From 5e2f6fa9a38d2719e9d6980514a2b83dd397e7a0 Mon Sep 17 00:00:00 2001 From: Martin Storsjo Date: Fri, 6 Nov 2015 12:20:44 +0200 Subject: [PATCH] ucrtbase: Add a test for snprintf to a NULL buffer. Signed-off-by: Martin Storsjo Signed-off-by: Piotr Caban Signed-off-by: Alexandre Julliard --- dlls/ucrtbase/tests/printf.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/dlls/ucrtbase/tests/printf.c b/dlls/ucrtbase/tests/printf.c index 6c719eaf4b4..d3ed0a20036 100644 --- a/dlls/ucrtbase/tests/printf.c +++ b/dlls/ucrtbase/tests/printf.c @@ -156,6 +156,9 @@ static void test_snprintf (void) ok (buffer[valid] == '\0', "\"%s\": Missing null termination (ret %d) - is %d\n", fmt, n, buffer[valid]); } + + ok (vsprintf_wrapper (UCRTBASE_PRINTF_STANDARD_SNPRINTF_BEHAVIOUR, NULL, 0, "abcd") == 4, + "Failure to snprintf to NULL\n"); } static int __cdecl vswprintf_wrapper(unsigned __int64 options, wchar_t *str,