[KERNEL32_WINETEST]

[reactos.git] / rostests / winetests / kernel32 / volume.c

diff --git a/rostests/winetests/kernel32/volume.c b/rostests/winetests/kernel32/volume.c
index f4a0f14..1d02782 100644 (file)
--- a/rostests/winetests/kernel32/volume.c
+++ b/rostests/winetests/kernel32/volume.c
@@ -44,6 +44,12 @@ static void test_query_dos_deviceA(void)
     DWORD ret, ret2, buflen=32768;
     BOOL found = FALSE;
 
+    /* callers must guess the buffer size */
+    SetLastError(0xdeadbeef);
+    ret = QueryDosDeviceA( NULL, NULL, 0 );
+    ok(!ret && GetLastError() == ERROR_INSUFFICIENT_BUFFER,
+       "QueryDosDeviceA(no buffer): returned %u, le=%u\n", ret, GetLastError());
+
     buffer = HeapAlloc( GetProcessHeap(), 0, buflen );
     SetLastError(0xdeadbeef);
     ret = QueryDosDeviceA( NULL, buffer, buflen );