ReactOS 0.4.15-dev-7842-g558ab78
mbtowc.c
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1/*
2 * PROJECT: ReactOS API tests
3 * LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
4 * PURPOSE: Tests for mbtowc
5 * COPYRIGHT: Copyright 2020 George Bișoc <george.bisoc@reactos.org>
6 */
7
8#include <apitest.h>
9#include <apitest_guard.h>
10
11#define WIN32_NO_STATUS
12#include <stdio.h>
13#include <stdlib.h>
14
16{
17 int Length;
18 wchar_t BufferDest[3];
19 char *ch;
20
21 ch = AllocateGuarded(sizeof(ch));
22 if (!ch)
23 {
24 skip("Buffer allocation failed!\n");
25 return;
26 }
27
28 /* Assign a character for tests */
29 *ch = 'A';
30
31 /* Everything is NULL */
32 Length = mbtowc(NULL, NULL, 0);
33 ok(Length == 0, "Expected 0 characters to be converted as everything is NULL but got %u.\n", Length);
34
35 /* Don't examine the number of bytes pointed by multibyte parameter */
36 Length = mbtowc(BufferDest, ch, 0);
37 ok(Length == 0, "Expected 0 characters to be converted but got %u.\n", Length);
38
39 /* Wide character argument is invalid */
40 Length = mbtowc(NULL, ch, 0);
41 ok(Length == 0, "Expected 0 characters to be converted but got %u.\n", Length);
42
43 /* The multibyte argument is invalid */
44 Length = mbtowc(BufferDest, NULL, 0);
45 ok(Length == 0, "Expected 0 characters to be converted but got %u.\n", Length);
46
47 /* The multibyte argument is invalid but count number for examination is correct */
48 Length = mbtowc(BufferDest, NULL, MB_CUR_MAX);
49 ok(Length == 0, "Expected 0 characters to be converted but got %u.\n", Length);
50
51 /* Don't give the output but the count character inspection argument is valid */
53 ok(Length == 1, "The number of bytes to check should be 1 but got %u.\n", Length);
54
55 /* Convert the character and validate the output that we should get */
56 Length = mbtowc(BufferDest, ch, MB_CUR_MAX);
57 ok(Length == 1, "Expected 1 character to be converted but got %u.\n", Length);
58 ok_int(BufferDest[0], L'A');
59
60 FreeGuarded(ch);
61}
static VOID FreeGuarded(_In_ PVOID Pointer)
Definition: apitest_guard.h:45
static PVOID AllocateGuarded(_In_ SIZE_T SizeRequested)
Definition: apitest_guard.h:10
#define ok(value,...)
Definition: atltest.h:57
#define skip(...)
Definition: atltest.h:64
#define START_TEST(x)
Definition: atltest.h:75
#define ok_int(expression, result)
Definition: atltest.h:134
#define NULL
Definition: types.h:112
#define MB_CUR_MAX
Definition: ctype.h:624
_In_ ULONG _In_ ULONG _In_ ULONG Length
Definition: ntddpcm.h:102
#define L(x)
Definition: ntvdm.h:50
#define mbtowc(wp, cp, len)
Definition: wchar.h:155