ReactOS 0.4.15-dev-8146-gdc0ed6d
StrFormatByteSizeW.c
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1/*
2 * Copyright 2017 Doug Lyons
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18
19/* Documentation: https://msdn.microsoft.com/en-us/library/windows/desktop/bb759975(v=vs.85).aspx */
20
21#include <apitest.h>
22#include <shlwapi.h>
23#include <strsafe.h>
24
25#define DO_TEST(exp, str) \
26do { \
27 StrFormatByteSizeW(exp, lpszDest, cchMax);\
28 if (lpszDest[1] == L',') lpszDest[1] = L'.';\
29 ok(_wcsicmp(lpszDest, (str)) == 0, "Expected %s got %s\n",\
30 wine_dbgstr_w((str)), wine_dbgstr_w((lpszDest)));\
31} while (0)
32
35
36/* Returns true if the user interface is in English. Note that this does not
37 * presume of the formatting of dates, numbers, etc.
38 * Taken from WINE.
39 */
41{
42 static HMODULE hkernel32 = NULL;
43 static LANGID (WINAPI *pGetThreadUILanguage)(void) = NULL;
44 static LANGID (WINAPI *pGetUserDefaultUILanguage)(void) = NULL;
45
46 if (!hkernel32)
47 {
48 hkernel32 = GetModuleHandleA("kernel32.dll");
49 pGetThreadUILanguage = (void*)GetProcAddress(hkernel32, "GetThreadUILanguage");
50 pGetUserDefaultUILanguage = (void*)GetProcAddress(hkernel32, "GetUserDefaultUILanguage");
51 }
52
53 if (pGetThreadUILanguage)
54 return PRIMARYLANGID(pGetThreadUILanguage()) == LANG_ENGLISH;
55 if (pGetUserDefaultUILanguage)
56 return PRIMARYLANGID(pGetUserDefaultUILanguage()) == LANG_ENGLISH;
57
59}
60
61/* Returns true if the dates, numbers, etc. are formatted using English
62 * conventions.
63 * Taken from WINE.
64 */
66{
67 /* Surprisingly GetThreadLocale() is irrelevant here */
69 /* With the checks in DO_TEST, DUTCH can be used here as well.
70 TODO: Add other combinations that should work. */
71 return langid == LANG_ENGLISH || langid == LANG_DUTCH;
72}
73
75{
76 /* language-dependent test */
78 {
79 skip("An English UI and locale is required for the StrFormat*Size tests\n");
80 return;
81 }
82 DO_TEST(0, L"0 bytes"); // 0x0
83 DO_TEST(1, L"1 bytes"); // 0x1
84 DO_TEST(1024, L"1.00 KB"); // 0x400
85 DO_TEST(1048576, L"1.00 MB"); // 0x100000
86 DO_TEST(1073741824, L"1.00 GB"); // 0x40000000
87 DO_TEST(0x70000000, L"1.75 GB"); // 0x70000000
88 DO_TEST(0x80000000, L"2.00 GB"); // 0x80000000
89 DO_TEST(0x100000000, L"4.00 GB"); // 0x100000000
90 DO_TEST(1099511627776, L"1.00 TB"); // 0x10000000000
91 DO_TEST(1125899906842624, L"1.00 PB"); // 0x4000000000000
92 DO_TEST(1152921504606846976, L"1.00 EB"); // 0x1000000000000000
93 DO_TEST(2305843009213693952, L"2.00 EB"); // 0x2000000000000000
94 DO_TEST(4611686018427387904, L"4.00 EB"); // 0x4000000000000000
95 DO_TEST(0x7fffffffffffffff, L"7.99 EB"); // 0x7fffffffffffffff
96 DO_TEST(0x8000000000000000, L"0 bytes"); // 0x8000000000000000 High Bit Set Here
97 DO_TEST(0xffffffff00000000, L"0 bytes"); // 0xffffffff00000000
98 DO_TEST(0xffffffff00000001, L"1 bytes"); // 0xffffffff00000001
99 DO_TEST(0xffffffff70000000, L"1879048192 bytes"); // 0xffffffff70000000
100 DO_TEST(0xffffffff7fffffff, L"2147483647 bytes"); // 0xffffffff7fffffff
101 DO_TEST(0xffffffff80000000, L"-2147483648 bytes"); // 0xffffffff80000000 // Maximum Negative Number -2.00 GB
102 DO_TEST(0xffffffff80000001, L"-2147483647 bytes"); // 0xffffffff80000001
103 DO_TEST(0xffffffff90000000, L"-1879048192 bytes"); // 0xffffffff90000000
104 DO_TEST(-1073741824, L"-1073741824 bytes"); // 0xffffffffc0000000 -1.00 GB
105 DO_TEST(-1048576, L"-1048576 bytes"); // 0xfffffffffff00000 -1.00 MB
106 DO_TEST(-1024, L"-1024 bytes"); // 0xfffffffffffffc00 -1.00 KB
107 DO_TEST(0xffffffffffffffff, L"-1 bytes"); // 0xffffffffffffffff
108
109 // Here are some large negative tests and they all return zero bytes
110
111 DO_TEST(-4294967296, L"0 bytes"); // 0xffffffff00000000
112 DO_TEST(-8589934592, L"0 bytes"); // 0xfffffffe00000000
113 DO_TEST(-17179869184, L"0 bytes"); // 0xfffffffc00000000
114 DO_TEST(-34359738368, L"0 bytes"); // 0xfffffff800000000
115 DO_TEST(-68719476736, L"0 bytes"); // 0xfffffff000000000
116 DO_TEST(-137438953472, L"0 bytes"); // 0xffffffe000000000
117 DO_TEST(-274877906944, L"0 bytes"); // 0xffffffc000000000
118 DO_TEST(-549755813888, L"0 bytes"); // 0xffffff8000000000
119 DO_TEST(-1099511627776, L"0 bytes"); // 0xffffff0000000000
120 DO_TEST(-1152921504606846976, L"0 bytes"); // 0xf000000000000000
121
122 // These statements create compile errors and seem to be compiler conversion related
123 //DO_TEST(2147483648, L"2.00 GB"); // 2.00 GB & This gives a compile error
124 //DO_TEST(-2147483648, L"0 bytes"); // -2.00 GB & This gives a compile error
125}
#define DO_TEST(exp, str)
static BOOL is_locale_english(void)
static BOOL is_lang_english(void)
UINT cchMax
WCHAR lpszDest[260]
#define skip(...)
Definition: atltest.h:64
#define START_TEST(x)
Definition: atltest.h:75
#define NULL
Definition: types.h:112
#define GetProcAddress(x, y)
Definition: compat.h:753
HMODULE WINAPI DECLSPEC_HOTPATCH GetModuleHandleA(LPCSTR lpModuleName)
Definition: loader.c:812
LANGID WINAPI GetUserDefaultLangID(void)
Definition: locale.c:1176
LPWSTR WINAPI StrFormatByteSizeW(LONGLONG llBytes, LPWSTR lpszDest, UINT cchMax)
Definition: string.c:2388
unsigned int BOOL
Definition: ntddk_ex.h:94
USHORT LANGID
Definition: mui.h:9
static HINSTANCE hkernel32
Definition: process.c:66
LANGID langid
Definition: msctf.idl:644
unsigned int UINT
Definition: ndis.h:50
#define L(x)
Definition: ntvdm.h:50
#define LANG_ENGLISH
Definition: nls.h:52
#define LANG_DUTCH
Definition: nls.h:51
#define PRIMARYLANGID(l)
Definition: nls.h:16
#define WINAPI
Definition: msvc.h:6
__wchar_t WCHAR
Definition: xmlstorage.h:180