec->Hi32 = hi32;
    U1(*dec).Lo64 = lo64;
}

static void setdec64(DECIMAL* dec, BYTE scl, BYTE sgn, ULONG hi32, ULONG mid32, ULONG lo32)
{
    S(U(*dec)).scale = scl;
    S(U(*dec)).sign = sgn;
    dec->Hi32 = hi32;
    S1(U1(*dec)).Mid32 = mid32;
    S1(U1(*dec)).Lo32 = lo32;
}

/* return the string text of a given variant type */
static char vtstr_buffer[16][256];
static int vtstr_current=0;
static const char *vtstr(int x)
{
    switch(x) {
#define CASE(vt) case VT_##vt: return #vt
    CASE(EMPTY);
    CASE(NULL);
    CASE(I2);
    CASE(I4);
    CASE(R4);
    CASE(R8);
    CASE(CY);
    CASE(DATE);
    CASE(BSTR);
    CASE(DISPATCH);
    CASE(ERROR);
    CASE(BOOL);
    CASE(VARIANT);
    CASE(UNKNOWN);
    CASE(DECIMAL);
    CASE(I1);
    CASE(UI1);
    CASE(UI2);
    CASE(UI4);
    CASE(I8);
    CASE(UI8);
    CASE(INT);
    CASE(UINT);
    CASE(VOID);
    CASE(HRESULT);
    CASE(PTR);
    CASE(SAFEARRAY);
    CASE(CARRAY);
    CASE(USERDEFINED);
    CASE(LPSTR);
    CASE(LPWSTR);
    CASE(RECORD);
    CASE(INT_PTR);
    CASE(UINT_PTR);
    CASE(FILETIME);
    CASE(BLOB);
    CASE(STREAM);
    CASE(STORAGE);
    CASE(STREAMED_OBJECT);
    CASE(STORED_OBJECT);
    CASE(BLOB_OBJECT);
    CASE(CF);
    CASE(CLSID);
    CASE(VERSIONED_STREAM);
    CASE(VECTOR);
    CASE(ARRAY);
    CASE(BYREF);
    CASE(RESERVED);
    CASE(ILLEGAL);
#undef CASE

    case 0xfff:
        return "VT_BSTR_BLOB/VT_ILLEGALMASKED/VT_TYPEMASK";

    default:
        vtstr_current %= ARRAY_SIZE(vtstr_buffer);
        sprintf(vtstr_buffer[vtstr_current], "unknown variant type %d", x);
        return vtstr_buffer[vtstr_current++];
    }
}

static const char *variantstr( const VARIANT *var )
{
    vtstr_current %= ARRAY_SIZE(vtstr_buffer);
    switch(V_VT(var))
    {
    case VT_I1:
        sprintf( vtstr_buffer[vtstr_current], "VT_I1(%d)", V_I1(var) ); break;
    case VT_I2:
        sprintf( vtstr_buffer[vtstr_current], "VT_I2(%d)", V_I2(var) ); break;
    case VT_I4:
        sprintf( vtstr_buffer[vtstr_current], "VT_I4(%d)", V_I4(var) ); break;
    case VT_INT:
        sprintf( vtstr_buffer[vtstr_current], "VT_INT(%d)", V_INT(var) ); break;
    case VT_I8:
        sprintf( vtstr_buffer[vtstr_current], "VT_I8(%x%08x)", (UINT)(V_I8(var) >> 32), (UINT)V_I8(var) ); break;
    case VT_UI8:
        sprintf( vtstr_buffer[vtstr_current], "VT_UI8(%x%08x)", (UINT)(V_UI8(var) >> 32), (UINT)V_UI8(var) ); break;
    case VT_R4:
        sprintf( vtstr_buffer[vtstr_current], "VT_R4(%g)", V_R4(var) ); break;
    case VT_R8:
        sprintf( vtstr_buffer[vtstr_current], "VT_R8(%g)", V_R8(var) ); break;
    case VT_UI1:
        sprintf( vtstr_buffer[vtstr_current], "VT_UI1(%u)", V_UI1(var) ); break;
    case VT_UI2:
        sprintf( vtstr_buffer[vtstr_current], "VT_UI2(%u)", V_UI2(var) ); break;
    case VT_UI4:
        sprintf( vtstr_buffer[vtstr_current], "VT_UI4(%u)", V_UI4(var) ); break;
    case VT_UINT:
        sprintf( vtstr_buffer[vtstr_current], "VT_UINT(%d)", V_UINT(var) ); break;
    case VT_CY:
        sprintf( vtstr_buffer[vtstr_current], "VT_CY(%x%08x)", S(V_CY(var)).Hi, S(V_CY(var)).Lo ); break;
    case VT_DATE:
        sprintf( vtstr_buffer[vtstr_current], "VT_DATE(%g)", V_DATE(var) ); break;
    default:
        return vtstr(V_VT(var));
    }
    return vtstr_buffer[vtstr_current++];
}

static BOOL is_expected_variant( const VARIANT *result, const VARIANT *expected )
{
    if (V_VT(result) != V_VT(expected)) return FALSE;
    switch(V_VT(expected))
    {
    case VT_EMPTY:
    case VT_NULL:
        return TRUE;

#define CASE(vt) case VT_##vt: return (V_##vt(result) == V_##vt(expected))
    CASE(BOOL);
    CASE(I1);
    CASE(UI1);
    CASE(I2);
    CASE(UI2);
    CASE(I4);
    CASE(UI4);
    CASE(I8);
    CASE(UI8);
    CASE(INT);
    CASE(UINT);
#undef CASE

    case VT_DATE:
        return EQ_FLOAT(V_DATE(result), V_DATE(expected));
    case VT_R4:
        return EQ_FLOAT(V_R4(result), V_R4(expected));
    case VT_R8:
        return EQ_FLOAT(V_R8(result), V_R8(expected));
    case VT_CY:
        return (V_CY(result).int64 == V_CY(expected).int64);
    case VT_BSTR:
        return !lstrcmpW( V_BSTR(result), V_BSTR(expected) );
    case VT_DECIMAL:
        return !memcmp( &V_DECIMAL(result), &V_DECIMAL(expected), sizeof(DECIMAL) );
    default:
        ok(0, "unhandled variant type %s\n",vtstr(V_VT(expected)));
        return FALSE;
    }
}

static void test_var_call1( int line, HRESULT (WINAPI *func)(LPVARIANT,LPVARIANT),
                           VARIANT *arg, VARIANT *expected )
{
    VARIANT old_arg = *arg;
    VARIANT result;
    HRESULT hres;

    memset( &result, 0, sizeof(result) );
    hres = func( arg, &result );
    ok_(__FILE__,line)( hres == S_OK, "wrong result %x\n", hres );
    if (hres == S_OK)
        ok_(__FILE__,line)( is_expected_variant( &result, expected ),
                            "got %s expected %s\n", variantstr(&result), variantstr(expected) );
    ok_(__FILE__,line)( is_expected_variant( arg, &old_arg ), "Modified argument %s / %s\n",
                        variantstr(&old_arg), variantstr(arg));
    VariantClear( &result );
}

static void test_var_call2( int line, HRESULT (WINAPI *func)(LPVARIANT,LPVARIANT,LPVARIANT),
                            VARIANT *left, VARIANT *right, VARIANT *expected )
{
    VARIANT old_left = *left, old_right = *right;
    VARIANT result;
    HRESULT hres;

    memset( &result, 0, sizeof(result) );
    hres = func( left, right, &result );
    ok_(__FILE__,line)( hres == S_OK, "wrong result %x\n", hres );
    if (hres == S_OK)
        ok_(__FILE__,line)( is_expected_variant( &result, expected ),
                            "got %s expected %s\n", variantstr(&result), variantstr(expected) );
    ok_(__FILE__,line)( is_expected_variant( left, &old_left ), "Modified left argument %s / %s\n",
                        variantstr(&old_left), variantstr(left));
    ok_(__FILE__,line)( is_expected_variant( right, &old_right ), "Modified right argument %s / %s\n",
                        variantstr(&old_right), variantstr(right));
    VariantClear( &result );
}

static int strcmp_wa(const WCHAR *strw, const char *stra)
{
    WCHAR buf[512];
    MultiByteToWideChar(CP_ACP, 0, stra, -1, buf, ARRAY_SIZE(buf));
    return lstrcmpW(strw, buf);
}

#define test_bstr_var(a,b) _test_bstr_var(__LINE__,a,b)
static void _test_bstr_var(unsigned line, const VARIANT *v, const char *str)
{
    ok_(__FILE__,line)(V_VT(v) == VT_BSTR, "unexpected vt=%d\n", V_VT(v));
    if(V_VT(v) == VT_BSTR)
        ok(!strcmp_wa(V_BSTR(v), str), "v=%s, expected %s\n", wine_dbgstr_w(V_BSTR(v)), str);
}

static void test_VariantInit(void)
{
  VARIANT v;

  memset(&v, -1, sizeof(v));
  VariantInit(&v);
  ok(V_VT(&v) == VT_EMPTY, "VariantInit() returned vt %d\n", V_VT(&v));
}

/* All possible combinations of extra V_VT() flags */
static const VARTYPE ExtraFlags[16] =
{
  0,
  VT_VECTOR,
  VT_ARRAY,
  VT_BYREF,
  VT_RESERVED,
  VT_VECTOR|VT_ARRAY,
  VT_VECTOR|VT_BYREF,
  VT_VECTOR|VT_RESERVED,
  VT_VECTOR|VT_ARRAY|VT_BYREF,
  VT_VECTOR|VT_ARRAY|VT_RESERVED,
  VT_VECTOR|VT_BYREF|VT_RESERVED,
  VT_VECTOR|VT_ARRAY|VT_BYREF|VT_RESERVED,
  VT_ARRAY|VT_BYREF,
  VT_ARRAY|VT_RESERVED,
  VT_ARRAY|VT_BYREF|VT_RESERVED,
  VT_BYREF|VT_RESERVED,
};

/* Determine if a vt is valid for VariantClear() */
static BOOL IsValidVariantClearVT(VARTYPE vt, VARTYPE extraFlags)
{
  BOOL ret = FALSE;

  /* Only the following flags/types are valid */
  if ((vt <= VT_LPWSTR || vt == VT_RECORD || vt == VT_CLSID) &&
      vt != (VARTYPE)15 &&
      (vt < (VARTYPE)24 || vt > (VARTYPE)31) &&
      (!(extraFlags & (VT_BYREF|VT_ARRAY)) || vt > VT_NULL) &&
      (extraFlags == 0 || extraFlags == VT_BYREF || extraFlags == VT_ARRAY ||
       extraFlags == (VT_ARRAY|VT_BYREF)))
    ret = TRUE; /* ok */

  if (!has_i8 && (vt == VT_I8 || vt == VT_UI8))
    ret = FALSE; /* Old versions of oleaut32 */
  return ret;
}

typedef struct
{
    IUnknown IUnknown_iface;
    LONG     ref;
    LONG     events;
} test_VariantClearImpl;

static inline test_VariantClearImpl *impl_from_IUnknown(IUnknown *iface)
{
    return CONTAINING_RECORD(iface, test_VariantClearImpl, IUnknown_iface);
}

static HRESULT WINAPI VC_QueryInterface(LPUNKNOWN iface,REFIID riid,LPVOID *ppobj)
{
    test_VariantClearImpl *This = impl_from_IUnknown(iface);
    This->events |= 0x1;
    return E_NOINTERFACE;
}

static ULONG WINAPI VC_AddRef(LPUNKNOWN iface) {
    test_VariantClearImpl *This = impl_from_IUnknown(iface);
    This->events |= 0x2;
    return InterlockedIncrement(&This->ref);
}

static ULONG WINAPI VC_Release(LPUNKNOWN iface) {
    test_VariantClearImpl *This = impl_from_IUnknown(iface);
    /* static class, won't be  freed */
    This->events |= 0x4;
    return InterlockedDecrement(&This->ref);
}

static const IUnknownVtbl test_VariantClear_vtbl = {
    VC_QueryInterface,
    VC_AddRef,
    VC_Release,
};

static test_VariantClearImpl test_myVariantClearImpl = {{&test_VariantClear_vtbl}, 1, 0};

static void test_VariantClear(void)
{
  struct __tagBRECORD *rec;
  IRecordInfoImpl *recinfo;
  HRESULT hres;
  VARIANTARG v;
  VARIANT v2;
  size_t i;
  LONG i4;
  IUnknown *punk;

  /* Crashes: Native does not test input for NULL, so neither does Wine */
  if (0)
      VariantClear(NULL);

  /* Only the type field is set, to VT_EMPTY */
  V_VT(&v) = VT_UI4;
  V_UI4(&v) = ~0u;
  hres = VariantClear(&v);
  ok((hres == S_OK && V_VT(&v) == VT_EMPTY),
     "VariantClear: Type set to %d, res %08x\n", V_VT(&v), hres);
  ok(V_UI4(&v) == ~0u, "VariantClear: Overwrote value\n");

  /* Test all possible V_VT values.
   * Also demonstrates that null pointers in 'v' are not dereferenced.
   * Individual variant tests should test VariantClear() with non-NULL values.
   */
  for (i = 0; i < ARRAY_SIZE(ExtraFlags); i++)
  {
    VARTYPE vt;

    for (vt = 0; vt <= VT_BSTR_BLOB; vt++)
    {
      HRESULT hExpected = DISP_E_BADVARTYPE;

      SKIPTESTS(vt);

      memset(&v, 0, sizeof(v));
      V_VT(&v) = vt | ExtraFlags[i];

      hres = VariantClear(&v);

      if (IsValidVariantClearVT(vt, ExtraFlags[i]))
        hExpected = S_OK;

      ok(hres == hExpected, "VariantClear: expected 0x%X, got 0x%X for vt %d | 0x%X\n",
         hExpected, hres, vt, ExtraFlags[i]);
    }
  }

  /* Some BYREF tests with non-NULL ptrs */

  /* VARIANT BYREF */
  V_VT(&v2) = VT_I4;
  V_I4(&v2) = 0x1234;
  V_VT(&v) = VT_VARIANT | VT_BYREF;
  V_VARIANTREF(&v) = &v2;

  hres = VariantClear(&v);
  ok(hres == S_OK, "ret %08x\n", hres);
  ok(V_VT(&v) == 0, "vt %04x\n", V_VT(&v));
  ok(V_VARIANTREF(&v) == &v2, "variant ref %p\n", V_VARIANTREF(&v2));
  ok(V_VT(&v2) == VT_I4, "vt %04x\n", V_VT(&v2));
  ok(V_I4(&v2) == 0x1234, "i4 %04x\n", V_I4(&v2));

  /* I4 BYREF */
  i4 = 0x4321;
  V_VT(&v) = VT_I4 | VT_BYREF;
  V_I4REF(&v) = &i4;

  hres = VariantClear(&v);
  ok(hres == S_OK, "ret %08x\n", hres);
  ok(V_VT(&v) == 0, "vt %04x\n", V_VT(&v));
  ok(V_I4REF(&v) == &i4, "i4 ref %p\n", V_I4REF(&v2));
  ok(i4 == 0x4321, "i4 changed %08x\n", i4);


  /* UNKNOWN */
  V_VT(&v) = VT_UNKNOWN;
  V_UNKNOWN(&v) = &test_myVariantClearImpl.IUnknown_iface;
  test_myVariantClearImpl.events = 0;
  hres = VariantClear(&v);
  ok(hres == S_OK, "ret %08x\n", hres);
  ok(V_VT(&v) == 0, "vt %04x\n", V_VT(&v));
  ok(V_UNKNOWN(&v) == &test_myVariantClearImpl.IUnknown_iface, "unknown %p\n", V_UNKNOWN(&v));
  /* Check that Release got called, but nothing else */
  ok(test_myVariantClearImpl.events ==  0x4, "Unexpected call. events %08x\n", test_myVariantClearImpl.events);

  /* UNKNOWN BYREF */
  punk = &test_myVariantClearImpl.IUnknown_iface;
  V_VT(&v) = VT_UNKNOWN | VT_BYREF;
  V_UNKNOWNREF(&v) = &punk;
  test_myVariantClearImpl.events = 0;
  hres = VariantClear(&v);
  ok(hres == S_OK, "ret %08x\n", hres);
  ok(V_VT(&v) == 0, "vt %04x\n", V_VT(&v));
  ok(V_UNKNOWNREF(&v) == &punk, "unknown ref %p\n", V_UNKNOWNREF(&v));
  /* Check that nothing got called */
  ok(test_myVariantClearImpl.events ==  0, "Unexpected call. events %08x\n", test_myVariantClearImpl.events);

  /* DISPATCH */
  V_VT(&v) = VT_DISPATCH;
  V_DISPATCH(&v) = (IDispatch*)&test_myVariantClearImpl.IUnknown_iface;
  test_myVariantClearImpl.events = 0;
  hres = VariantClear(&v);
  ok(hres == S_OK, "ret %08x\n", hres);
  ok(V_VT(&v) == 0, "vt %04x\n", V_VT(&v));
  ok(V_DISPATCH(&v) == (IDispatch*)&test_myVariantClearImpl.IUnknown_iface,
     "dispatch %p\n", V_DISPATCH(&v));
  /* Check that Release got called, but nothing else */
  ok(test_myVariantClearImpl.events ==  0x4, "Unexpected call. events %08x\n", test_myVariantClearImpl.events);

  /* DISPATCH BYREF */
  punk = &test_myVariantClearImpl.IUnknown_iface;
  V_VT(&v) = VT_DISPATCH | VT_BYREF;
  V_DISPATCHREF(&v) = (IDispatch**)&punk;
  test_myVariantClearImpl.events = 0;
  hres = VariantClear(&v);
  ok(hres == S_OK, "ret %08x\n", hres);
  ok(V_VT(&v) == 0, "vt %04x\n", V_VT(&v));
  ok(V_DISPATCHREF(&v) == (IDispatch**)&punk, "dispatch ref %p\n", V_DISPATCHREF(&v));
  /* Check that nothing got called */
  ok(test_myVariantClearImpl.events ==  0, "Unexpected call. events %08x\n", test_myVariantClearImpl.events);

  /* RECORD */
  recinfo = get_test_recordinfo();
  V_VT(&v) = VT_RECORD;
  rec = &V_UNION(&v, brecVal);
  rec->pRecInfo = &recinfo->IRecordInfo_iface;
  rec->pvRecord = (void*)0xdeadbeef;
  recinfo->recordclear = 0;
  recinfo->ref = 2;
  recinfo->rec = rec;
  hres = VariantClear(&v);
  ok(hres == S_OK, "ret %08x\n", hres);
  ok(rec->pvRecord == NULL, "got %p\n", rec->pvRecord);
  ok(recinfo->recordclear == 1, "got %d\n", recinfo->recordclear);
  ok(recinfo->ref == 1, "got %d\n", recinfo->ref);
  IRecordInfo_Release(&recinfo->IRecordInfo_iface);
}

static void test_VariantCopy(void)
{
  struct __tagBRECORD *rec;
  IRecordInfoImpl *recinfo;
  VARIANTARG vSrc, vDst;
  VARTYPE vt;
  size_t i;
  HRESULT hres, hExpected;

  /* Establish that the failure/other cases are dealt with. Individual tests
   * for each type should verify that data is copied correctly, references
   * are updated, etc.
   */

  /* vSrc == vDst */
  for (i = 0; i < ARRAY_SIZE(ExtraFlags); i++)
  {
    for (vt = 0; vt <= VT_BSTR_BLOB; vt++)
    {
      SKIPTESTS(vt);

      memset(&vSrc, 0, sizeof(vSrc));
      V_VT(&vSrc) = vt | ExtraFlags[i];

      hExpected = DISP_E_BADVARTYPE;
      /* src is allowed to be a VT_CLSID */
      if (vt != VT_CLSID && IsValidVariantClearVT(vt, ExtraFlags[i]))
        hExpected = S_OK;

      hres = VariantCopy(&vSrc, &vSrc);

      ok(hres == hExpected,
         "Copy(src==dst): expected 0x%X, got 0x%X for src==dest vt %d|0x%X\n",
         hExpected, hres, vt, ExtraFlags[i]);
    }
  }

  /* Test that if VariantClear() fails on dest, the function fails. This also
   * shows that dest is in fact cleared and not just overwritten
   */
  memset(&vSrc, 0, sizeof(vSrc));
  V_VT(&vSrc) = VT_UI1;

  for (i = 0; i < ARRAY_SIZE(ExtraFlags); i++)
  {
    for (vt = 0; vt <= VT_BSTR_BLOB; vt++)
    {
      SKIPTESTS(vt);

      hExpected = DISP_E_BADVARTYPE;

      memset(&vDst, 0, sizeof(vDst));
      V_VT(&vDst) = vt | ExtraFlags[i];

      if (IsValidVariantClearVT(vt, ExtraFlags[i]))
        hExpected = S_OK;

      hres = VariantCopy(&vDst, &vSrc);

      ok(hres == hExpected,
         "Copy(bad dst): expected 0x%X, got 0x%X for dest vt %d|0x%X\n",
         hExpected, hres, vt, ExtraFlags[i]);
      if (hres == S_OK)
        ok(V_VT(&vDst) == VT_UI1,
           "Copy(bad dst): expected vt = VT_UI1, got %d\n", V_VT(&vDst));
    }
  }

  /* Test that VariantClear() checks vSrc for validity before copying */
  for (i = 0; i < ARRAY_SIZE(ExtraFlags); i++)
  {
    for (vt = 0; vt <= VT_BSTR_BLOB; vt++)
    {
      SKIPTESTS(vt);

      hExpected = DISP_E_BADVARTYPE;

      memset(&vDst, 0, sizeof(vDst));
      V_VT(&vDst) = VT_EMPTY;

      memset(&vSrc, 0, sizeof(vSrc));
      V_VT(&vSrc) = vt | ExtraFlags[i];

      /* src is allowed to be a VT_CLSID */
      if (vt != VT_CLSID && IsValidVariantClearVT(vt, ExtraFlags[i]))
        hExpected = S_OK;

      hres = VariantCopy(&vDst, &vSrc);

      ok(hres == hExpected,
         "Copy(bad src): expected 0x%X, got 0x%X for src vt %d|0x%X\n",
         hExpected, hres, vt, ExtraFlags[i]);
      if (hres == S_OK)
      {
        ok(V_VT(&vDst) == (vt|ExtraFlags[i]),
           "Copy(bad src): expected vt = %d, got %d\n",
           vt | ExtraFlags[i], V_VT(&vDst));
        VariantClear(&vDst);
      }
    }
  }
  
  /* Test that copying a NULL BSTR results in an empty BSTR */
  memset(&vDst, 0, sizeof(vDst));
  V_VT(&vDst) = VT_EMPTY;
  memset(&vSrc, 0, sizeof(vSrc));
  V_VT(&vSrc) = VT_BSTR;
  hres = VariantCopy(&vDst, &vSrc);
  ok(hres == S_OK, "Copy(NULL BSTR): Failed to copy a NULL BSTR\n");
  if (hres == S_OK)
  {
    ok((V_VT(&vDst) == VT_BSTR) && V_BSTR(&vDst),
       "Copy(NULL BSTR): should have non-NULL result\n");
    if ((V_VT(&vDst) == VT_BSTR) && V_BSTR(&vDst))
    {
      ok(*V_BSTR(&vDst) == 0, "Copy(NULL BSTR): result not empty\n");
    }
    VariantClear(&vDst);
  }

  /* copy RECORD */
  recinfo = get_test_recordinfo();

  memset(&vDst, 0, sizeof(vDst));
  V_VT(&vDst) = VT_EMPTY;

  V_VT(&vSrc) = VT_RECORD;
  rec = &V_UNION(&vSrc, brecVal);
  rec->pRecInfo = &recinfo->IRecordInfo_iface;
  rec->pvRecord = (void*)0xdeadbeef;

  recinfo->recordclear = 0;
  recinfo->recordcopy = 0;
  recinfo->getsize = 0;
  recinfo->rec = rec;
  hres = VariantCopy(&vDst, &vSrc);
  ok(hres == S_OK, "ret %08x\n", hres);

  rec = &V_UNION(&vDst, brecVal);
  ok(rec->pvRecord != (void*)0xdeadbeef && rec->pvRecord != NULL, "got %p\n", rec->pvRecord);
  ok(rec->pRecInfo == &recinfo->IRecordInfo_iface, "got %p\n", rec->pRecInfo);
  ok(recinfo->getsize == 1, "got %d\n", recinfo->recordclear);
  ok(recinfo->recordcopy == 1, "got %d\n", recinfo->recordclear);

  VariantClear(&vDst);
  VariantClear(&vSrc);
}

/* Determine if a vt is valid for VariantCopyInd() */
static BOOL IsValidVariantCopyIndVT(VARTYPE vt, VARTYPE extraFlags)
{
  BOOL ret = FALSE;

  if ((extraFlags & VT_ARRAY) ||
     (vt > VT_NULL && vt != (VARTYPE)15 && vt < VT_VOID &&
     !(extraFlags & (VT_VECTOR|VT_RESERVED))))
  {
    ret = TRUE; /* ok */
  }
  return ret;
}

static void test_VariantCopyInd(void)
{
  VARIANTARG vSrc, vDst, vRef, vRef2;
  VARTYPE vt;
  size_t i;
  BYTE buffer[64];
  HRESULT hres, hExpected;

  memset(buffer, 0, sizeof(buffer));

  /* vSrc == vDst */
  for (i = 0; i < ARRAY_SIZE(ExtraFlags); i++)
  {
    if (ExtraFlags[i] & VT_ARRAY)
      continue; /* Native crashes on NULL safearray */

    for (vt = 0; vt <= VT_BSTR_BLOB; vt++)
    {
      SKIPTESTS(vt);

      memset(&vSrc, 0, sizeof(vSrc));
      V_VT(&vSrc) = vt | ExtraFlags[i];

      hExpected = DISP_E_BADVARTYPE;
      if (!(ExtraFlags[i] & VT_BYREF))
      {
        /* if src is not by-reference, acts as VariantCopy() */
        if (vt != VT_CLSID && IsValidVariantClearVT(vt, ExtraFlags[i]))
          hExpected = S_OK;
      }
      else
      {
        if (vt == VT_SAFEARRAY || vt == VT_BSTR || vt == VT_UNKNOWN ||
            vt == VT_DISPATCH || vt == VT_RECORD)
          continue; /* Need valid ptrs for deep copies */

        V_BYREF(&vSrc) = &buffer;
        hExpected = E_INVALIDARG;

        if ((vt == VT_I8 || vt == VT_UI8) &&
            ExtraFlags[i] == VT_BYREF)
        {
          if (has_i8)
            hExpected = S_OK; /* Only valid if I8 is a known type */
        }
        else if (IsValidVariantCopyIndVT(vt, ExtraFlags[i]))
          hExpected = S_OK;
      }

      hres = VariantCopyInd(&vSrc, &vSrc);

      ok(hres == hExpected,
         "CopyInd(src==dst): expected 0x%X, got 0x%X for src==dst vt %d|0x%X\n",
         hExpected, hres, vt, ExtraFlags[i]);
    }
  }

  /* Bad dest */
  memset(&vSrc, 0, sizeof(vSrc));
  V_VT(&vSrc) = VT_UI1|VT_BYREF;
  V_BYREF(&vSrc) = &buffer;

  for (i = 0; i < ARRAY_SIZE(ExtraFlags); i++)
  {
    for (vt = 0; vt <= VT_BSTR_BLOB; vt++)
    {
      SKIPTESTS(vt);

      memset(&vDst, 0, sizeof(vDst));
      V_VT(&vDst) = vt | ExtraFlags[i];

      hExpected = DISP_E_BADVARTYPE;

      if (IsValidVariantClearVT(vt, ExtraFlags[i]))
        hExpected = S_OK;

      hres = VariantCopyInd(&vDst, &vSrc);

      ok(hres == hExpected,
         "CopyInd(bad dst): expected 0x%X, got 0x%X for dst vt %d|0x%X\n",
         hExpected, hres, vt, ExtraFlags[i]);
      if (hres == S_OK)
        ok(V_VT(&vDst) == VT_UI1,
           "CopyInd(bad dst): expected vt = VT_UI1, got %d\n", V_VT(&vDst));
    }
  }

  /* bad src */
  for (i = 0; i < ARRAY_SIZE(ExtraFlags); i++)
  {
    if (ExtraFlags[i] & VT_ARRAY)
      continue; /* Native crashes on NULL safearray */

    for (vt = 0; vt <= VT_BSTR_BLOB; vt++)
    {
      SKIPTESTS(vt);

      memset(&vDst, 0, sizeof(vDst));
      V_VT(&vDst) = VT_EMPTY;

      memset(&vSrc, 0, sizeof(vSrc));
      V_VT(&vSrc) = vt | ExtraFlags[i];

      hExpected = DISP_E_BADVARTYPE;
      if (!(ExtraFlags[i] & VT_BYREF))
      {
        /* if src is not by-reference, acts as VariantCopy() */
        if (vt != VT_CLSID && IsValidVariantClearVT(vt, ExtraFlags[i]))
          hExpected = S_OK;
      }
      else
      {
        if (vt == VT_SAFEARRAY || vt == VT_BSTR || vt == VT_UNKNOWN ||
            vt == VT_DISPATCH || vt == VT_RECORD)
          continue; /* Need valid ptrs for deep copies, see vartype.c */

        V_BYREF(&vSrc) = &buffer;

        hExpected = E_INVALIDARG;

        if ((vt == VT_I8 || vt == VT_UI8) &&
            ExtraFlags[i] == VT_BYREF)
        {
          if (has_i8)
            hExpected = S_OK; /* Only valid if I8 is a known type */
        }
        else if (IsValidVariantCopyIndVT(vt, ExtraFlags[i]))
          hExpected = S_OK;
      }

      hres = VariantCopyInd(&vDst, &vSrc);

      ok(hres == hExpected,
         "CopyInd(bad src): expected 0x%X, got 0x%X for src vt %d|0x%X\n",
         hExpected, hres, vt, ExtraFlags[i]);
      if (hres == S_OK)
      {
        if (vt == VT_VARIANT && ExtraFlags[i] == VT_BYREF)
        {
          /* Type of vDst should be the type of the referenced variant.
           * Since we set the buffer to all zeros, its type should be
           * VT_EMPTY.
           */
          ok(V_VT(&vDst) == VT_EMPTY,
             "CopyInd(bad src): expected dst vt = VT_EMPTY, got %d|0x%X\n",
             V_VT(&vDst) & VT_TYPEMASK, V_VT(&vDst) & ~VT_TYPEMASK);
        }
        else
        {
          ok(V_VT(&vDst) == (vt|(ExtraFlags[i] & ~VT_BYREF)),
             "CopyInd(bad src): expected dst vt = %d|0x%X, got %d|0x%X\n",
             vt, ExtraFlags[i] & ~VT_BYREF,
             V_VT(&vDst) & VT_TYPEMASK, V_VT(&vDst) & ~VT_TYPEMASK);
        }
        VariantClear(&vDst);
      }
    }
  }

  /* By-reference variants are dereferenced */
  V_VT(&vRef) = VT_UI1;
  V_UI1(&vRef) = 0x77;
  V_VT(&vSrc) = VT_VARIANT|VT_BYREF;
  V_VARIANTREF(&vSrc) = &vRef;
  VariantInit(&vDst);

  hres = VariantCopyInd(&vDst, &vSrc);
  ok(hres == S_OK, "VariantCopyInd failed: 0x%08x\n", hres);
  ok(V_VT(&vDst) == VT_UI1 && V_UI1(&vDst) == 0x77,
     "CopyInd(deref): expected dst vt = VT_UI1, val 0x77, got %d|0x%X, 0x%2X\n",
      V_VT(&vDst) & VT_TYPEMASK, V_VT(&vDst) & ~VT_TYPEMASK, V_UI1(&vDst));

  /* By-reference variant to a by-reference type succeeds */
  V_VT(&vRef) = VT_UI1|VT_BYREF;
  V_UI1REF(&vRef) = buffer; buffer[0] = 0x88;
  V_VT(&vSrc) = VT_VARIANT|VT_BYREF;
  V_VARIANTREF(&vSrc) = &vRef;
  VariantInit(&vDst);

  hres = VariantCopyInd(&vDst, &vSrc);
  ok(hres == S_OK, "VariantCopyInd failed: 0x%08x\n", hres);
  ok(V_VT(&vDst) == VT_UI1 && V_UI1(&vDst) == 0x88,
     "CopyInd(deref): expected dst vt = VT_UI1, val 0x77, got %d|0x%X, 0x%2X\n",
      V_VT(&vDst) & VT_TYPEMASK, V_VT(&vDst) & ~VT_TYPEMASK, V_UI1(&vDst));

  /* But a by-reference variant to a by-reference variant fails */
  V_VT(&vRef2) = VT_UI1;
  V_UI1(&vRef2) = 0x77;
  V_VT(&vRef) = VT_VARIANT|VT_BYREF;
  V_VARIANTREF(&vRef) = &vRef2;
  V_VT(&vSrc) = VT_VARIANT|VT_BYREF;
  V_VARIANTREF(&vSrc) = &vRef;
  VariantInit(&vDst);

  hres = VariantCopyInd(&vDst, &vSrc);
  ok(hres == E_INVALIDARG,
     "CopyInd(ref->ref): expected E_INVALIDARG, got 0x%08x\n", hres);
}

static HRESULT (WINAPI *pVarParseNumFromStr)(OLECHAR*,LCID,ULONG,NUMPARSE*,BYTE*);

/* Macros for converting and testing the result of VarParseNumFromStr */
#define FAILDIG 255

static HRESULT convert_str( const char *str, INT dig, ULONG flags,
                            NUMPARSE *np, BYTE rgb[128], LCID lcid )
{
    OLECHAR buff[128];
    MultiByteToWideChar( CP_ACP,0, str, -1, buff, ARRAY_SIZE( buff ));
    memset( rgb, FAILDIG, 128 );
    memset( np, 255, sizeof(*np) );
    np->cDig = dig;
    np->dwInFlags = flags;
    return pVarParseNumFromStr( buff, lcid, LOCALE_NOUSEROVERRIDE, np, rgb);
}

static void expect_NumFromStr( int line, HRESULT hres, NUMPARSE *np, INT a, ULONG b, ULONG c,
                               INT d, INT e, INT f )
{
    if (hres == (HRESULT)S_OK)
    {
        ok_(__FILE__,line)(np->cDig == a, "Expected cDig = %d, got %d\n", a, np->cDig);
        ok_(__FILE__,line)(np->dwInFlags == b, "Expected dwInFlags = 0x%x, got 0x%x\n", b, np->dwInFlags);
        ok_(__FILE__,line)(np->dwOutFlags == c, "Expected dwOutFlags = 0x%x, got 0x%x\n", c, np->dwOutFlags);
        ok_(__FILE__,line)(np->cchUsed == d, "Expected cchUsed = %d, got %d\n", d, np->cchUsed);
        ok_(__FILE__,line)(np->nBaseShift == e, "Expected nBaseShift = %d, got %d\n", e, np->nBaseShift);
        ok_(__FILE__,line)(np->nPwr10 == f, "Expected nPwr10 = %d, got %d\n", f, np->nPwr10);
    }
}

#define CONVERTN(str,dig,flags) hres = convert_str( str, dig, flags, &np, rgb, lcid )
#define CONVERT(str,flags) CONVERTN(str,sizeof(rgb),flags)
#define EXPECT(a,b,c,d,e,f) expect_NumFromStr( __LINE__, hres, &np, a, b, c, d, e, f )
#define EXPECTRGB(a,b) ok(rgb[a] == b, "Digit[%d], expected %d, got %d\n", a, b, rgb[a])
#define EXPECTFAIL ok(hres == (HRESULT)DISP_E_TYPEMISMATCH, "Call succeeded, hres = %08x\n", hres)
#define EXPECT2(a,b) EXPECTRGB(0,a); EXPECTRGB(1,b)

static void test_VarParseNumFromStr(void)
{
  HRESULT hres;
  /* Ensure all tests are using the same locale characters for '$', ',' etc */
  LCID lcid = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);
  NUMPARSE np;
  BYTE rgb[128];

  CHECKPTR(VarParseNumFromStr);

  /* Consume a single digit */
  CONVERT("7", 0);
  EXPECT(1,0,0,1,0,0);
  EXPECT2(7,FAILDIG);

  /* cDig is not literal digits - zeros are suppressed and nPwr10 is increased */
  CONVERT("10", 0);
  EXPECT(1,0,0,2,0,1);
  /* Note: Win32 writes the trailing zeros if they are within cDig's limits,
   * but then excludes them from the returned cDig count.
   * In our implementation we don't bother writing them at all.
   */
  EXPECTRGB(0, 1);

  /* if cDig is too small and numbers follow, sets INEXACT */
  CONVERTN("11",1, 0);
  EXPECT(1,0,NUMPRS_INEXACT,2,0,1);
  EXPECT2(1,FAILDIG);

  /* Strips leading zeros */
  CONVERT("01", 0);
  EXPECT(1,0,0,2,0,0);
  EXPECT2(1,FAILDIG);

  /* Strips leading zeros */
  CONVERTN("01",1, 0);
  EXPECT(1,0,0,2,0,0);
  EXPECT2(1,FAILDIG);


  /* Fails on non digits */
  CONVERT("a", 0);
  EXPECTFAIL;
  EXPECTRGB(0,FAILDIG);

  /* Without flag, fails on whitespace */
  CONVERT(" 0", 0);
  EXPECTFAIL;
  EXPECTRGB(0,FAILDIG);


  /* With flag, consumes whitespace */
  CONVERT(" 0", NUMPRS_LEADING_WHITE);
  EXPECT(1,NUMPRS_LEADING_WHITE,NUMPRS_LEADING_WHITE,2,0,0);
  EXPECT2(0,FAILDIG);

  /* Test TAB once, then assume it acts as space for all cases */
  CONVERT("\t0", NUMPRS_LEADING_WHITE);
  EXPECT(1,NUMPRS_LEADING_WHITE,NUMPRS_LEADING_WHITE,2,0,0);
  EXPECT2(0,FAILDIG);


  /* Doesn't pick up trailing whitespace without flag */
  CONVERT("0 ", 0);
  EXPECT(1,0,0,1,0,0);
  EXPECT2(0,FAILDIG);

  /* With flag, consumes trailing whitespace */
  CONVERT("0 ", NUMPRS_TRAILING_WHITE);
  EXPECT(1,NUMPRS_TRAILING_WHITE,NUMPRS_TRAILING_WHITE,2,0,0);
  EXPECT2(0,FAILDIG);

  /* Leading flag only consumes leading */
  CONVERT(" 0 ", NUMPRS_LEADING_WHITE);
  EXPECT(1,NUMPRS_LEADING_WHITE,NUMPRS_LEADING_WHITE,2,0,0);
  EXPECT2(0,FAILDIG);

  /* Both flags consumes both */
  CONVERT(" 0 ", NUMPRS_LEADING_WHITE|NUMPRS_TRAILING_WHITE);
  EXPECT(1,NUMPRS_LEADING_WHITE|NUMPRS_TRAILING_WHITE,NUMPRS_LEADING_WHITE|NUMPRS_TRAILING_WHITE,3,0,0);
  EXPECT2(0,FAILDIG);

  /* Without flag, fails on + */
  CONVERT("+0", 0);
  EXPECTFAIL;
  EXPECTRGB(0,FAILDIG);

  /* With flag, consumes + */
  CONVERT("+0", NUMPRS_LEADING_PLUS);
  EXPECT(1,NUMPRS_LEADING_PLUS,NUMPRS_LEADING_PLUS,2,0,0);
  EXPECT2(0,FAILDIG);

  /* Without flag, doesn't consume trailing + */
  CONVERT("0+", 0);
  EXPECT(1,0,0,1,0,0);
  EXPECT2(0,FAILDIG);

  /* With flag, consumes trailing + */
  CONVERT("0+", NUMPRS_TRAILING_PLUS);
  EXPECT(1,NUMPRS_TRAILING_PLUS,NUMPRS_TRAILING_PLUS,2,0,0);
  EXPECT2(0,FAILDIG);

  /* With leading flag, doesn't consume trailing + */
  CONVERT("+0+", NUMPRS_LEADING_PLUS);
  EXPECT(1,NUMPRS_LEADING_PLUS,NUMPRS_LEADING_PLUS,2,0,0);
  EXPECT2(0,FAILDIG);

  /* Trailing + doesn't get consumed if we specify both (unlike whitespace) */
  CONVERT("+0+", NUMPRS_LEADING_PLUS|NUMPRS_TRAILING_PLUS);
  EXPECT(1,NUMPRS_LEADING_PLUS|NUMPRS_TRAILING_PLUS,NUMPRS_LEADING_PLUS,2,0,0);
  EXPECT2(0,FAILDIG);

  /* Without flag, fails on - */
  CONVERT("-0", 0);
  EXPECTFAIL;
  EXPECTRGB(0,FAILDIG);

  /* With flag, consumes - */
  CONVERT("-0", NUMPRS_LEADING_MINUS);
  EXPECT(1,NUMPRS_LEADING_MINUS,NUMPRS_NEG|NUMPRS_LEADING_MINUS,2,0,0);
  EXPECT2(0,FAILDIG);

  /* Without flag, doesn't consume trailing - */
  CONVERT("0-", 0);
  EXPECT(1,0,0,1,0,0);
  EXPECT2(0,FAILDIG);

  /* With flag, consumes trailing - */
  CONVERT("0-", NUMPRS_TRAILING_MINUS);
  EXPECT(1,NUMPRS_TRAILING_MINUS,NUMPRS_NEG|NUMPRS_TRAILING_MINUS,2,0,0);
  EXPECT2(0,FAILDIG);

  /* With leading flag, doesn't consume trailing - */
  CONVERT("-0-", NUMPRS_LEADING_MINUS);
  EXPECT(1,NUMPRS_LEADING_MINUS,NUMPRS_NEG|NUMPRS_LEADING_MINUS,2,0,0);
  EXPECT2(0,FAILDIG);

  /* Trailing - doesn't get consumed if we specify both (unlike whitespace) */
  CONVERT("-0-", NUMPRS_LEADING_MINUS|NUMPRS_TRAILING_MINUS);
  EXPECT(1,NUMPRS_LEADING_MINUS|NUMPRS_TRAILING_MINUS,NUMPRS_NEG|NUMPRS_LEADING_MINUS,2,0,0);
  EXPECT2(0,FAILDIG);

  /* Could be hex, octal or decimal - With flag reads as decimal */
  CONVERT("0", NUMPRS_HEX_OCT);
  EXPECT(1,NUMPRS_HEX_OCT,0,1,0,0);
  EXPECT2(0,FAILDIG);

  /* Doesn't recognise hex in .asm syntax */
  CONVERT("0h", NUMPRS_HEX_OCT);
  EXPECT(1,NUMPRS_HEX_OCT,0,1,0,0);
  EXPECT2(0,FAILDIG);

  /* Doesn't fail with valid leading string but no digits */
  CONVERT("0x", NUMPRS_HEX_OCT);
  EXPECT(1,NUMPRS_HEX_OCT,0,1,0,0);
  EXPECT2(0,FAILDIG);

  /* Doesn't recognise hex format numbers at all! */
  CONVERT("0x0", NUMPRS_HEX_OCT);
  EXPECT(1,NUMPRS_HEX_OCT,0,1,0,0);
  EXPECT2(0,FAILDIG);

  /* Doesn't recognise plain hex digits either */
  CONVERT("FE", NUMPRS_HEX_OCT);
  EXPECTFAIL;
  EXPECTRGB(0,FAILDIG);

  /* Octal */
  CONVERT("0100", NUMPRS_HEX_OCT);
  EXPECT(1,NUMPRS_HEX_OCT,0,4,0,2);
  EXPECTRGB(0,1);
  EXPECTRGB(1,0);
  EXPECTRGB(2,0);
  EXPECTRGB(3,FAILDIG);

  /* VB hex */
  CONVERT("&HF800", NUMPRS_HEX_OCT);
  EXPECT(4,NUMPRS_HEX_OCT,0x40,6,4,0);
  EXPECTRGB(0,15);
  EXPECTRGB(1,8);
  EXPECTRGB(2,0);
  EXPECTRGB(3,0);
  EXPECTRGB(4,FAILDIG);

  /* VB hex lower case and leading zero */
  CONVERT("&h0abcdef", NUMPRS_HEX_OCT);
  EXPECT(6,NUMPRS_HEX_OCT,0x40,9,4,0);
  EXPECTRGB(0,10);
  EXPECTRGB(1,11);
  EXPECTRGB(2,12);
  EXPECTRGB(3,13);
  EXPECTRGB(4,14);
  EXPECTRGB(5,15);
  EXPECTRGB(6,FAILDIG);

  /* VB oct */
  CONVERT("&O300", NUMPRS_HEX_OCT);
  EXPECT(3,NUMPRS_HEX_OCT,0x40,5,3,0);
  EXPECTRGB(0,3);
  EXPECTRGB(1,0);
  EXPECTRGB(2,0);
  EXPECTRGB(3,FAILDIG);

  /* VB oct lower case and leading zero */
  CONVERT("&o0777", NUMPRS_HEX_OCT);
  EXPECT(3,NUMPRS_HEX_OCT,0x40,6,3,0);
  EXPECTRGB(0,7);
  EXPECTRGB(1,7);
  EXPECTRGB(2,7);
  EXPECTRGB(3,FAILDIG);

  /* VB oct char bigger than 7 */
  CONVERT("&o128", NUMPRS_HEX_OCT);
  EXPECT(2,NUMPRS_HEX_OCT,0x40,4,3,0);
  EXPECTRGB(0,1);
  EXPECTRGB(1,2);
  EXPECTRGB(3,FAILDIG);

  /* Empty parens = error */
  CONVERT("()", NUMPRS_PARENS);
  EXPECTFAIL;
  EXPECTRGB(0,FAILDIG);

  /* With flag, trailing parens not consumed */
  CONVERT("0()", NUMPRS_PARENS);
  EXPECT(1,NUMPRS_PARENS,0,1,0,0);
  EXPECT2(0,FAILDIG);

  /* With flag, Number in parens made negative and parens consumed */
  CONVERT("(0)", NUMPRS_PARENS);
  EXPECT(1,NUMPRS_PARENS,NUMPRS_NEG|NUMPRS_PARENS,3,0,0);
  EXPECT2(0,FAILDIG);

  /* With flag, thousands sep. not needed */
  CONVERT("0", NUMPRS_THOUSANDS);
  EXPECT(1,NUMPRS_THOUSANDS,0,1,0,0);
  EXPECT2(0,FAILDIG);

  /* With flag, thousands sep. and following digits consumed */
  CONVERT("1,000", NUMPRS_THOUSANDS);
  EXPECT(1,NUMPRS_THOUSANDS,NUMPRS_THOUSANDS,5,0,3);
  EXPECTRGB(0,1);

  /* With flag and decimal point, thousands sep. but not decimals consumed */
  CONVERT("1,000.0", NUMPRS_THOUSANDS);
  EXPECT(1,NUMPRS_THOUSANDS,NUMPRS_THOUSANDS,5,0,3);
  EXPECTRGB(0,1);

  /* Without flag, chokes on currency sign */
  CONVERT("$11", 0);
  EXPECTFAIL;
  EXPECTRGB(0,FAILDIG);

  /* With flag, consumes currency sign */
  CONVERT("$11", NUMPRS_CURRENCY);
  EXPECT(2,NUMPRS_CURRENCY,NUMPRS_CURRENCY,3,0,0);
  EXPECT2(1,1);
  EXPECTRGB(2,FAILDIG);

  /* With flag only, doesn't consume decimal point */
  CONVERT("$11.1", NUMPRS_CURRENCY);
  EXPECT(2,NUMPRS_CURRENCY,NUMPRS_CURRENCY,3,0,0);
  EXPECT2(1,1);
  EXPECTRGB(2,FAILDIG);

  /* With flag and decimal flag, consumes decimal point and following digits */
  CONVERT("$11.1", NUMPRS_CURRENCY|NUMPRS_DECIMAL);
  EXPECT(3,NUMPRS_CURRENCY|NUMPRS_DECIMAL,NUMPRS_CURRENCY|NUMPRS_DECIMAL,5,0,-1);
  EXPECT2(1,1);
  EXPECTRGB(2,1);
  EXPECTRGB(3,FAILDIG);

  /* Thousands flag can only be used with currency */
  CONVERT("$1,234", NUMPRS_CURRENCY|NUMPRS_THOUSANDS);
  EXPECT(4,NUMPRS_CURRENCY|NUMPRS_THOUSANDS,NUMPRS_CURRENCY|NUMPRS_THOUSANDS,6,0,0);
  EXPECT2(1,2);
  EXPECTRGB(2,3);
  EXPECTRGB(3,4);
  EXPECTRGB(4,FAILDIG);

  /* With flag, consumes decimal point */
  CONVERT("1.1", NUMPRS_DECIMAL);
  EXPECT(2,NUMPRS_DECIMAL,NUMPRS_DECIMAL,3,0,-1);
  EXPECT2(1,1);
  EXPECTRGB(2,FAILDIG);

  /* With flag, consumes decimal point. Skipping the decimal part is not an error */
  CONVERT("1.", NUMPRS_DECIMAL);
  EXPECT(1,NUMPRS_DECIMAL,NUMPRS_DECIMAL,2,0,0);
  EXPECT2(1,FAILDIG);

  /* Consumes only one decimal point */
  CONVERT("1.1.", NUMPRS_DECIMAL);
  EXPECT(2,NUMPRS_DECIMAL,NUMPRS_DECIMAL,3,0,-1);
  EXPECT2(1,1);
  EXPECTRGB(2,FAILDIG);

  /* Without flag, doesn't consume exponent */
  CONVERT("1e1", 0);
  EXPECT(1,0,0,1,0,0);
  EXPECT2(1,FAILDIG);

  /* With flag, consumes exponent */
  CONVERT("1e1", NUMPRS_EXPONENT);
  EXPECT(1,NUMPRS_EXPONENT,NUMPRS_EXPONENT,3,0,1);
  EXPECT2(1,FAILDIG);

  /* Negative exponents are accepted without flags */
  CONVERT("1e-1", NUMPRS_EXPONENT);
  EXPECT(1,NUMPRS_EXPONENT,NUMPRS_EXPONENT,4,0,-1);
  EXPECT2(1,FAILDIG);

  /* As are positive exponents and leading exponent 0s */
  CONVERT("1e+01", NUMPRS_EXPONENT);
  EXPECT(1,NUMPRS_EXPONENT,NUMPRS_EXPONENT,5,0,1);
  EXPECT2(1,FAILDIG);

  /* The same for zero exponents */
  CONVERT("1e0", NUMPRS_EXPONENT);
  EXPECT(1,NUMPRS_EXPONENT,NUMPRS_EXPONENT,3,0,0);
  EXPECT2(1,FAILDIG);

  /* Sign on a zero exponent doesn't matter */
  CONVERT("1e+0", NUMPRS_EXPONENT);
  EXPECT(1,NUMPRS_EXPONENT,NUMPRS_EXPONENT,4,0,0);
  EXPECT2(1,FAILDIG);

  CONVERT("1e-0", NUMPRS_EXPONENT);
  EXPECT(1,NUMPRS_EXPONENT,NUMPRS_EXPONENT,4,0,0);
  EXPECT2(1,FAILDIG);

  /* Doesn't consume a real number exponent */
  CONVERT("1e1.", NUMPRS_EXPONENT);
  EXPECT(1,NUMPRS_EXPONENT,NUMPRS_EXPONENT,3,0,1);
  EXPECT2(1,FAILDIG);

  /* Powers of 10 are calculated from the position of any decimal point */
  CONVERT("1.5e20", NUMPRS_EXPONENT|NUMPRS_DECIMAL);
  EXPECT(2,NUMPRS_EXPONENT|NUMPRS_DECIMAL,NUMPRS_EXPONENT|NUMPRS_DECIMAL,6,0,19);
  EXPECT2(1,5);

  CONVERT("1.5e-20", NUMPRS_EXPONENT|NUMPRS_DECIMAL);
  EXPECT(2,NUMPRS_EXPONENT|NUMPRS_DECIMAL,NUMPRS_EXPONENT|NUMPRS_DECIMAL,7,0,-21);
  EXPECT2(1,5);

  /* Flag expects all digits */
  CONVERT("0", NUMPRS_USE_ALL);
  EXPECT(1,NUMPRS_USE_ALL,0,1,0,0);
  EXPECT2(0,FAILDIG);

  /* Rejects anything trailing */
  CONVERT("0 ", NUMPRS_USE_ALL);
  EXPECTFAIL;
  EXPECT2(0,FAILDIG);

  /* Unless consumed by trailing flag */
  CONVERT("0 ", NUMPRS_USE_ALL|NUMPRS_TRAILING_WHITE);
  EXPECT(1,NUMPRS_USE_ALL|NUMPRS_TRAILING_WHITE,NUMPRS_TRAILING_WHITE,2,0,0);
  EXPECT2(0,FAILDIG);

  /* Leading whitespace and plus, doesn't consume trailing whitespace */
  CONVERT("+ 0 ", NUMPRS_LEADING_PLUS|NUMPRS_LEADING_WHITE);
  EXPECT(1,NUMPRS_LEADING_PLUS|NUMPRS_LEADING_WHITE,NUMPRS_LEADING_PLUS|NUMPRS_LEADING_WHITE,3,0,0);
  EXPECT2(0,FAILDIG);

  /* Order of whitespace and plus is unimportant */
  CONVERT(" +0", NUMPRS_LEADING_PLUS|NUMPRS_LEADING_WHITE);
  EXPECT(1,NUMPRS_LEADING_PLUS|NUMPRS_LEADING_WHITE,NUMPRS_LEADING_PLUS|NUMPRS_LEADING_WHITE,3,0,0);
  EXPECT2(0,FAILDIG);

  /* Leading whitespace can be repeated */
  CONVERT(" + 0", NUMPRS_LEADING_PLUS|NUMPRS_LEADING_WHITE);
  EXPECT(1,NUMPRS_LEADING_PLUS|NUMPRS_LEADING_WHITE,NUMPRS_LEADING_PLUS|NUMPRS_LEADING_WHITE,4,0,0);
  EXPECT2(0,FAILDIG);

  /* But plus/minus etc. cannot */
  CONVERT("+ +0", NUMPRS_LEADING_PLUS|NUMPRS_LEADING_WHITE);
  EXPECTFAIL;
  EXPECTRGB(0,FAILDIG);

  /* Inexact is not set if trailing zeros are removed */
  CONVERTN("10", 1, 0);
  EXPECT(1,0,0,2,0,1);
  EXPECT2(1,FAILDIG);

  /* Make sure a leading 0 is stripped but decimals after it get read */
  CONVERT("-0.51", NUMPRS_STD);
  EXPECT(2,NUMPRS_STD,NUMPRS_NEG|NUMPRS_DECIMAL|NUMPRS_LEADING_MINUS,5,0,-2);
  EXPECT2(5,1);

  /* Keep trailing zeros on whole number part of a decimal */
  CONVERT("10.1", NUMPRS_STD);
  EXPECT(3,NUMPRS_STD,NUMPRS_DECIMAL,4,0,-1);
  EXPECT2(1,0);
  EXPECTRGB(2,1);

  /* Zeros after decimal sign */
  CONVERT("0.01", NUMPRS_STD);
  EXPECT(1,NUMPRS_STD,NUMPRS_DECIMAL,4,0,-2);
  EXPECT2(1,FAILDIG);

  /* Trailing zeros after decimal part */
  CONVERT("0.10", NUMPRS_STD);
  EXPECT(1,NUMPRS_STD,NUMPRS_DECIMAL,4,0,-1);
  EXPECT2(1,0);
}

static HRESULT (WINAPI *pVarNumFromParseNum)(NUMPARSE*,BYTE*,ULONG,VARIANT*);

/* Macros for converting and testing the result of VarNumFromParseNum */
#define SETRGB(indx,val) if (!indx) memset(rgb, FAILDIG, sizeof(rgb)); rgb[indx] = val
#undef CONVERT
#define CONVERT(a,b,c,d,e,f,bits) \
    np.cDig = (a); np.dwInFlags = (b); np.dwOutFlags = (c); np.cchUsed = (d); \
    np.nBaseShift = (e); np.nPwr10 = (f); hres = pVarNumFromParseNum(&np, rgb, bits, &vOut)
static const char *szFailOverflow = "Expected overflow, hres = %08x\n";
#define EXPECT_OVERFLOW ok(hres == (HRESULT)DISP_E_OVERFLOW, szFailOverflow, hres)
static const char *szFailOk = "Call failed, hres = %08x\n";
#define EXPECT_OK ok(hres == (HRESULT)S_OK, szFailOk, hres); \
  if (hres == (HRESULT)S_OK)
#define EXPECT_TYPE(typ) ok(V_VT(&vOut) == typ,"Expected Type = " #typ ", got %d\n", V_VT(&vOut))
#define EXPECT_I1(val) EXPECT_OK { EXPECT_TYPE(VT_I1); \
  ok(V_I1(&vOut) == val, "Expected i1 = %d, got %d\n", (signed char)val, V_I1(&vOut)); }
#define EXPECT_UI1(val) EXPECT_OK { EXPECT_TYPE(VT_UI1); \
  ok(V_UI1(&vOut) == val, "Expected ui1 = %d, got %d\n", (BYTE)val, V_UI1(&vOut)); }
#define EXPECT_I2(val) EXPECT_OK { EXPECT_TYPE(VT_I2); \
  ok(V_I2(&vOut) == val, "Expected i2 = %d, got %d\n", (SHORT)val, V_I2(&vOut)); }
#define EXPECT_UI2(val) EXPECT_OK { EXPECT_TYPE(VT_UI2); \
  ok(V_UI2(&vOut) == val, "Expected ui2 = %d, got %d\n", (USHORT)val, V_UI2(&vOut)); }
#define EXPECT_I4(val) EXPECT_OK { EXPECT_TYPE(VT_I4); \
  ok(V_I4(&vOut) == val, "Expected i4 = %d, got %d\n", (LONG)val, V_I4(&vOut)); }
#define EXPECT_UI4(val) EXPECT_OK { EXPECT_TYPE(VT_UI4); \
  ok(V_UI4(&vOut) == val, "Expected ui4 = %d, got %d\n", (ULONG)val, V_UI4(&vOut)); }
#define EXPECT_I8(high,low) EXPECT_OK { EXPECT_TYPE(VT_I8); \
  ok(V_I8(&vOut) == ((((ULONG64)(high))<<32)|(low)), "Expected i8 = %x%08x, got %x%08x\n", \
     (LONG)(high), (LONG)(low), (LONG)(V_I8(&vOut)>>32), (LONG)V_I8(&vOut) ); }
#define EXPECT_UI8(val) EXPECT_OK { EXPECT_TYPE(VT_UI8); \
  ok(V_UI8(&vOut) == val, "Expected ui8 = 0x%x%08x, got 0x%x%08x\n", \
      (DWORD)((ULONG64)val >> 32), (DWORD)(ULONG64)val, (DWORD)(V_UI8(&vOut) >> 32), (DWORD)V_UI8(&vOut)); }
#define EXPECT_R4(val) EXPECT_OK { EXPECT_TYPE(VT_R4); \
  ok(V_R4(&vOut) == val, "Expected r4 = %f, got %f\n", val, V_R4(&vOut)); }
#define EXPECT_R8(val) EXPECT_OK { EXPECT_TYPE(VT_R8); \
  ok(V_R8(&vOut) == val, "Expected r8 = %g, got %g\n", val, V_R8(&vOut)); }
#define CY_MULTIPLIER 10000
#define EXPECT_CY(val) EXPECT_OK { EXPECT_TYPE(VT_CY); \
  ok(V_CY(&vOut).int64 == (LONG64)(val * CY_MULTIPLIER), "Expected r8 = 0x%x%08x, got 0x%x%08x\n", \
      (DWORD)((LONG64)val >> 23), (DWORD)(LONG64)val, (DWORD)(V_CY(&vOut).int64 >>32), (DWORD)V_CY(&vOut).int64); }
#define EXPECT_DECIMAL(valHi, valMid, valLo) EXPECT_OK { EXPECT_TYPE(VT_DECIMAL); \
      ok((V_DECIMAL(&vOut).Hi32 == valHi) && (S1(U1(V_DECIMAL(&vOut))).Mid32 == valMid) && \
      (S1(U1(V_DECIMAL(&vOut))).Lo32 == valLo),                      \
  "Expected decimal = %x/0x%x%08x, got %x/0x%x%08x\n", valHi, valMid, valLo, \
      V_DECIMAL(&vOut).Hi32, S1(U1(V_DECIMAL(&vOut))).Mid32, S1(U1(V_DECIMAL(&vOut))).Lo32); }

static void test_VarNumFromParseNum(void)
{
  HRESULT hres;
  NUMPARSE np;
  BYTE rgb[128];
  VARIANT vOut;

  CHECKPTR(VarNumFromParseNum);
    
  /* Convert the number 1 to different types */
  SETRGB(0, 1); CONVERT(1,0,0,1,0,0, VTBIT_I1); EXPECT_I1(1);
  SETRGB(0, 1); CONVERT(1,0,0,1,0,0, VTBIT_UI1); EXPECT_UI1(1);
  /* Prefers a signed type to unsigned of the same size */
  SETRGB(0, 1); CONVERT(1,0,0,1,0,0, VTBIT_I1|VTBIT_UI1); EXPECT_I1(1);
  /* But takes the smaller size if possible */
  SETRGB(0, 1); CONVERT(1,0,0,1,0,0, VTBIT_I2|VTBIT_UI1); EXPECT_UI1(1);

  /* Try different integer sizes */
#define INTEGER_VTBITS (VTBIT_I1|VTBIT_UI1|VTBIT_I2|VTBIT_UI2|VTBIT_I4|VTBIT_UI4|VTBIT_I8|VTBIT_UI8)

  SETRGB(0, 1); CONVERT(1,0,0,1,0,0, INTEGER_VTBITS); EXPECT_I1(1);
  /* 127 */
  SETRGB(0, 1); SETRGB(1, 2); SETRGB(2, 7);
  CONVERT(3,0,0,3,0,0, INTEGER_VTBITS); EXPECT_I1(127);
  /* 128 */
  SETRGB(0, 1); SETRGB(1, 2); SETRGB(2, 8);
  CONVERT(3,0,0,3,0,0, INTEGER_VTBITS); EXPECT_UI1(128);
  /* 255 */
  SETRGB(0, 2); SETRGB(1, 5); SETRGB(2, 5);
  CONVERT(3,0,0,3,0,0, INTEGER_VTBITS); EXPECT_UI1(255);
  /* 256 */
  SETRGB(0, 2); SETRGB(1, 5); SETRGB(2, 6);
  CONVERT(3,0,0,3,0,0, INTEGER_VTBITS); EXPECT_I2(256);
  /* 32767 */
  SETRGB(0, 3); SETRGB(1, 2); SETRGB(2, 7); SETRGB(3, 6); SETRGB(4, 7);
  CONVERT(5,0,0,5,0,0, INTEGER_VTBITS); EXPECT_I2(32767);
  /* 32768 */
  SETRGB(0, 3); SETRGB(1, 2); SETRGB(2, 7); SETRGB(3, 6); SETRGB(4, 8);
  CONVERT(5,0,0,5,0,0, INTEGER_VTBITS); EXPECT_UI2(32768);

  /* Assume the above pattern holds for remaining positive integers; test negative */

  /* -128 */
  SETRGB(0, 1); SETRGB(1, 2); SETRGB(2, 8);
  CONVERT(3,0,NUMPRS_NEG,3,0,0, INTEGER_VTBITS); EXPECT_I1(-128);
  /* -129 */
  SETRGB(0, 1); SETRGB(1, 2); SETRGB(2, 9);
  CONVERT(3,0,NUMPRS_NEG,3,0,0, INTEGER_VTBITS); EXPECT_I2(-129);
  /* -32768 */
  SETRGB(0, 3); SETRGB(1, 2); SETRGB(2, 7); SETRGB(3, 6); SETRGB(4, 8);
  CONVERT(5,0,NUMPRS_NEG,5,0,0, INTEGER_VTBITS); EXPECT_I2(-32768);
  /* -32768 */
  SETRGB(0, 3); SETRGB(1, 2); SETRGB(2, 7); SETRGB(3, 6); SETRGB(4, 9);
  CONVERT(5,0,NUMPRS_NEG,5,0,0, INTEGER_VTBITS); EXPECT_I4(-32769);

  /* Assume the above pattern holds for remaining negative integers */

  /* Test hexadecimal conversions */
  SETRGB(0, 1); CONVERT(1,0,0,1,4,0, INTEGER_VTBITS); EXPECT_I1(0x01);
  /* 0x7f */
  SETRGB(0, 7); SETRGB(1, 0xf);
  CONVERT(2,0,0,2,4,0, INTEGER_VTBITS); EXPECT_I1(0x7f);
  SETRGB(0, 7); SETRGB(1, 0xf);
  CONVERT(2,0,0,2,4,0, VTBIT_DECIMAL); EXPECT_DECIMAL(0,0,0x7f);
  /* 0x7fff */
  SETRGB(0, 7); SETRGB(1, 0xf); SETRGB(2, 0xf); SETRGB(3, 0xf);
  CONVERT(4,0,0,4,4,0, INTEGER_VTBITS); EXPECT_I2(0x7fff);
  /* 0x7fffffff */
  SETRGB(0, 7); SETRGB(1, 0xf); SETRGB(2, 0xf); SETRGB(3, 0xf);
  SETRGB(4, 0xf); SETRGB(5, 0xf); SETRGB(6, 0xf); SETRGB(7, 0xf);
  CONVERT(8,0,0,8,4,0, INTEGER_VTBITS); EXPECT_I4(0x7fffffffL);
  /* 0x7fffffffffffffff (64 bits) */
  SETRGB(0, 7); SETRGB(1, 0xf); SETRGB(2, 0xf); SETRGB(3, 0xf);
  SETRGB(4, 0xf); SETRGB(5, 0xf); SETRGB(6, 0xf); SETRGB(7, 0xf);
  SETRGB(8, 0xf); SETRGB(9, 0xf); SETRGB(10, 0xf); SETRGB(11, 0xf);
  SETRGB(12, 0xf); SETRGB(13, 0xf); SETRGB(14, 0xf); SETRGB(15, 0xf);
  if (has_i8)
  {
    /* We cannot use INTEGER_VTBITS as WinXP and Win2003 are broken(?). They
       truncate the number to the smallest integer size requested:
       CONVERT(16,0,0,16,4,0, INTEGER_VTBITS); EXPECT_I1((signed char)0xff); */
    CONVERT(16,0,0,16,4,0, VTBIT_I8); EXPECT_I8(0x7fffffff,0xffffffff);
  }

  /* Assume the above pattern holds for numbers without hi-bit set, test (preservation of) hi-bit */
  /* 0x82 */
  SETRGB(0, 8); SETRGB(1, 2);
  CONVERT(2,0,0,2,4,0, INTEGER_VTBITS);
  EXPECT_I1((signed char)0x82);
  /* 0x8002 */
  SETRGB(0, 8); SETRGB(1, 0); SETRGB(2, 0); SETRGB(3, 2);
  CONVERT(4,0,0,4,4,0, INTEGER_VTBITS);
  EXPECT_I2((signed short)0x8002);
  /* 0x80000002 */
  SETRGB(0, 8); SETRGB(1, 0); SETRGB(2, 0); SETRGB(3, 0);
  SETRGB(4, 0); SETRGB(5, 0); SETRGB(6, 0); SETRGB(7, 2);
  CONVERT(8,0,0,8,4,0, INTEGER_VTBITS); EXPECT_I4(0x80000002);
  /* 0x8000000000000002 (64 bits) */
  SETRGB(0, 8); SETRGB(1, 0); SETRGB(2, 0); SETRGB(3, 0);
  SETRGB(4, 0); SETRGB(5, 0); SETRGB(6, 0); SETRGB(7, 0);
  SETRGB(8, 0); SETRGB(9, 0); SETRGB(10, 0); SETRGB(11, 0);
  SETRGB(12, 0); SETRGB(13, 0); SETRGB(14, 0); SETRGB(15, 2);
  if (has_i8)
  {
    /* We cannot use INTEGER_VTBITS as WinXP and Win2003 are broken(?). They
       truncate the number to the smallest integer size requested:
       CONVERT(16,0,0,16,4,0, INTEGER_VTBITS & ~VTBIT_I1);
       EXPECT_I2((signed short)0x0002); */
    CONVERT(16,0,0,16,4,0, VTBIT_I8); EXPECT_I8(0x80000000,0x00000002);
  }

  /* Test (preservation of) hi-bit with STRICT type requesting */
  /* 0x82 */
  SETRGB(0, 8); SETRGB(1, 2);
  CONVERT(2,0,0,2,4,0, VTBIT_I1);
  EXPECT_I1((signed char)0x82);
  /* 0x8002 */
  SETRGB(0, 8); SETRGB(1, 0); SETRGB(2, 0); SETRGB(3, 2);
  CONVERT(4,0,0,4,4,0, VTBIT_I2);
  EXPECT_I2((signed short)0x8002);
  /* 0x80000002 */
  SETRGB(0, 8); SETRGB(1, 0); SETRGB(2, 0); SETRGB(3, 0);
  SETRGB(4, 0); SETRGB(5, 0); SETRGB(6, 0); SETRGB(7, 2);
  CONVERT(8,0,0,8,4,0, VTBIT_I4); EXPECT_I4(0x80000002);
  /* 0x8000000000000002 (64 bits) */
  SETRGB(0, 8); SETRGB(1, 0); SETRGB(2, 0); SETRGB(3, 0);
  SETRGB(4, 0); SETRGB(5, 0); SETRGB(6, 0); SETRGB(7, 0);
  SETRGB(8, 0); SETRGB(9, 0); SETRGB(10, 0); SETRGB(11, 0);
  SETRGB(12, 0); SETRGB(13, 0); SETRGB(14, 0); SETRGB(15, 2);
  if (has_i8)
  {
    CONVERT(16,0,0,16,4,0, VTBIT_I8); EXPECT_I8(0x80000000,0x00000002);
  }
  /* Assume the above pattern holds for numbers with hi-bit set */

  /* Negative numbers overflow if we have only unsigned outputs */
  /* -1 */
  SETRGB(0, 1); CONVERT(1,0,NUMPRS_NEG,1,0,0, VTBIT_UI1); EXPECT_OVERFLOW;
  /* -0.6 */
  SETRGB(0, 6); CONVERT(1,0,NUMPRS_NEG,1,0,~0u, VTBIT_UI1); EXPECT_OVERFLOW;

  /* Except that rounding is done first, so -0.5 to 0 are accepted as 0 */
  /* -0.5 */
  SETRGB(0, 5); CONVERT(1,0,NUMPRS_NEG,1,0,~0u, VTBIT_UI1); EXPECT_UI1(0);

  /* Floating point zero is OK */
  /* 0.00000000E0 */
  SETRGB(0, 0); CONVERT(1,0,NUMPRS_DECIMAL|NUMPRS_EXPONENT,12,0,-8, VTBIT_R8);
  EXPECT_R8(0.0);

  /* Float is acceptable for an integer input value */
  SETRGB(0, 1); CONVERT(1,0,0,1,0,0, VTBIT_R4); EXPECT_R4(1.0f);
  /* As is double */
  SETRGB(0, 1); CONVERT(1,0,0,1,0,0, VTBIT_R8); EXPECT_R8(1.0);
  /* As is currency */
  SETRGB(0, 1); CONVERT(1,0,0,1,0,0, VTBIT_CY); EXPECT_CY(1);

  /* Float is preferred over double */
  SETRGB(0, 1); CONVERT(1,0,0,1,0,0, VTBIT_R4|VTBIT_R8); EXPECT_R4(1.0f);

  /* Double is preferred over currency */
  SETRGB(0, 1); CONVERT(1,0,0,1,0,0, VTBIT_R8|VTBIT_CY); EXPECT_R8(1.0);

  /* Currency is preferred over decimal */
  SETRGB(0, 1); CONVERT(1,0,0,1,0,0, VTBIT_CY|VTBIT_DECIMAL); EXPECT_CY(1);

  /* Underflow test */
  SETRGB(0, 1); CONVERT(1,0,NUMPRS_EXPONENT,1,0,-94938484, VTBIT_R4); EXPECT_R4(0.0);
  SETRGB(0, 1); CONVERT(1,0,NUMPRS_EXPONENT,1,0,-94938484, VTBIT_R8); EXPECT_R8(0.0);
  SETRGB(0, 1); CONVERT(1,0,NUMPRS_EXPONENT,1,0,-94938484, VTBIT_CY); EXPECT_CY(0);
}


static void test_UdateFromDate( int line, DATE dt, ULONG flags, HRESULT r, WORD d, WORD m, WORD y,
                                WORD h, WORD mn, WORD s, WORD ms, WORD dw, WORD dy)
{
    UDATE ud;
    HRESULT res;

    memset(&ud, 0, sizeof(ud));
    res = pVarUdateFromDate(dt, flags, &ud);
    ok_(__FILE__,line)(r == res && (res != S_OK || (ud.st.wYear == y && ud.st.wMonth == m && ud.st.wDay == d &&
                       ud.st.wHour == h && ud.st.wMinute == mn && ud.st.wSecond == s &&
                       ud.st.wMilliseconds == ms && ud.st.wDayOfWeek == dw && ud.wDayOfYear == dy)),
                       "%.16g expected res(%x) %d,%d,%d,%d,%d,%d,%d  %d %d, got res(%x) %d,%d,%d,%d,%d,%d,%d  %d %d\n",
                       dt, r, d, m, y, h, mn, s, ms, dw, dy,
                       res, ud.st.wDay, ud.st.wMonth, ud.st.wYear, ud.st.wHour, ud.st.wMinute,
                       ud.st.wSecond, ud.st.wMilliseconds, ud.st.wDayOfWeek, ud.wDayOfYear );
}
#define DT2UD(dt,flags,r,d,m,y,h,mn,s,ms,dw,dy) test_UdateFromDate(__LINE__,dt,flags,r,d,m,y,h,mn,s,ms,dw,dy)

static void test_VarUdateFromDate(void)
{
  CHECKPTR(VarUdateFromDate);
  DT2UD(29221.0,0,S_OK,1,1,1980,0,0,0,0,2,1);        /* 1 Jan 1980 */
  DT2UD(29222.0,0,S_OK,2,1,1980,0,0,0,0,3,2);        /* 2 Jan 1980 */
  DT2UD(33238.0,0,S_OK,31,12,1990,0,0,0,0,1,365);    /* 31 Dec 1990 */
  DT2UD(0.0,0,S_OK,30,12,1899,0,0,0,0,6,364);        /* 30 Dec 1899 - VT_DATE 0.0 */
  DT2UD(-657434.0,0,S_OK,1,1,100,0,0,0,0,5,1);       /* 1 Jan 100 - Min */
  DT2UD(-657435.0,0,E_INVALIDARG,0,0,0,0,0,0,0,0,0); /* < 1 Jan 100 => err */
  DT2UD(2958465.0,0,S_OK,31,12,9999,0,0,0,0,5,365);  /* 31 Dec 9999 - Max */
  DT2UD(2958466.0,0,E_INVALIDARG,0,0,0,0,0,0,0,0,0); /* > 31 Dec 9999 => err  */

  /* VAR_VALIDDATE doesn't prevent upper and lower bounds being checked */
  DT2UD(-657435.0,VAR_VALIDDATE,E_INVALIDARG,0,0,0,0,0,0,0,0,0);
  DT2UD(2958466.0,VAR_VALIDDATE,E_INVALIDARG,0,0,0,0,0,0,0,0,0);

  /* Times */
  DT2UD(29221.25,0,S_OK,1,1,1980,6,0,0,0,2,1);           /* 6 AM */
  DT2UD(29221.33333333,0,S_OK,1,1,1980,8,0,0,0,2,1);     /* 8 AM */
  DT2UD(29221.5,0,S_OK,1,1,1980,12,0,0,0,2,1);           /* 12 AM */
  DT2UD(29221.9888884444,0,S_OK,1,1,1980,23,44,0,0,2,1); /* 11:44 PM */
  DT2UD(29221.7508765432,0,S_OK,1,1,1980,18,1,16,0,2,1); /* 6:18:02 PM */

  /* Test handling of times on dates prior to the epoch */
  DT2UD(-5.25,0,S_OK,25,12,1899,6,0,0,0,1,359);
  DT2UD(-5.9999884259259,0,S_OK,25,12,1899,23,59,59,0,1,359);
  /* This just demonstrates the non-linear nature of values prior to the epoch */
  DT2UD(-4.0,0,S_OK,26,12,1899,0,0,0,0,2,360);
  /* Numerical oddity: for 0.0 < x < 1.0, x and -x represent the same datetime */
  DT2UD(-0.25,0,S_OK,30,12,1899,6,0,0,0,6,364);
  DT2UD(0.25,0,S_OK,30,12,1899,6,0,0,0,6,364);
}


static void test_DateFromUDate( int line, WORD d, WORD m, WORD y, WORD h, WORD mn, WORD s, WORD ms,
                                WORD dw, WORD dy, ULONG flags, HRESULT r, DATE dt )
{
    UDATE ud;
    double out;
    HRESULT res;

    ud.st.wYear = y;
    ud.st.wMonth = m;
    ud.st.wDay = d;
    ud.st.wHour = h;
    ud.st.wMinute = mn;
    ud.st.wSecond = s;
    ud.st.wMilliseconds = ms;
    ud.st.wDayOfWeek = dw;
    ud.wDayOfYear = dy;
    res = pVarDateFromUdate(&ud, flags, &out);
    ok_(__FILE__,line)(r == res && (r != S_OK || EQ_DOUBLE(out, dt)),
                       "expected %x, %.16g, got %x, %.16g\n", r, dt, res, out);
}
#define UD2T(d,m,y,h,mn,s,ms,dw,dy,flags,r,dt) test_DateFromUDate(__LINE__,d,m,y,h,mn,s,ms,dw,dy,flags,r,dt)

static void test_VarDateFromUdate(void)
{
  CHECKPTR(VarDateFromUdate);
  UD2T(1,1,1980,0,0,0,0,2,1,0,S_OK,29221.0);      /* 1 Jan 1980 */
  UD2T(2,1,1980,0,0,0,0,3,2,0,S_OK,29222.0);      /* 2 Jan 1980 */
  UD2T(2,1,1980,0,0,0,0,4,5,0,S_OK,29222.0);      /* 2 Jan 1980 */
  UD2T(31,12,1990,0,0,0,0,0,0,0,S_OK,33238.0);    /* 31 Dec 1990 */
  UD2T(31,12,90,0,0,0,0,0,0,0,S_OK,33238.0);      /* year < 100 is 1900+year! */
  UD2T(30,12,1899,0,0,0,0,6,364,0,S_OK,0.0);      /* 30 Dec 1899 - VT_DATE 0.0 */
  UD2T(1,1,100,0,0,0,0,0,0,0,S_OK,-657434.0);     /* 1 Jan 100 - Min */
  UD2T(31,12,9999,0,0,0,0,0,0,0,S_OK,2958465.0);  /* 31 Dec 9999 - Max */
  UD2T(1,1,10000,0,0,0,0,0,0,0,E_INVALIDARG,0.0); /* > 31 Dec 9999 => err  */
  UD2T(1,1,-10000,0,0,0,0,0,0,0,E_INVALIDARG,0.0);/* < -9999 => err  */

  UD2T(30,12,1899,0,0,0,0,0,0,0,S_OK,0.0); /* 30 Dec 1899 0:00:00  */
  UD2T(30,12,1899,0,0,0,999,0,0,0,S_OK,0.0); /* Ignore milliseconds  */

  UD2T(1,1,1980,18,1,16,0,2,1,0,S_OK,29221.75087962963);             /* 6:18:02 PM */
  UD2T(1,300,1980,18,1,16,0,2,1,0,S_OK,38322.75087962963);           /* Test fwdrolled month */
  UD2T(300,1,1980,18,1,16,0,2,1,0,S_OK,29520.75087962963);           /* Test fwdrolled days */
  UD2T(0,1,1980,42,1,16,0,2,1,0,S_OK,29221.75087962963);             /* Test fwdrolled hours */
  UD2T(1,1,1980,17,61,16,0,2,1,0,S_OK,29221.75087962963);            /* Test fwdrolled minutes */
  UD2T(1,1,1980,18,0,76,0,2,1,0,S_OK,29221.75087962963);             /* Test fwdrolled seconds */
  UD2T(1,-300,1980,18,1,16,0,2,1,0,S_OK,20059.75087962963);          /* Test backrolled month */
  UD2T(-300,1,1980,18,1,16,0,2,1,0,S_OK,28920.75087962963);          /* Test backrolled days */
  UD2T(3,1,1980,-30,1,16,0,2,1,0,S_OK,29221.75087962963);            /* Test backrolled hours */
  UD2T(1,1,1980,20,-119,16,0,2,1,0,S_OK,29221.75087962963);          /* Test backrolled minutes */
  UD2T(1,1,1980,18,3,-104,0,2,1,0,S_OK,29221.75087962963);           /* Test backrolled seconds */
  UD2T(1,12001,-1020,18,1,16,0,0,0,0,S_OK,29221.75087962963);        /* Test rolled year and month */
  UD2T(1,-23,1982,18,1,16,0,0,0,0,S_OK,29221.75087962963);           /* Test backrolled month */
  UD2T(-59,3,1980,18,1,16,0,0,0,0,S_OK,29221.75087962963);           /* Test backrolled days */
  UD2T(1,1,0,0,0,0,0,0,0,0,S_OK,36526);                              /* Test zero year */
  UD2T(0,0,1980,0,0,0,0,0,0,0,S_OK,29189);                           /* Test zero day and month */
  UD2T(0,1,1980,0,0,0,0,2,1,0,S_OK,29220.0);                         /* Test zero day = LastDayOfMonth */
  UD2T(-1,1,1980,18,1,16,0,0,0,0,S_OK,29219.75087962963);            /* Test day -1 = LastDayOfMonth - 1 */
  UD2T(1,1,-1,18,1,16,0,0,0,0,S_OK,36161.75087962963);               /* Test year -1 = 1999 */
  UD2T(1,-1,1980,18,1,16,0,0,0,0,S_OK,29160.7508796296);             /* Test month -1 = 11 */
  UD2T(1,13,1980,0,0,0,0,2,1,0,S_OK,29587.0);                        /* Rolls fwd to 1/1/1981 */

  /* Test handling of times on dates prior to the epoch */
  UD2T(25,12,1899,6,0,0,0,1,359,0,S_OK,-5.25);
  UD2T(25,12,1899,23,59,59,0,1,359,0,S_OK,-5.9999884259259);
  /* This just demonstrates the non-linear nature of values prior to the epoch */
  UD2T(26,12,1899,0,0,0,0,2,360,0,S_OK,-4.0);
  /* for DATE values 0.0 < x < 1.0, x and -x represent the same datetime */
  /* but when converting to DATE, prefer the positive versions */
  UD2T(30,12,1899,6,0,0,0,6,364,0,S_OK,0.25);

  UD2T(1,1,1980,18,1,16,0,2,1,VAR_TIMEVALUEONLY,S_OK,0.7508796296296296);
  UD2T(1,1,1980,18,1,16,0,2,1,VAR_DATEVALUEONLY,S_OK,29221.0);
  UD2T(25,12,1899,6,0,0,0,1,359,VAR_TIMEVALUEONLY,S_OK,0.25);
  UD2T(25,12,1899,6,0,0,0,1,359,VAR_DATEVALUEONLY,S_OK,-5.0);
  UD2T(1,-1,1980,18,1,16,0,0,0,VAR_TIMEVALUEONLY|VAR_DATEVALUEONLY,S_OK,0.7508796296296296);
}

static void test_st2dt(int line, WORD d, WORD m, WORD y, WORD h, WORD mn,
                       WORD s, WORD ms, INT r, double dt)
{
    SYSTEMTIME st;
    double out;
    INT res;

    st.wYear = y;
    st.wMonth = m;
    st.wDay = d;
    st.wHour = h;
    st.wMinute = mn;
    st.wSecond = s;
    st.wMilliseconds = ms;
    st.wDayOfWeek = 0;
    res = pSystemTimeToVariantTime(&st, &out);
    ok_(__FILE__,line)(r == res && (!r || EQ_DOUBLE(out, dt)),
                       "expected %d, %.16g, got %d, %.16g\n", r, dt, res, out);
}
#define ST2DT(d,m,y,h,mn,s,ms,r,dt) test_st2dt(__LINE__,d,m,y,h,mn,s,ms,r,dt)

static void test_SystemTimeToVariantTime(void)
{
  CHECKPTR(SystemTimeToVariantTime);
  ST2DT(1,1,1980,0,0,0,0,TRUE,29221.0);
  ST2DT(2,1,1980,0,0,0,0,TRUE,29222.0);
  ST2DT(0,1,1980,0,0,0,0,TRUE,29220.0);   /* Rolls back to 31 Dec 1899 */
  ST2DT(1,13,1980,0,0,0,0,FALSE,29587.0); /* Fails on invalid month */
  ST2DT(32,1,1980,0,0,0,0,FALSE,0.0);     /* Fails on invalid day */
  ST2DT(1,1,-1,0,0,0,0,FALSE,0.0);        /* Fails on invalid year */
  ST2DT(1,1,10000,0,0,0,0,FALSE,0.0);     /* Fails on invalid year */
  ST2DT(1,1,9999,0,0,0,0,TRUE,2958101.0); /* 9999 is last valid year */
  ST2DT(31,12,90,0,0,0,0,TRUE,33238.0);   /* 30 <= year < 100 is 1900+year */
  ST2DT(1,1,30,0,0,0,0,TRUE,10959.0);     /* 30 <= year < 100 is 1900+year */
  ST2DT(1,1,29,0,0,0,0,TRUE,47119.0);     /* 0 <= year < 30 is 2000+year */
  ST2DT(1,1,0,0,0,0,0,TRUE,36526.0);      /* 0 <= year < 30 is 2000+year */
}

static void test_dt2st(int line, double dt, INT r, WORD d, WORD m, WORD y,
                       WORD h, WORD mn, WORD s, WORD ms)
{
  SYSTEMTIME st;
  INT res;

  memset(&st, 0, sizeof(st));
  res = pVariantTimeToSystemTime(dt, &st);
  ok_(__FILE__,line)(r == res &&
                     (!r || (st.wYear == y && st.wMonth == m && st.wDay == d &&
                             st.wHour == h && st.wMinute == mn &&
                             st.wSecond == s && st.wMilliseconds == ms)),
                     "%.16g expected %d, %d,%d,%d,%d,%d,%d,%d, got %d, %d,%d,%d,%d,%d,%d,%d\n",
                     dt, r, d, m, y, h, mn, s, ms, res, st.wDay, st.wMonth,
                     st.wYear, st.wHour, st.wMinute, st.wSecond,
                     st.wMilliseconds);
}
#define DT2ST(dt,r,d,m,y,h,mn,s,ms) test_dt2st(__LINE__,dt,r,d,m,y,h,mn,s,ms)

static void test_VariantTimeToSystemTime(void)
{
  CHECKPTR(VariantTimeToSystemTime);
  DT2ST(29221.0,1,1,1,1980,0,0,0,0);
  DT2ST(29222.0,1,2,1,1980,0,0,0,0);
}

#define MKDOSDATE(d,m,y) ((d & 0x1f) | ((m & 0xf) << 5) | (((y-1980) & 0x7f) << 9))
#define MKDOSTIME(h,m,s) (((s>>1) & 0x1f) | ((m & 0x3f) << 5) | ((h & 0x1f) << 11))

static void test_dos2dt(int line, WORD d, WORD m, WORD y, WORD h, WORD mn,
                        WORD s, INT r, double dt)
{
    unsigned short dosDate, dosTime;
    double out;
    INT res;

    out = 0.0;
    dosDate = MKDOSDATE(d, m, y);
    dosTime = MKDOSTIME(h, mn, s);
    res = pDosDateTimeToVariantTime(dosDate, dosTime, &out);
    ok_(__FILE__,line)(r == res && (!r || EQ_DOUBLE(out, dt)),
                       "expected %d, %.16g, got %d, %.16g\n", r, dt, res, out);
}
#define DOS2DT(d,m,y,h,mn,s,r,dt) test_dos2dt(__LINE__,d,m,y,h,mn,s,r,dt)

static void test_DosDateTimeToVariantTime(void)
{
  CHECKPTR(DosDateTimeToVariantTime);

  /* Date */
  DOS2DT(1,1,1980,0,0,0,1,29221.0); /* 1/1/1980 */
  DOS2DT(31,12,2099,0,0,0,1,73050.0); /* 31/12/2099 */
  /* Dates are limited to the dos date max of 31/12/2099 */
  DOS2DT(31,12,2100,0,0,0,0,0.0); /* 31/12/2100 */
  /* Days and months of 0 cause date to roll back 1 day or month */
  DOS2DT(0,1,1980,0,0,0,1,29220.0); /* 0 Day => 31/12/1979 */
  DOS2DT(1,0,1980,0,0,0,1,29190.0); /* 0 Mth =>  1/12/1979 */
  DOS2DT(0,0,1980,0,0,0,1,29189.0); /* 0 D/M => 30/11/1979 */
  /* Days > days in the month cause date to roll forward 1 month */
  DOS2DT(29,2,1981,0,0,0,1,29646.0); /* 29/2/1981 -> 3/1/1980 */
  DOS2DT(30,2,1981,0,0,0,1,29647.0); /* 30/2/1981 -> 4/1/1980 */
  /* Takes leap years into account when rolling forward */
  DOS2DT(29,2,1980,0,0,0,1,29280.0); /* 2/29/1980 */
  /* Months > 12 cause an error */
  DOS2DT(2,13,1980,0,0,0,0,0.0);

  /* Time */
  DOS2DT(1,1,1980,0,0,29,1,29221.00032407407); /* 1/1/1980 12:00:28 AM */
  DOS2DT(1,1,1980,0,0,31,1,29221.00034722222); /* 1/1/1980 12:00:30 AM */
  DOS2DT(1,1,1980,0,59,0,1,29221.04097222222); /* 1/1/1980 12:59:00 AM */
  DOS2DT(1,1,1980,0,60,0,0,0.0);               /* Invalid minutes */
  DOS2DT(1,1,1980,0,0,60,0,0.0);               /* Invalid seconds */
  DOS2DT(1,1,1980,23,0,0,1,29221.95833333333); /* 1/1/1980 11:00:00 PM */
  DOS2DT(1,1,1980,24,0,0,0,0.0);               /* Invalid hours */

  DOS2DT(1,1,1980,0,0,1,1,29221.0);
  DOS2DT(2,1,1980,0,0,0,1,29222.0);
  DOS2DT(2,1,1980,0,0,0,1,29222.0);
  DOS2DT(31,12,1990,0,0,0,1,33238.0);
  DOS2DT(31,12,90,0,0,0,1,40543.0);
  DOS2DT(30,12,1899,0,0,0,1,46751.0);
  DOS2DT(1,1,100,0,0,0,1,43831.0);
  DOS2DT(31,12,9999,0,0,0,1,59901.0);
  DOS2DT(1,1,10000,0,0,0,1,59902.0);
  DOS2DT(1,1,-10000,0,0,0,1,48214.0);

  DOS2DT(30,12,1899,0,0,0,1,46751.0);
  DOS2DT(30,12,1899,0,0,1,1,46751.0);

  DOS2DT(1,1,1980,18,1,16,1,29221.75087962963);
  DOS2DT(1,300,1980,18,1,16,1,29556.75087962963);
  DOS2DT(300,1,1980,18,1,16,1,29232.75087962963);
  DOS2DT(0,1,1980,42,1,16,1,29220.4175462963);
  DOS2DT(1,1,1980,17,61,16,0,0.0);
  DOS2DT(1,1,1980,18,0,76,1,29221.75013888889);
  DOS2DT(1,-300,1980,18,1,16,1,29312.75087962963);
  DOS2DT(-300,1,1980,18,1,16,1,29240.75087962963);
  DOS2DT(3,1,1980,-30,1,16,1,29223.08421296296);
  DOS2DT(1,1,1980,20,-119,16,1,29221.83976851852);
  DOS2DT(1,1,1980,18,3,-104,1,29221.75236111111);
  DOS2DT(1,12001,-1020,18,1,16,1,55519.75087962963);
  DOS2DT(1,-23,1982,18,1,16,1,30195.75087962963);
  DOS2DT(-59,3,1980,18,1,16,1,29285.75087962963);
  DOS2DT(1,1,0,0,0,0,1,54058.0);
  DOS2DT(0,0,1980,0,0,0,1,29189.0);
  DOS2DT(0,1,1980,0,0,0,1,29220.0);
  DOS2DT(-1,1,1980,18,1,16,1,29251.75087962963);
  DOS2DT(1,1,-1,18,1,16,1,53693.75087962963);
  DOS2DT(1,-1,1980,18,1,16,0,0);
}

static void test_dt2dos(int line, double dt, INT r, WORD d, WORD m, WORD y,
                        WORD h, WORD mn, WORD s)
{
    unsigned short dosDate, dosTime, expDosDate, expDosTime;
    INT res;

    dosTime = dosDate = 0;
    expDosDate = MKDOSDATE(d,m,y);
    expDosTime = MKDOSTIME(h,mn,s);
    res = pVariantTimeToDosDateTime(dt, &dosDate, &dosTime);
    ok_(__FILE__,line)(r == res && (!r || (dosTime == expDosTime && dosDate == expDosDate)),
                       "%g: expected %d,%d(%d/%d/%d),%d(%d:%d:%d) got %d,%d(%d/%d/%d),%d(%d:%d:%d)\n",
                       dt, r, expDosDate, expDosDate & 0x1f,
                       (expDosDate >> 5) & 0xf, 1980 + (expDosDate >> 9),
                       expDosTime, expDosTime >> 11, (expDosTime >> 5) & 0x3f,
                       (expDosTime & 0x1f),
                       res, dosDate, dosDate & 0x1f, (dosDate >> 5) & 0xf,
                       1980 + (dosDate >> 9), dosTime, dosTime >> 11,
                       (dosTime >> 5) & 0x3f, (dosTime & 0x1f));
}
#define DT2DOS(dt,r,d,m,y,h,mn,s) test_dt2dos(__LINE__,dt,r,d,m,y,h,mn,s)

static void test_VariantTimeToDosDateTime(void)
{
  CHECKPTR(VariantTimeToDosDateTime);

  /* Date */
  DT2DOS(29221.0,1,1,1,1980,0,0,0);   /* 1/1/1980 */
  DT2DOS(73050.0,1,31,12,2099,0,0,0); /* 31/12/2099 */
  DT2DOS(29220.0,0,0,0,0,0,0,0);      /* 31/12/1979 - out of range */
  DT2DOS(73415.0,0,0,0,0,0,0,0);      /* 31/12/2100 - out of range */

  /* Time */
  DT2DOS(29221.00032407407,1,1,1,1980,0,0,29); /* 1/1/1980 12:00:28 AM */
  DT2DOS(29221.00034722222,1,1,1,1980,0,0,31); /* 1/1/1980 12:00:30 AM */
  DT2DOS(29221.04097222222,1,1,1,1980,0,59,0); /* 1/1/1980 12:59:00 AM */
  DT2DOS(29221.95833333333,1,1,1,1980,23,0,0); /* 1/1/1980 11:00:00 PM */
}

static HRESULT (WINAPI *pVarAbs)(LPVARIANT,LPVARIANT);

#define VARABS(vt,val,rvt,rval)                  \
    V_VT(&v) = VT_##vt; V_##vt(&v) = val;        \
    V_VT(&exp) = VT_##rvt; V_##rvt(&exp) = rval; \
    test_var_call1( __LINE__, pVarAbs, &v, &exp )

static void test_VarAbs(void)
{
    static WCHAR szNum[] = {'-','1','.','1','\0' };
    char buff[8];
    HRESULT hres;
    VARIANT v, vDst, exp;
    size_t i;

    CHECKPTR(VarAbs);

    /* Test all possible V_VT values.
     */
    for (i = 0; i < ARRAY_SIZE(ExtraFlags); i++)
    {
        VARTYPE vt;

        for (vt = 0; vt <= VT_BSTR_BLOB; vt++)
        {
            HRESULT hExpected = DISP_E_BADVARTYPE;

            SKIPTESTS(vt);

            memset(&v, 0, sizeof(v));
            V_VT(&v) = vt | ExtraFlags[i];
            V_VT(&vDst) = VT_EMPTY;

            hres = pVarAbs(&v,&vDst);
            if (ExtraFlags[i] & VT_ARRAY ||
                (!ExtraFlags[i] && (vt == VT_UNKNOWN || vt == VT_BSTR ||
                 vt == VT_DISPATCH || vt == VT_ERROR || vt == VT_RECORD)))
            {
                hExpected = DISP_E_TYPEMISMATCH;
            }
            else if (ExtraFlags[i] || vt >= VT_CLSID || vt == VT_VARIANT)
            {
                hExpected = DISP_E_BADVARTYPE;
            }
            else if (IsValidVariantClearVT(vt, ExtraFlags[i]))
                hExpected = S_OK;

            /* Native always fails on some vartypes that should be valid. don't
             * check that Wine does the same; these are bugs in native.
             */
            if (vt == VT_I8 || vt == VT_UI8 || vt == VT_INT || vt == VT_UINT ||
                vt == VT_I1 || vt == VT_UI2 || vt == VT_UI4)
                continue;
            ok(hres == hExpected, "VarAbs: expected 0x%X, got 0x%X for vt %d | 0x%X\n",
               hExpected, hres, vt, ExtraFlags[i]);
        }
    }

    /* BOOL->I2, BSTR->R8, all others remain the same */
    VARABS(BOOL,VARIANT_TRUE,I2,-VARIANT_TRUE);
    VARABS(BOOL,VARIANT_FALSE,I2,VARIANT_FALSE);
    VARABS(EMPTY,0,I2,0);
    VARABS(EMPTY,1,I2,0);
    VARABS(NULL,0,NULL,0);
    VARABS(NULL,1,NULL,0);
    VARABS(I2,1,I2,1);
    VARABS(I2,-1,I2,1);
    VARABS(I4,1,I4,1);
    VARABS(I4,-1,I4,1);
    VARABS(UI1,1,UI1,1);
    VARABS(R4,1,R4,1);
    VARABS(R4,-1,R4,1);
    VARABS(R8,1,R8,1);
    VARABS(R8,-1,R8,1);
    VARABS(DATE,1,DATE,1);
    VARABS(DATE,-1,DATE,1);
    V_VT(&v) = VT_CY;
    V_CY(&v).int64 = -10000;
    memset(&vDst,0,sizeof(vDst));
    hres = pVarAbs(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_CY && V_CY(&vDst).int64 == 10000,
       "VarAbs(CY): expected 0x0 got 0x%X\n", hres);
    GetLocaleInfoA(LOCALE_USER_DEFAULT, LOCALE_SDECIMAL, buff, ARRAY_SIZE(buff));
    if (buff[1])
    {
        trace("Skipping VarAbs(BSTR) as decimal separator is '%s'\n", buff);
        return;
    } else {
    szNum[2] = buff[0];
    }
    V_VT(&v) = VT_BSTR;
    V_BSTR(&v) = (BSTR)szNum;
    memset(&vDst,0,sizeof(vDst));
    hres = pVarAbs(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_R8 && V_R8(&vDst) == 1.1,
       "VarAbs: expected 0x0,%d,%g, got 0x%X,%d,%g\n", VT_R8, 1.1, hres, V_VT(&vDst), V_R8(&vDst));
}

static HRESULT (WINAPI *pVarNot)(LPVARIANT,LPVARIANT);

#define VARNOT(vt,val,rvt,rval)                  \
    V_VT(&v) = VT_##vt; V_##vt(&v) = val;        \
    V_VT(&exp) = VT_##rvt; V_##rvt(&exp) = rval; \
    test_var_call1( __LINE__, pVarNot, &v, &exp )

static void test_VarNot(void)
{
    static const WCHAR szNum0[] = {'0','\0' };
    static const WCHAR szNum1[] = {'1','\0' };
    static const WCHAR szFalse[] = { '#','F','A','L','S','E','#','\0' };
    static const WCHAR szTrue[] = { '#','T','R','U','E','#','\0' };
    HRESULT hres;
    VARIANT v, exp, vDst;
    DECIMAL *pdec = &V_DECIMAL(&v);
    CY *pcy = &V_CY(&v);
    size_t i;

    CHECKPTR(VarNot);

    /* Test all possible V_VT values */
    for (i = 0; i < ARRAY_SIZE(ExtraFlags); i++)
    {
        VARTYPE vt;

        for (vt = 0; vt <= VT_BSTR_BLOB; vt++)
        {
            HRESULT hExpected = DISP_E_BADVARTYPE;

            SKIPTESTS(vt);

            memset(&v, 0, sizeof(v));
            V_VT(&v) = vt | ExtraFlags[i];
            V_VT(&vDst) = VT_EMPTY;

            switch (V_VT(&v))
            {
            case VT_I1:  case VT_UI1: case VT_I2:  case VT_UI2:
            case VT_INT: case VT_UINT: case VT_I4:  case VT_UI4:
            case VT_R4:  case VT_R8:
            case VT_DECIMAL: case VT_BOOL: case VT_NULL: case VT_EMPTY:
            case VT_DATE: case VT_CY:
                hExpected = S_OK;
                break;
            case VT_I8: case VT_UI8:
                if (has_i8)
                    hExpected = S_OK;
                break;
            case VT_RECORD:
                hExpected = DISP_E_TYPEMISMATCH;
                break;
            case VT_UNKNOWN: case VT_BSTR: case VT_DISPATCH: case VT_ERROR:
                hExpected = DISP_E_TYPEMISMATCH;
                break;
            default:
                if (IsValidVariantClearVT(vt, ExtraFlags[i]) && vt != VT_CLSID)
                   hExpected = DISP_E_TYPEMISMATCH;
                break;
            }

            hres = pVarNot(&v,&vDst);
            ok(hres == hExpected, "VarNot: expected 0x%X, got 0x%X vt %d|0x%X\n",
               hExpected, hres, vt, ExtraFlags[i]);
        }
    }
    /* Test the values returned by all cases that can succeed */
    VARNOT(EMPTY,0,I2,-1);
    VARNOT(EMPTY,1,I2,-1);
    VARNOT(NULL,0,NULL,0);
    VARNOT(NULL,1,NULL,0);
    VARNOT(BOOL,VARIANT_TRUE,BOOL,VARIANT_FALSE);
    VARNOT(BOOL,VARIANT_FALSE,BOOL,VARIANT_TRUE);
    VARNOT(I1,-1,I4,0);
    VARNOT(I1,0,I4,-1);
    VARNOT(I2,-1,I2,0);
    VARNOT(I2,0,I2,-1);
    VARNOT(I2,1,I2,-2);
    VARNOT(I4,1,I4,-2);
    VARNOT(I4,0,I4,-1);
    VARNOT(UI1,1,UI1,254);
    VARNOT(UI1,0,UI1,255);
    VARNOT(UI2,0,I4,-1);
    VARNOT(UI2,1,I4,-2);
    VARNOT(UI4,0,I4,-1);
    VARNOT(UI4,1,I4,-2);
    VARNOT(INT,0,I4,-1);
    VARNOT(INT,1,I4,-2);
    VARNOT(UINT,0,I4,-1);
    VARNOT(UINT,1,I4,-2);
    if (has_i8)
    {
        VARNOT(I8,1,I8,-2);
        VARNOT(I8,0,I8,-1);
        VARNOT(UI8,0,I4,-1);
        VARNOT(UI8,1,I4,-2);
    }
    VARNOT(R4,1,I4,-2);
    VARNOT(R4,0,I4,-1);
    VARNOT(R8,1,I4,-2);
    VARNOT(R8,0,I4,-1);
    VARNOT(DATE,1,I4,-2);
    VARNOT(DATE,0,I4,-1);
    VARNOT(BSTR,(BSTR)szNum0,I4,-1);
    ok(V_VT(&v) == VT_BSTR && V_BSTR(&v) == szNum0, "VarNot(0): changed input\n");
    VARNOT(BSTR,(BSTR)szNum1,I4,-2);
    ok(V_VT(&v) == VT_BSTR && V_BSTR(&v) == szNum1, "VarNot(1): changed input\n");
    VARNOT(BSTR, (BSTR)szTrue, BOOL, VARIANT_FALSE);
    VARNOT(BSTR, (BSTR)szFalse, BOOL, VARIANT_TRUE);

    S(U(*pdec)).sign = DECIMAL_NEG;
    S(U(*pdec)).scale = 0;
    pdec->Hi32 = 0;
    S1(U1(*pdec)).Mid32 = 0;
    S1(U1(*pdec)).Lo32 = 1;
    VARNOT(DECIMAL,*pdec,I4,0);

    pcy->int64 = 10000;
    VARNOT(CY,*pcy,I4,-2);

    pcy->int64 = 0;
    VARNOT(CY,*pcy,I4,-1);

    pcy->int64 = -1;
    VARNOT(CY,*pcy,I4,-1);
}

static HRESULT (WINAPI *pVarSub)(LPVARIANT,LPVARIANT,LPVARIANT);

#define VARSUB(vt1,val1,vt2,val2,rvt,rval)               \
        V_VT(&left) = VT_##vt1; V_##vt1(&left) = val1;   \
        V_VT(&right) = VT_##vt2; V_##vt2(&right) = val2; \
        V_VT(&exp) = VT_##rvt; V_##rvt(&exp) = rval;     \
        test_var_call2( __LINE__, pVarSub, &left, &right, &exp )

static void test_VarSub(void)
{
    VARIANT left, right, exp, result, cy, dec;
    VARTYPE i;
    BSTR lbstr, rbstr;
    HRESULT hres, expectedhres;
    double r;

    CHECKPTR(VarSub);

    lbstr = SysAllocString(sz12);
    rbstr = SysAllocString(sz12);

    VariantInit(&left);
    VariantInit(&right);
    VariantInit(&result);

    /* Test all possible flag/vt combinations & the resulting vt type */
    for (i = 0; i < ARRAY_SIZE(ExtraFlags); i++)
    {

        VARTYPE leftvt, rightvt, resvt;

        for (leftvt = 0; leftvt <= VT_BSTR_BLOB; leftvt++)
        {

            SKIPTESTS(leftvt);

            for (rightvt = 0; rightvt <= VT_BSTR_BLOB; rightvt++)
            {

                SKIPTESTS(rightvt);
                expectedhres = S_OK;

                memset(&left, 0, sizeof(left));
                memset(&right, 0, sizeof(right));
                V_VT(&left) = leftvt | ExtraFlags[i];
                if (leftvt == VT_BSTR)
                    V_BSTR(&left) = lbstr;
                V_VT(&right) = rightvt | ExtraFlags[i];
                if (rightvt == VT_BSTR)
                    V_BSTR(&right) = rbstr;
                V_VT(&result) = VT_EMPTY;

                /* All extra flags produce errors */
                if (ExtraFlags[i] == (VT_VECTOR|VT_BYREF|VT_RESERVED) ||
                    ExtraFlags[i] == (VT_VECTOR|VT_RESERVED) ||
                    ExtraFlags[i] == (VT_VECTOR|VT_BYREF) ||
                    ExtraFlags[i] == (VT_BYREF|VT_RESERVED) ||
                    ExtraFlags[i] == VT_VECTOR ||
                    ExtraFlags[i] == VT_BYREF ||
                    ExtraFlags[i] == VT_RESERVED)
                {
                    expectedhres = DISP_E_BADVARTYPE;
                    resvt = VT_EMPTY;
                }
                else if (ExtraFlags[i] >= VT_ARRAY)
                {
                    expectedhres = DISP_E_TYPEMISMATCH;
                    resvt = VT_EMPTY;
                }
                /* Native VarSub cannot handle: VT_I1, VT_UI2, VT_UI4,
                   VT_INT, VT_UINT and VT_UI8. Tested with WinXP */
                else if (!IsValidVariantClearVT(leftvt, ExtraFlags[i]) ||
                    !IsValidVariantClearVT(rightvt, ExtraFlags[i]) ||
                    leftvt == VT_CLSID || rightvt == VT_CLSID ||
                    leftvt == VT_VARIANT || rightvt == VT_VARIANT ||
                    leftvt == VT_I1 || rightvt == VT_I1 ||
                    leftvt == VT_UI2 || rightvt == VT_UI2 ||
                    leftvt == VT_UI4 || rightvt == VT_UI4 ||
                    leftvt == VT_UI8 || rightvt == VT_UI8 ||
                    leftvt == VT_INT || rightvt == VT_INT ||
                    leftvt == VT_UINT || rightvt == VT_UINT ||
                    leftvt == VT_UNKNOWN || rightvt == VT_UNKNOWN ||
                    leftvt == VT_RECORD || rightvt == VT_RECORD)
                {
                    if (leftvt == VT_RECORD && rightvt == VT_I8)
                    {
                        if (has_i8)
                            expectedhres = DISP_E_TYPEMISMATCH;
                        else
                            expectedhres = DISP_E_BADVARTYPE;
                    }
                    else if (leftvt < VT_UI1 && rightvt == VT_RECORD)
                        expectedhres = DISP_E_TYPEMISMATCH;
                    else if (leftvt >= VT_UI1 && rightvt == VT_RECORD)
                        expectedhres = DISP_E_TYPEMISMATCH;
                    else if (leftvt == VT_RECORD && rightvt <= VT_UI1)
                        expectedhres = DISP_E_TYPEMISMATCH;
                    else if (leftvt == VT_RECORD && rightvt > VT_UI1)
                        expectedhres = DISP_E_BADVARTYPE;
                    else
                        expectedhres = DISP_E_BADVARTYPE;
                    resvt = VT_EMPTY;
                }
                else if ((leftvt == VT_NULL && rightvt == VT_DISPATCH) ||
                    (leftvt == VT_DISPATCH && rightvt == VT_NULL))
                    resvt = VT_NULL;
                else if (leftvt == VT_DISPATCH || rightvt == VT_DISPATCH ||
                    leftvt == VT_ERROR || rightvt == VT_ERROR)
                {
                    resvt = VT_EMPTY;
                    expectedhres = DISP_E_TYPEMISMATCH;
                }
                else if (leftvt == VT_NULL || rightvt == VT_NULL)
                    resvt = VT_NULL;
                else if ((leftvt == VT_EMPTY && rightvt == VT_BSTR) ||
                    (leftvt == VT_DATE && rightvt == VT_DATE) ||
                    (leftvt == VT_BSTR && rightvt == VT_EMPTY) ||
                    (leftvt == VT_BSTR && rightvt == VT_BSTR))
                    resvt = VT_R8;
                else if (leftvt == VT_DECIMAL || rightvt == VT_DECIMAL)
                    resvt = VT_DECIMAL;
                else if (leftvt == VT_DATE || rightvt == VT_DATE)
                    resvt = VT_DATE;
                else if (leftvt == VT_CY || rightvt == VT_CY)
                    resvt = VT_CY;
                else if (leftvt == VT_R8 || rightvt == VT_R8)
                    resvt = VT_R8;
                else if (leftvt == VT_BSTR || rightvt == VT_BSTR) {
                    resvt = VT_R8;
                } else if (leftvt == VT_R4 || rightvt == VT_R4) {
                    if (leftvt == VT_I4 || rightvt == VT_I4 ||
                        leftvt == VT_I8 || rightvt == VT_I8)
                        resvt = VT_R8;
                    else
                        resvt = VT_R4;
                }
                else if (leftvt == VT_I8 || rightvt == VT_I8)
                    resvt = VT_I8;
                else if (leftvt == VT_I4 || rightvt == VT_I4)
                    resvt = VT_I4;
                else if (leftvt == VT_I2 || rightvt == VT_I2 ||
                    leftvt == VT_BOOL || rightvt == VT_BOOL ||
                    (leftvt == VT_EMPTY && rightvt == VT_EMPTY))
                    resvt = VT_I2;
                else if (leftvt == VT_UI1 || rightvt == VT_UI1)
                    resvt = VT_UI1;
                else
                {
                    resvt = VT_EMPTY;
                    expectedhres = DISP_E_TYPEMISMATCH;
                }

                hres = pVarSub(&left, &right, &result);

                ok(hres == expectedhres && V_VT(&result) == resvt,
                    "VarSub: %d|0x%X, %d|0x%X: Expected failure 0x%X, "
                    "got 0x%X, expected vt %d got vt %d\n",
                    leftvt, ExtraFlags[i], rightvt, ExtraFlags[i],
                    expectedhres, hres, resvt, V_VT(&result));
            }
        }
    }

    /* Test returned values */
    VARSUB(I4,4,I4,2,I4,2);
    VARSUB(I2,4,I2,2,I2,2);
    VARSUB(I2,-13,I4,5,I4,-18);
    VARSUB(I4,-13,I4,5,I4,-18);
    VARSUB(I2,7,R4,0.5f,R4,6.5f);
    VARSUB(R4,0.5f,I4,5,R8,-4.5);
    VARSUB(R8,7.1,BOOL,0,R8,7.1);
    VARSUB(BSTR,lbstr,I2,4,R8,8);
    VARSUB(BSTR,lbstr,BOOL,1,R8,11);
    VARSUB(BSTR,lbstr,R4,0.1f,R8,11.9);
    VARSUB(R4,0.2f,BSTR,rbstr,R8,-11.8);
    VARSUB(DATE,2.25,I4,7,DATE,-4.75);
    VARSUB(DATE,1.25,R4,-1.7f,DATE,2.95);

    VARSUB(UI1, UI1_MAX, UI1, UI1_MAX, UI1, 0);
    VARSUB(I2, I2_MAX, I2, I2_MAX, I2, 0);
    VARSUB(I2, I2_MIN, I2, I2_MIN, I2, 0);
    VARSUB(I4, I4_MAX, I4, I4_MAX, I4, 0);
    VARSUB(I4, I4_MIN, I4, I4_MIN, I4, 0);
    VARSUB(R4, R4_MAX, R4, R4_MAX, R4, 0.0f);
    VARSUB(R4, R4_MAX, R4, R4_MIN, R4, R4_MAX - R4_MIN);
    VARSUB(R4, R4_MIN, R4, R4_MIN, R4, 0.0f);
    VARSUB(R8, R8_MAX, R8, R8_MIN, R8, R8_MAX - R8_MIN);
    VARSUB(R8, R8_MIN, R8, R8_MIN, R8, 0.0);

    /* Manually test BSTR + BSTR */
    V_VT(&left) = VT_BSTR;
    V_BSTR(&left) = lbstr;
    V_VT(&right) = VT_BSTR;
    V_BSTR(&right) = rbstr;
    hres = pVarSub(&left, &right, &result);
    ok(hres == S_OK && V_VT(&result) == VT_R8,
        "VarSub: expected coerced type VT_R8, got %s!\n", vtstr(V_VT(&result)));
    ok(hres == S_OK && EQ_DOUBLE(V_R8(&result), 0.0),
        "VarSub: BSTR + BSTR, expected %f got %f\n", 0.0, V_R8(&result));

    /* Manually test some VT_CY and VT_DECIMAL variants */
    V_VT(&cy) = VT_CY;
    hres = VarCyFromI4(4711, &V_CY(&cy));
    ok(hres == S_OK, "VarCyFromI4 failed!\n");
    V_VT(&dec) = VT_DECIMAL;
    hres = VarDecFromR8(-4.2, &V_DECIMAL(&dec));
    ok(hres == S_OK, "VarDecFromR4 failed!\n");
    memset(&left, 0, sizeof(left));
    memset(&right, 0, sizeof(right));
    V_VT(&left) = VT_I4;
    V_I4(&left) = -11;
    V_VT(&right) = VT_UI1;
    V_UI1(&right) = 9;

    hres = pVarSub(&cy, &right, &result);
    ok(hres == S_OK && V_VT(&result) == VT_CY,
        "VarSub: expected coerced type VT_CY, got %s!\n", vtstr(V_VT(&result)));
    hres = VarR8FromCy(V_CY(&result), &r);
    ok(hres == S_OK && EQ_DOUBLE(r, 4702.0), "VarSub: CY value %f, expected %f\n", r, 4720.0);

    hres = pVarSub(&left, &dec, &result);
    ok(hres == S_OK && V_VT(&result) == VT_DECIMAL,
        "VarSub: expected coerced type VT_DECIMAL, got %s!\n", vtstr(V_VT(&result)));
    hres = VarR8FromDec(&V_DECIMAL(&result), &r);
    ok(hres == S_OK && EQ_DOUBLE(r, -6.8), "VarSub: DECIMAL value %f, expected %f\n", r, -6.8);

    SysFreeString(lbstr);
    SysFreeString(rbstr);
}

static HRESULT (WINAPI *pVarMod)(LPVARIANT,LPVARIANT,LPVARIANT);

static void test_Mod( int line, VARIANT *left, VARIANT *right, VARIANT *expected, HRESULT expres )
{
    VARIANT result;
    HRESULT hres;

    memset( &result, 0, sizeof(result) );
    hres = pVarMod( left, right, &result );
    ok_(__FILE__,line)( hres == expres, "wrong result %x/%x\n", hres, expres );
    if (hres == S_OK)
        ok_(__FILE__,line)( is_expected_variant( &result, expected ),
                            "got %s expected %s\n", variantstr(&result), variantstr(expected) );
}

#define VARMOD(vt1,vt2,val1,val2,rvt,rval)               \
        V_VT(&left) = VT_##vt1; V_##vt1(&left) = val1;   \
        V_VT(&right) = VT_##vt2; V_##vt2(&right) = val2; \
        V_VT(&exp) = VT_##rvt; V_##rvt(&exp) = rval;     \
        test_var_call2( __LINE__, pVarMod, &left, &right, &exp )

#define VARMOD2(vt1,vt2,val1,val2,rvt,rval,hexpected)         \
        V_VT(&left) = VT_##vt1; V_I4(&left) = val1;           \
        V_VT(&right) = VT_##vt2; V_I4(&right) = val2;         \
        V_VT(&exp) = VT_##rvt; V_I4(&exp) = rval;             \
        test_Mod( __LINE__, &left, &right, &exp, hexpected )

static void test_VarMod(void)
{
  VARIANT v1, v2, vDst, left, right, exp;
  HRESULT hres;
  HRESULT hexpected = 0;
  static const WCHAR szNum0[] = {'1','2','5','\0'};
  static const WCHAR szNum1[] = {'1','0','\0'};
  int l, r;
  BOOL lFound, rFound;
  BOOL lValid;
  BSTR strNum0, strNum1;

  CHECKPTR(VarMod);

  VARMOD(I1,BOOL,100,10,I4,0);
  VARMOD(I1,I1,100,10,I4,0);
  VARMOD(I1,UI1,100,10,I4,0);
  VARMOD(I1,I2,100,10,I4,0);
  VARMOD(I1,UI2,100,10,I4,0);
  VARMOD(I1,I4,100,10,I4,0);
  VARMOD(I1,UI4,100,10,I4,0);
  VARMOD(I1,R4,100,10,I4,0);
  VARMOD(I1,R8,100,10,I4,0);

  VARMOD(UI1,BOOL,100,10,I2,0);
  VARMOD(UI1,I1,100,10,I4,0);
  VARMOD(UI1,UI1,100,10,UI1,0);
  VARMOD(UI1,I2,100,10,I2,0);
  VARMOD(UI1,UI2,100,10,I4,0);
  VARMOD(UI1,I4,100,10,I4,0);
  VARMOD(UI1,UI4,100,10,I4,0);
  VARMOD(UI1,R4,100,10,I4,0);
  VARMOD(UI1,R8,100,10,I4,0);

  VARMOD(I2,BOOL,100,10,I2,0);
  VARMOD(I2,I1,100,10,I4,0);
  VARMOD(I2,UI1,100,10,I2,0);
  VARMOD(I2,I2,100,10,I2,0);
  VARMOD(I2,UI2,100,10,I4,0);
  VARMOD(I2,I4,100,10,I4,0);
  VARMOD(I2,UI4,100,10,I4,0);
  VARMOD(I2,R4,100,10,I4,0);
  VARMOD(I2,R8,100,10,I4,0);

  VARMOD(I4,BOOL,100,10,I4,0);
  VARMOD(I4,I1,100,10,I4,0);
  VARMOD(I4,UI1,100,10,I4,0);
  VARMOD(I4,I2,100,10,I4,0);
  VARMOD(I4,UI2,100,10,I4,0);
  VARMOD(I4,I4,100,10,I4,0);
  VARMOD(I4,UI4,100,10,I4,0);
  VARMOD(I4,R4,100,10,I4,0);
  VARMOD(I4,R8,100,10,I4,0);
  VARMOD(UI4,BOOL,100,10,I4,0);
  VARMOD(UI4,I1,100,10,I4,0);
  VARMOD(UI4,UI1,100,10,I4,0);
  VARMOD(UI4,I2,100,10,I4,0);
  VARMOD(UI4,UI2,100,10,I4,0);
  VARMOD(UI4,I4,100,10,I4,0);
  VARMOD(UI4,UI4,100,10,I4,0);
  VARMOD(UI4,R4,100,10,I4,0);
  VARMOD(UI4,R8,100,10,I4,0);
  VARMOD(R4,BOOL,100,10,I4,0);
  VARMOD(R4,I1,100,10,I4,0);
  VARMOD(R4,UI1,100,10,I4,0);
  VARMOD(R4,I2,100,10,I4,0);
  VARMOD(R4,UI2,100,10,I4,0);
  VARMOD(R4,I4,100,10,I4,0);
  VARMOD(R4,UI4,100,10,I4,0);
  VARMOD(R4,R4,100,10,I4,0);
  VARMOD(R4,R8,100,10,I4,0);
  VARMOD(R8,BOOL,100,10,I4,0);
  VARMOD(R8,I1,100,10,I4,0);
  VARMOD(R8,UI1,100,10,I4,0);
  VARMOD(R8,I2,100,10,I4,0);
  VARMOD(R8,UI2,100,10,I4,0);
  VARMOD(R8,I4,100,10,I4,0);
  VARMOD(R8,UI4,100,10,I4,0);
  VARMOD(R8,R4,100,10,I4,0);
  VARMOD(R8,R8,100,10,I4,0);

  VARMOD(INT,INT,100,10,I4,0);
  VARMOD(INT,UINT,100,10,I4,0);

  VARMOD(BOOL,BOOL,100,10,I2,0);
  VARMOD(BOOL,I1,100,10,I4,0);
  VARMOD(BOOL,UI1,100,10,I2,0);
  VARMOD(BOOL,I2,100,10,I2,0);
  VARMOD(BOOL,UI2,100,10,I4,0);
  VARMOD(BOOL,I4,100,10,I4,0);
  VARMOD(BOOL,UI4,100,10,I4,0);
  VARMOD(BOOL,R4,100,10,I4,0);
  VARMOD(BOOL,R8,100,10,I4,0);
  VARMOD(BOOL,DATE,100,10,I4,0);

  VARMOD(DATE,BOOL,100,10,I4,0);
  VARMOD(DATE,I1,100,10,I4,0);
  VARMOD(DATE,UI1,100,10,I4,0);
  VARMOD(DATE,I2,100,10,I4,0);
  VARMOD(DATE,UI2,100,10,I4,0);
  VARMOD(DATE,I4,100,10,I4,0);
  VARMOD(DATE,UI4,100,10,I4,0);
  VARMOD(DATE,R4,100,10,I4,0);
  VARMOD(DATE,R8,100,10,I4,0);
  VARMOD(DATE,DATE,100,10,I4,0);

  strNum0 = SysAllocString(szNum0);
  strNum1 = SysAllocString(szNum1);
  VARMOD(BSTR,BSTR,strNum0,strNum1,I4,5);
  VARMOD(BSTR,I1,strNum0,10,I4,5);
  VARMOD(BSTR,I2,strNum0,10,I4,5);
  VARMOD(BSTR,I4,strNum0,10,I4,5);
  VARMOD(BSTR,R4,strNum0,10,I4,5);
  VARMOD(BSTR,R8,strNum0,10,I4,5);
  VARMOD(I4,BSTR,125,strNum1,I4,5);

  if (has_i8)
  {
    VARMOD(BOOL,I8,100,10,I8,0);
    VARMOD(I1,I8,100,10,I8,0);
    VARMOD(UI1,I8,100,10,I8,0);
    VARMOD(I2,I8,100,10,I8,0);
    VARMOD(I4,I8,100,10,I8,0);
    VARMOD(UI4,I8,100,10,I8,0);
    VARMOD(R4,I8,100,10,I8,0);
    VARMOD(R8,I8,100,10,I8,0);
    VARMOD(DATE,I8,100,10,I8,0);

    VARMOD(I8,BOOL,100,10,I8,0);
    VARMOD(I8,I1,100,10,I8,0);
    VARMOD(I8,UI1,100,10,I8,0);
    VARMOD(I8,I2,100,10,I8,0);
    VARMOD(I8,UI2,100,10,I8,0);
    VARMOD(I8,I4,100,10,I8,0);
    VARMOD(I8,UI4,100,10,I8,0);
    VARMOD(I8,R4,100,10,I8,0);
    VARMOD(I8,R8,100,10,I8,0);
    VARMOD(I8,I8,100,10,I8,0);

    VARMOD(BSTR,I8,strNum0,10,I8,5);
  }

  /* test all combinations of types */
  for(l = 0; l < VT_BSTR_BLOB; l++)
  {
    SKIPTESTS(l);

    for(r = 0; r < VT_BSTR_BLOB; r++)
    {
      SKIPTESTS(r);
        
      if(l == VT_BSTR) continue;
      if(l == VT_DISPATCH) continue;
      if(r == VT_BSTR) continue;
      if(r == VT_DISPATCH) continue;

      lFound = TRUE;
      lValid = TRUE;
      switch(l)
    {
    case VT_EMPTY:
    case VT_NULL:
    case VT_I1:
    case VT_UI1:
    case VT_I2:
    case VT_UI2:
    case VT_I4:
    case VT_I8:
    case VT_UI4:
    case VT_UI8:
    case VT_INT:
    case VT_UINT:
    case VT_R4:
    case VT_R8:
    case VT_BOOL:
    case VT_DATE:
    case VT_CY:
    case VT_DECIMAL:
      hexpected = S_OK;
      break;
    case VT_ERROR:
    case VT_VARIANT:
    case VT_UNKNOWN:
    case VT_RECORD:
      lValid = FALSE;
      break;
    default:
      lFound = FALSE;
      hexpected = DISP_E_BADVARTYPE;
      break;
    }

      rFound = TRUE;
      switch(r)
    {
    case VT_EMPTY:
    case VT_NULL:
    case VT_I1:
    case VT_UI1:
    case VT_I2:
    case VT_UI2:
    case VT_I4:
    case VT_I8:
    case VT_UI4:
    case VT_UI8:
    case VT_INT:
    case VT_UINT:
    case VT_R4:
    case VT_R8:
    case VT_BOOL:
    case VT_DATE:
    case VT_DECIMAL:
    case VT_CY:
      hexpected = S_OK;
      break;
    case VT_ERROR:
    case VT_VARIANT:
    case VT_UNKNOWN:
    case VT_RECORD:
      break;
    default:
      rFound = FALSE;
      break;
    }

      if(((l == VT_I8) && (r == VT_INT)) || ((l == VT_INT) && (r == VT_I8)))
      {
    hexpected = DISP_E_TYPEMISMATCH;
      } else if((l == VT_EMPTY) && (r == VT_NULL))
      {
    hexpected = S_OK;
      } else if((l == VT_NULL) && (r == VT_EMPTY))
      {
    hexpected = S_OK;
      } else if((l == VT_EMPTY) && (r == VT_CY))
      {
    hexpected = S_OK;
      } else if((l == VT_EMPTY) && (r == VT_RECORD))
      {
    hexpected = DISP_E_TYPEMISMATCH;
      } else if((r == VT_EMPTY) && lFound && lValid)
      {
    hexpected = DISP_E_DIVBYZERO;
      } else if((l == VT_ERROR) || ((r == VT_ERROR) && lFound && lValid))
      {
    hexpected = DISP_E_TYPEMISMATCH;
      } else if((l == VT_NULL) && (r == VT_NULL))
      {
    hexpected = S_OK;
      } else if((l == VT_VARIANT) || ((r == VT_VARIANT) && lFound && lValid))
      {
    hexpected = DISP_E_TYPEMISMATCH;
      } else if((l == VT_NULL) && (r == VT_RECORD))
      {
    hexpected = DISP_E_TYPEMISMATCH;
      } else if((l == VT_I8) && (r == VT_DECIMAL))
      {
    hexpected = S_OK;
      } else if((l == VT_DECIMAL) && (r == VT_I8))
      {
    hexpected = S_OK;
      } else if((l == VT_UNKNOWN) || ((r == VT_UNKNOWN) && lFound && lValid))
      {
    hexpected = DISP_E_TYPEMISMATCH;
      } else if((l == VT_NULL) && rFound)
      {
    hexpected = S_OK;
      } else if(l == VT_RECORD)
      {
    hexpected = DISP_E_TYPEMISMATCH;
      } else if((r == VT_RECORD) && lValid && lFound)
      {
    hexpected = DISP_E_TYPEMISMATCH;
      } else if((l == VT_EMPTY) && (r == VT_EMPTY))
      {
    hexpected = DISP_E_DIVBYZERO;
      } else if((l == VT_CY) && !rFound)
      {
    hexpected = DISP_E_BADVARTYPE;
      } else if(lFound && !rFound)
      {
    hexpected = DISP_E_BADVARTYPE;
      } else if(!lFound && rFound)
      {
    hexpected = DISP_E_BADVARTYPE;
      } else if((r == VT_NULL) && lFound && lValid)
      {
    hexpected = S_OK;
      } else if((l == VT_NULL) || (r == VT_NULL))
      {
    hexpected = DISP_E_BADVARTYPE;
      } else if((l == VT_VARIANT) || (r == VT_VARIANT))
      {
    hexpected = DISP_E_BADVARTYPE;
      } else if(!lFound && !rFound)
      {
    hexpected = DISP_E_BADVARTYPE;
      }

      V_VT(&v1) = l;
      V_VT(&v2) = r;

      if(l == VT_CY)
    V_CY(&v1).int64 = 1000000;
      else if(l == VT_R4)
    V_R4(&v1) = 100;
      else if(l == VT_R8)
    V_R8(&v1) = 100;
      else if(l == VT_UI8)
    V_UI8(&v1) = 100;
      else if(l == VT_I8)
    V_I8(&v1) = 100;
      else if(l == VT_DATE)
    V_DATE(&v1) = 1000;
      else if (l == VT_DECIMAL)
      {
    V_DECIMAL(&v1).Hi32 = 0;
    U1(V_DECIMAL(&v1)).Lo64 = 100;
    U(V_DECIMAL(&v1)).signscale = 0;
      }
      else
    V_I4(&v1) = 10000;

      if(r == VT_CY)
    V_CY(&v2).int64 = 10000;
      else if(r == VT_R4)
    V_R4(&v2) = 100;
      else if(r == VT_R8)
    V_R8(&v2) = 100;
      else if(r == VT_UI8)
    V_UI8(&v2) = 100;
      else if(r == VT_I8)
    V_I8(&v2) = 100;
      else if(r == VT_DATE)
    V_DATE(&v2) = 1000;
      else if (r == VT_DECIMAL)
      {
    V_DECIMAL(&v2).Hi32 = 0;
    U1(V_DECIMAL(&v2)).Lo64 = 100;
    U(V_DECIMAL(&v2)).signscale = 0;
      }
      else
    V_I4(&v2) = 10000;

      if ((l != VT_I8 && l != VT_UI8 && r != VT_I8 && r != VT_UI8) || has_i8)
      {
        hres = pVarMod(&v1,&v2,&vDst);
        ok(hres == hexpected,
           "VarMod: expected 0x%x, got 0x%X for l type of %d, r type of %d,\n", hexpected, hres, l, r);
      }
    }
  }


  /****************************/
  /* test some bad parameters */
  VARMOD(I4,I4,-1,-1,I4,0);

  /* test modulus with zero */
  VARMOD2(I4,I4,100,0,EMPTY,0,DISP_E_DIVBYZERO);

  VARMOD(I4,I4,0,10,I4,0); /* test 0 mod 10 */

  /* right parameter is type empty */
  VARMOD2(I4,EMPTY,100,10,EMPTY,0,DISP_E_DIVBYZERO);

  /* left parameter is type empty */
  VARMOD2(EMPTY,I4,100,10,I4,0,S_OK);

  /* mod with a null left value */
  VARMOD2(NULL,I4,125,10,NULL,0,S_OK);

  /* mod with a null right value */
  VARMOD2(I4,NULL,100,10,NULL,0,S_OK);

  /* void left value */
  VARMOD2(VOID,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);

  /* void right value */
  VARMOD2(I4,VOID,100,10,EMPTY,0,DISP_E_BADVARTYPE);

  /* null left value, void right value */
  VARMOD2(NULL,VOID,100,10,EMPTY, 0, DISP_E_BADVARTYPE);

  /* void left value, null right value */
  VARMOD2(VOID,NULL,100,10,EMPTY,0,DISP_E_BADVARTYPE);

  /* some currencies */
  V_VT(&v1) = VT_CY;
  V_VT(&v2) = VT_CY;
  V_CY(&v1).int64 = 100000;
  V_CY(&v2).int64 = 100000;
  hres = pVarMod(&v1,&v2,&vDst);
  ok(hres == S_OK && V_VT(&vDst) == VT_I4 && V_I4(&vDst) == 0,
     "VarMod: expected 0x%x,%d,%d, got 0x%X,%d,%d\n", S_OK, VT_I4, 0, hres, V_VT(&vDst), V_I4(&vDst));

  V_VT(&v1) = VT_I4;
  V_VT(&v2) = VT_CY;
  V_I4(&v1) = 100;
  V_CY(&v2).int64 = 100000;
  hres = pVarMod(&v1,&v2,&vDst);
  ok(hres == S_OK && V_VT(&vDst) == VT_I4 && V_I4(&vDst) == 0,
     "VarMod: expected 0x%x,%d,%d, got 0x%X,%d,%d\n", S_OK, VT_I4, 0, hres, V_VT(&vDst), V_I4(&vDst));

  /* some decimals */
  V_VT(&v1) = VT_DECIMAL;
  V_VT(&v2) = VT_DECIMAL;
  VarDecFromI4(100, &V_DECIMAL(&v1));
  VarDecFromI4(10, &V_DECIMAL(&v2));
  hres = pVarMod(&v1,&v2,&vDst);
  ok(hres == S_OK && V_VT(&vDst) == VT_I4 && V_I4(&vDst) == 0,
     "VarMod: expected 0x%x,%d,%d, got 0x%X,%d,%d\n", S_OK, VT_I4, 0, hres, V_VT(&vDst), V_I4(&vDst));

  V_VT(&v1) = VT_I4;
  V_VT(&v2) = VT_DECIMAL;
  V_I4(&v1) = 100;
  VarDecFromI4(10, &V_DECIMAL(&v2));
  hres = pVarMod(&v1,&v2,&vDst);
  ok(hres == S_OK && V_VT(&vDst) == VT_I4 && V_I4(&vDst) == 0,
     "VarMod: expected 0x%x,%d,%d, got 0x%X,%d,%d\n", S_OK, VT_I4, 0, hres, V_VT(&vDst), V_I4(&vDst));

  VARMOD2(UINT,I4,100,10,I4,0,S_OK);

  /* test that an error results in the type of the result changing but not its value */
  V_VT(&v1) = VT_UNKNOWN;
  V_VT(&v2) = VT_EMPTY;
  V_I4(&v1) = 100;
  V_CY(&v2).int64 = 100000;
  V_VT(&vDst) = VT_I4;
  V_I4(&vDst) = 1231;
  hres = pVarMod(&v1,&v2,&vDst);
  ok(hres == DISP_E_TYPEMISMATCH && V_VT(&vDst) == VT_EMPTY && V_I4(&vDst) == 1231,
     "VarMod: expected 0x%x,%d,%d, got 0x%X,%d,%d\n", DISP_E_TYPEMISMATCH, VT_EMPTY, 1231, hres, V_VT(&vDst), V_I4(&vDst));


  /* test some invalid types */
  /*TODO: not testing VT_DISPATCH */
  if (has_i8)
  {
    VARMOD2(I8,INT,100,10,EMPTY,0,DISP_E_TYPEMISMATCH);
  }
  VARMOD2(ERROR,I4,100,10,EMPTY,0,DISP_E_TYPEMISMATCH);
  VARMOD2(VARIANT,I4,100,10,EMPTY,0,DISP_E_TYPEMISMATCH);
  VARMOD2(UNKNOWN,I4,100,10,EMPTY,0,DISP_E_TYPEMISMATCH);
  VARMOD2(VOID,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(HRESULT,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(PTR,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(SAFEARRAY,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(CARRAY,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(USERDEFINED,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(LPSTR,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(LPWSTR,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(RECORD,I4,100,10,EMPTY,0,DISP_E_TYPEMISMATCH);
  VARMOD2(FILETIME,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(BLOB,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(STREAM,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(STORAGE,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(STREAMED_OBJECT,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(STORED_OBJECT,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(BLOB_OBJECT,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(CF,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(CLSID,CLSID,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(VECTOR,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(ARRAY,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);
  VARMOD2(BYREF,I4,100,10,EMPTY,0,DISP_E_BADVARTYPE);

  /* test some more invalid types */
  V_VT(&v1) = 456;
  V_VT(&v2) = 234;
  V_I4(&v1) = 100;
  V_I4(&v2)=  10;
  hres = pVarMod(&v1,&v2,&vDst);
  ok(hres == DISP_E_BADVARTYPE && V_VT(&vDst) == VT_EMPTY,
     "VarMod: expected 0x%x,%d, got 0x%X,%d\n", DISP_E_BADVARTYPE, VT_EMPTY, hres, V_VT(&vDst));

  SysFreeString(strNum0);
  SysFreeString(strNum1);
}

static HRESULT (WINAPI *pVarFix)(LPVARIANT,LPVARIANT);

#define VARFIX(vt,val,rvt,rval)                  \
    V_VT(&v) = VT_##vt; V_##vt(&v) = val;        \
    V_VT(&exp) = VT_##rvt; V_##rvt(&exp) = rval; \
    test_var_call1( __LINE__, pVarFix, &v, &exp )

static void test_VarFix(void)
{
    static const WCHAR szNumMinus1[] = {'-','1','\0' };
    HRESULT hres;
    VARIANT v, exp, vDst;
    DECIMAL *pdec = &V_DECIMAL(&v);
    CY *pcy = &V_CY(&v);
    size_t i;

    CHECKPTR(VarFix);

    /* Test all possible V_VT values */
    for (i = 0; i < ARRAY_SIZE(ExtraFlags); i++)
    {
        VARTYPE vt;

        for (vt = 0; vt <= VT_BSTR_BLOB; vt++)
        {
            BOOL bFail = TRUE;

            SKIPTESTS(vt);

            memset(&v, 0, sizeof(v));
            V_VT(&v) = vt | ExtraFlags[i];
            V_VT(&vDst) = VT_EMPTY;

            switch (V_VT(&v))
            {
              case VT_UI1: case VT_I2: case VT_I4: case VT_R4:  case VT_R8:
              case VT_DECIMAL: case VT_BOOL: case VT_NULL: case VT_EMPTY:
              case VT_DATE: case VT_CY:
                bFail = FALSE;
                break;
              case VT_I8:
                if (has_i8)
                  bFail = FALSE;
                break;
            }

            hres = pVarFix(&v,&vDst);
            if (bFail)
              ok(hres == DISP_E_TYPEMISMATCH || hres == DISP_E_BADVARTYPE,
                 "VarFix: expected failure, got 0x%X vt %d|0x%X\n",
                 hres, vt, ExtraFlags[i]);
            else
                 ok(hres == S_OK, "VarFix: expected S_OK, got 0x%X vt %d|0x%X\n",
                    hres, vt, ExtraFlags[i]);
        }
    }

    VARFIX(BOOL,VARIANT_TRUE,I2,VARIANT_TRUE);
    VARFIX(BOOL,VARIANT_FALSE,I2,0);
    VARFIX(BOOL,1,I2,1);
    VARFIX(UI1,1,UI1,1);
    VARFIX(I2,-1,I2,-1);
    VARFIX(I4,-1,I4,-1);
    if (has_i8)
    {
        VARFIX(I8,-1,I8,-1);
    }
    VARFIX(R4,1.4f,R4,1);
    VARFIX(R4,1.5f,R4,1);
    VARFIX(R4,1.6f,R4,1);
    VARFIX(R4,-1.4f,R4,-1);
    VARFIX(R4,-1.5f,R4,-1);
    VARFIX(R4,-1.6f,R4,-1);
    /* DATE & R8 round as for R4 */
    VARFIX(DATE,-1,DATE,-1);
    VARFIX(R8,-1,R8,-1);
    VARFIX(BSTR,(BSTR)szNumMinus1,R8,-1);

    V_VT(&v) = VT_EMPTY;
    hres = pVarFix(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_I2 && V_I2(&vDst) == 0,
       "VarFix: expected 0x0,%d,0 got 0x%X,%d,%d\n", VT_EMPTY,
       hres, V_VT(&vDst), V_I2(&vDst));

    V_VT(&v) = VT_NULL;
    hres = pVarFix(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_NULL,
       "VarFix: expected 0x0,%d got 0x%X,%d\n", VT_NULL, hres, V_VT(&vDst));

    V_VT(&v) = VT_DECIMAL;
    S(U(*pdec)).sign = DECIMAL_NEG;
    S(U(*pdec)).scale = 0;
    pdec->Hi32 = 0;
    S1(U1(*pdec)).Mid32 = 0;
    S1(U1(*pdec)).Lo32 = 1;
    hres = pVarFix(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_DECIMAL && !memcmp(&V_DECIMAL(&v), &V_DECIMAL(&vDst), sizeof(DECIMAL)),
       "VarFix: expected 0x0,%d,identical, got 0x%X,%d\n", VT_DECIMAL,
       hres, V_VT(&vDst));

    /* FIXME: Test some fractional decimals when VarDecFix is implemented */

    V_VT(&v) = VT_CY;
    pcy->int64 = -10000;
    hres = pVarFix(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_CY && V_CY(&vDst).int64 == -10000,
       "VarFix: VT_CY wrong, hres=0x%X\n", hres);

    V_VT(&v) = VT_CY;
    pcy->int64 = -16000;
    hres = pVarFix(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_CY && V_CY(&vDst).int64 == -10000,
       "VarFix: VT_CY wrong, hres=0x%X\n", hres);
}

static HRESULT (WINAPI *pVarInt)(LPVARIANT,LPVARIANT);

#define VARINT(vt,val,rvt,rval)                  \
    V_VT(&v) = VT_##vt; V_##vt(&v) = val;        \
    V_VT(&exp) = VT_##rvt; V_##rvt(&exp) = rval; \
    test_var_call1( __LINE__, pVarInt, &v, &exp )

static void test_VarInt(void)
{
    static const WCHAR szNumMinus1[] = {'-','1','\0' };
    HRESULT hres;
    VARIANT v, exp, vDst;
    DECIMAL *pdec = &V_DECIMAL(&v);
    CY *pcy = &V_CY(&v);
    size_t i;

    CHECKPTR(VarInt);

    /* Test all possible V_VT values */
    for (i = 0; i < ARRAY_SIZE(ExtraFlags); i++)
    {
        VARTYPE vt;

        for (vt = 0; vt <= VT_BSTR_BLOB; vt++)
        {
            BOOL bFail = TRUE;

            SKIPTESTS(vt);

            memset(&v, 0, sizeof(v));
            V_VT(&v) = vt | ExtraFlags[i];
            V_VT(&vDst) = VT_EMPTY;

            switch (V_VT(&v))
            {
              case VT_UI1: case VT_I2: case VT_I4: case VT_R4:  case VT_R8:
              case VT_DECIMAL: case VT_BOOL: case VT_NULL: case VT_EMPTY:
              case VT_DATE: case VT_CY:
                bFail = FALSE;
                break;
              case VT_I8:
                if (has_i8)
                  bFail = FALSE;
                break;
            }

            hres = pVarInt(&v,&vDst);
            if (bFail)
              ok(hres == DISP_E_TYPEMISMATCH || hres == DISP_E_BADVARTYPE,
                 "VarInt: expected failure, got 0x%X vt %d|0x%X\n",
                 hres, vt, ExtraFlags[i]);
            else
                 ok(hres == S_OK, "VarInt: expected S_OK, got 0x%X vt %d|0x%X\n",
                    hres, vt, ExtraFlags[i]);
        }
    }

    VARINT(BOOL,VARIANT_TRUE,I2,VARIANT_TRUE);
    VARINT(BOOL,VARIANT_FALSE,I2,0);
    VARINT(BOOL,1,I2,1);
    VARINT(UI1,1,UI1,1);
    VARINT(I2,-1,I2,-1);
    VARINT(I4,-1,I4,-1);
    if (has_i8)
    {
        VARINT(I8,-1,I8,-1);
    }
    VARINT(R4,1.4f,R4,1);
    VARINT(R4,1.5f,R4,1);
    VARINT(R4,1.6f,R4,1);
    VARINT(R4,-1.4f,R4,-2); /* Note these 3 are different from VarFix */
    VARINT(R4,-1.5f,R4,-2);
    VARINT(R4,-1.6f,R4,-2);
    /* DATE & R8 round as for R4 */
    VARINT(DATE,-1,DATE,-1);
    VARINT(R8,-1,R8,-1);
    VARINT(BSTR,(BSTR)szNumMinus1,R8,-1);

    V_VT(&v) = VT_EMPTY;
    hres = pVarInt(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_I2 && V_I2(&vDst) == 0,
       "VarInt: expected 0x0,%d,0 got 0x%X,%d,%d\n", VT_EMPTY,
       hres, V_VT(&vDst), V_I2(&vDst));

    V_VT(&v) = VT_NULL;
    hres = pVarInt(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_NULL,
       "VarInt: expected 0x0,%d got 0x%X,%d\n", VT_NULL, hres, V_VT(&vDst));

    V_VT(&v) = VT_DECIMAL;
    S(U(*pdec)).sign = DECIMAL_NEG;
    S(U(*pdec)).scale = 0;
    pdec->Hi32 = 0;
    S1(U1(*pdec)).Mid32 = 0;
    S1(U1(*pdec)).Lo32 = 1;
    hres = pVarInt(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_DECIMAL && !memcmp(&V_DECIMAL(&v), &V_DECIMAL(&vDst), sizeof(DECIMAL)),
       "VarInt: expected 0x0,%d,identical, got 0x%X,%d\n", VT_DECIMAL,
       hres, V_VT(&vDst));

    /* FIXME: Test some fractional decimals when VarDecInt is implemented */

    V_VT(&v) = VT_CY;
    pcy->int64 = -10000;
    hres = pVarInt(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_CY && V_CY(&vDst).int64 == -10000,
       "VarInt: VT_CY wrong, hres=0x%X\n", hres);

    V_VT(&v) = VT_CY;
    pcy->int64 = -11000;
    hres = pVarInt(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_CY && V_CY(&vDst).int64 == -20000,
       "VarInt: VT_CY wrong, hres=0x%X 0x%x%08x\n",
       hres, (DWORD)(V_CY(&vDst).int64 >> 32), (DWORD)V_CY(&vDst).int64);
}

static HRESULT (WINAPI *pVarNeg)(LPVARIANT,LPVARIANT);

#define VARNEG(vt,val,rvt,rval)                  \
    V_VT(&v) = VT_##vt; V_##vt(&v) = val;        \
    V_VT(&exp) = VT_##rvt; V_##rvt(&exp) = rval; \
    test_var_call1( __LINE__, pVarNeg, &v, &exp )

static void test_VarNeg(void)
{
    static const WCHAR szNumMinus1[] = {'-','1','\0' };
    static const WCHAR szNum1[] = {'1','\0' };
    HRESULT hres;
    VARIANT v, exp, vDst;
    DECIMAL *pdec = &V_DECIMAL(&v);
    CY *pcy = &V_CY(&v);
    size_t i;

    CHECKPTR(VarNeg);

    /* Test all possible V_VT values. But don't test the exact return values
     * except for success/failure, since M$ made a hash of them in the
     * native version. This at least ensures (as with all tests here) that
     * we will notice if/when new vtypes/flags are added in native.
     */
    for (i = 0; i < ARRAY_SIZE(ExtraFlags); i++)
    {
        VARTYPE vt;

        for (vt = 0; vt <= VT_BSTR_BLOB; vt++)
        {
            BOOL bFail = TRUE;

            SKIPTESTS(vt);

            memset(&v, 0, sizeof(v));
            V_VT(&v) = vt | ExtraFlags[i];
            V_VT(&vDst) = VT_EMPTY;

            switch (V_VT(&v))
            {
            case VT_UI1: case VT_I2: case VT_I4:
            case VT_R4:  case VT_R8:
            case VT_DECIMAL: case VT_BOOL: case VT_NULL: case VT_EMPTY:
            case VT_DATE: case VT_CY:
                bFail = FALSE;
                break;
            case VT_I8:
                if (has_i8)
                    bFail = FALSE;
            }

            hres = pVarNeg(&v,&vDst);
            if (bFail)
                ok(hres == DISP_E_TYPEMISMATCH || hres == DISP_E_BADVARTYPE,
                   "VarNeg: expected failure, got 0x%X vt %d|0x%X\n",
                   hres, vt, ExtraFlags[i]);
            else
                ok(hres == S_OK, "VarNeg: expected S_OK, got 0x%X vt %d|0x%X\n",
                    hres, vt, ExtraFlags[i]);
        }
    }

    VARNEG(BOOL,VARIANT_TRUE,I2,1);
    VARNEG(BOOL,VARIANT_FALSE,I2,0);
    VARNEG(BOOL,1,I2,-1);
    VARNEG(UI1,1,I2,-1);
    VARNEG(UI1,254,I2,-254);
    VARNEG(I2,-32768,I4,32768);
    VARNEG(I2,-1,I2,1);
    VARNEG(I2,1,I2,-1);
    VARNEG(I4,-((int)(~0u >> 1)) - 1,R8,-2147483648u);
    VARNEG(I4,-1,I4,1);
    VARNEG(I4,1,I4,-1);
    if (has_i8)
    {
        VARNEG(I8,1,I8,-1);
        VARNEG(I8,-1,I8,1);
    }
    VARNEG(R4,1,R4,-1);
    VARNEG(R4,-1,R4,1);
    VARNEG(DATE,1,DATE,-1);
    VARNEG(DATE,-1,DATE,1);
    VARNEG(R8,1,R8,-1);
    VARNEG(R8,-1,R8,1);
    VARNEG(BSTR,(BSTR)szNumMinus1,R8,1);
    VARNEG(BSTR,(BSTR)szNum1,R8,-1);

    V_VT(&v) = VT_EMPTY;
    hres = pVarNeg(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_I2 && V_I2(&vDst) == 0,
       "VarNeg: expected 0x0,%d,0 got 0x%X,%d,%d\n", VT_EMPTY,
       hres, V_VT(&vDst), V_I2(&vDst));

    V_VT(&v) = VT_NULL;
    hres = pVarNeg(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_NULL,
       "VarNeg: expected 0x0,%d got 0x%X,%d\n", VT_NULL, hres, V_VT(&vDst));

    V_VT(&v) = VT_DECIMAL;
    S(U(*pdec)).sign = DECIMAL_NEG;
    S(U(*pdec)).scale = 0;
    pdec->Hi32 = 0;
    S1(U1(*pdec)).Mid32 = 0;
    S1(U1(*pdec)).Lo32 = 1;
    hres = pVarNeg(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_DECIMAL &&
       S(U(V_DECIMAL(&vDst))).sign == 0,
       "VarNeg: expected 0x0,%d,0x00, got 0x%X,%d,%02x\n", VT_DECIMAL,
       hres, V_VT(&vDst), S(U(V_DECIMAL(&vDst))).sign);

    S(U(*pdec)).sign = 0;
    hres = pVarNeg(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_DECIMAL &&
       S(U(V_DECIMAL(&vDst))).sign == DECIMAL_NEG,
       "VarNeg: expected 0x0,%d,0x7f, got 0x%X,%d,%02x\n", VT_DECIMAL,
       hres, V_VT(&vDst), S(U(V_DECIMAL(&vDst))).sign);

    V_VT(&v) = VT_CY;
    pcy->int64 = -10000;
    hres = pVarNeg(&v,&vDst);
    ok(hres == S_OK && V_VT(&vDst) == VT_CY && V_CY(&vDst).int64 == 10000,
       "VarNeg: VT_CY wrong, hres=0x%X\n", hres);
}

static HRESULT (WINAPI *pVarRound)(LPVARIANT,int,LPVARIANT);

static void test_Round( int line, VARIANT *arg, int deci, VARIANT *expected )
{
    VARIANT result;
    HRESULT hres;

    memset( &result, 0, sizeof(result) );
    hres = pVarRound( arg, deci, &result );
    ok_(__FILE__,line)( hres == S_OK, "wrong result %x\n", hres );
    if (hres == S_OK)
        ok_(__FILE__,line)( is_expected_variant( &result, expected ),
                            "got %s expected %s\n", variantstr(&result), variantstr(expected) );
}
#define VARROUND(vt,val,deci,rvt,rval)           \
    V_VT(&v) = VT_##vt; V_##vt(&v) = val;        \
    V_VT(&exp) = VT_##rvt; V_##rvt(&exp) = rval; \
    test_Round( __LINE__, &v, deci, &exp )

struct decimal_t {
    BYTE scale;
    BYTE