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kernel32/tests: Test partially overlapping buffers for MultiByteToWideChar. 

Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Gabriel Ivăncescu 2019-01-23 13:29:55 +02:00 committed by Alexandre Julliard
parent e84c26cec6
commit ec89a93028
1 changed files with 10 additions and 0 deletions
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10
dlls/kernel32/tests/codepage.c
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@ -314,12 +314,22 @@ static void test_overlapped_buffers(void)
char buf[256];
int ret;
/* limit such that strA's NUL terminator overlaps strW's NUL */
size_t overlap_limit = (sizeof(strW)-sizeof(strA)) - (sizeof(strW[0])-sizeof(strA[0]));
SetLastError(0xdeadbeef);
memcpy(buf + 1, strW, sizeof(strW));
ret = WideCharToMultiByte(CP_ACP, 0, (WCHAR *)(buf + 1), -1, buf, sizeof(buf), NULL, NULL);
ok(ret == sizeof(strA), "unexpected ret %d\n", ret);
ok(!memcmp(buf, strA, sizeof(strA)), "conversion failed: %s\n", buf);
ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
SetLastError(0xdeadbeef);
memcpy(buf + overlap_limit, strA, sizeof(strA));
ret = MultiByteToWideChar(CP_ACP, 0, buf + overlap_limit, -1, (WCHAR *)buf, sizeof(buf) / sizeof(WCHAR));
ok(ret == ARRAY_SIZE(strW), "unexpected ret %d\n", ret);
ok(!memcmp(buf, strW, sizeof(strW)), "conversion failed: %s\n", wine_dbgstr_wn((WCHAR *)buf, ARRAY_SIZE(strW)));
ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
}
static void test_string_conversion(LPBOOL bUsedDefaultChar)