kernel32: Add an overflow test for MultiByteToWideChar
Dmitry Timoshkov
dmitry at codeweavers.com
Fri May 18 06:21:35 CDT 2007
Hello,
in the bug 8425 the behaviour of MultiByteToWideChar regarding an overflow
was questioned, here is a test that confirms that current behaviour is correct.
Changelog:
kernel32: Add an overflow test for MultiByteToWideChar.
---
dlls/kernel32/tests/codepage.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/dlls/kernel32/tests/codepage.c b/dlls/kernel32/tests/codepage.c
index 89b6ef0..bde9f82 100644
--- a/dlls/kernel32/tests/codepage.c
+++ b/dlls/kernel32/tests/codepage.c
@@ -137,6 +137,12 @@ static void test_negative_source_length(void)
len = MultiByteToWideChar(CP_ACP, 0, "foobar", -2002, bufW, 10);
ok(len == 7 && !mylstrcmpW(bufW, foobarW) && GetLastError() == 0xdeadbeef,
"MultiByteToWideChar(-2002): len=%d error=%u\n", len, GetLastError());
+
+ SetLastError(0xdeadbeef);
+ memset(bufW, 'x', sizeof(bufW));
+ len = MultiByteToWideChar(CP_ACP, 0, "foobar", -1, bufW, 6);
+ ok(len == 0 && GetLastError() == ERROR_INSUFFICIENT_BUFFER,
+ "MultiByteToWideChar(-1): len=%d error=%u\n", len, GetLastError());
}
static void test_overlapped_buffers(void)
--
1.5.1.3
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