system/wine
system/wine
1
0
Fork 0
mirror of git://source.winehq.org/git/wine.git synced 2024-09-01 00:13:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

kernel32/tests: Test if FormatMessage modifies va_list on error.

Browse source 
Signed-off-by: Daniel Lehman <dlehman25@gmail.com>
This commit is contained in:
Daniel Lehman 2022-06-04 08:03:02 -07:00 committed by Alexandre Julliard
parent dd95979b0a
commit 8986f6fadd
1 changed files with 22 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
dlls/kernel32/tests/format_msg.c
View file

@ -1005,6 +1005,25 @@ static void test_message_wrap(void)
ok(!strcmp("short\r\nlong?line", out),"failed out=[%s]\n",out);
}
static void test_message_arg_eaten( const WCHAR *src, ... )
{
DWORD ret;
va_list list;
WCHAR *arg, out[1];
out[0] = 0xcccc;
va_start(list, src);
SetLastError(0xdeadbeef);
ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, src, 0, 0, out, ARRAY_SIZE(out), &list);
ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER,
"Expected GetLastError() to return ERROR_INSUFFICIENT_BUFFER, got %lu\n", GetLastError());
ok(ret == 0, "Expected FormatMessageW to return 0, got %lu\n", ret);
ok(out[0] == 0, "Expected null, got %ls\n", out);
arg = va_arg( list, WCHAR * );
ok(!wcscmp( L"unused", arg ), "Expected 'unused', got %s\n", wine_dbgstr_w(arg));
va_end(list);
}
static void test_message_insufficient_buffer(void)
{
static const char init_buf[] = {'x', 'x', 'x', 'x', 'x'};
@ -1153,6 +1172,9 @@ static void test_message_insufficient_buffer_wide(void)
HeapFree( GetProcessHeap(), 0, tmp );
HeapFree( GetProcessHeap(), 0, buf );
}
/* va_arg is eaten even in case of insufficient buffer */
test_message_arg_eaten( L"%1!s! %2!s!", L"eaten", L"unused" );
}
static void test_message_null_buffer(void)