Marcus Meissner : kernel32/tests: Test -1 length for NULL ptr too.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 9e8b1259caaa89699de91186837733ee85fdba4f
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=9e8b1259caaa89699de91186837733ee85fdba4f

Author: Marcus Meissner <marcus at jet.franken.de>
Date:   Thu Nov 23 21:24:33 2006 +0100

kernel32/tests: Test -1 length for NULL ptr too.

---

 dlls/kernel32/tests/codepage.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/dlls/kernel32/tests/codepage.c b/dlls/kernel32/tests/codepage.c
index d65aa59..de15067 100644
--- a/dlls/kernel32/tests/codepage.c
+++ b/dlls/kernel32/tests/codepage.c
@@ -101,6 +101,13 @@ static void test_null_source(void)
     ok(!len && GLE == ERROR_INVALID_PARAMETER,
         "WideCharToMultiByte returned %d with GLE=%d (expected 0 with ERROR_INVALID_PARAMETER)\n",
         len, GLE);
+
+    SetLastError(0);
+    len = WideCharToMultiByte(CP_ACP, 0, NULL, -1, NULL, 0, NULL, NULL);
+    GLE = GetLastError();
+    ok(!len && GLE == ERROR_INVALID_PARAMETER,
+        "WideCharToMultiByte returned %d with GLE=%d (expected 0 with ERROR_INVALID_PARAMETER)\n",
+        len, GLE);
 }
 
 /* lstrcmpW is not supported on Win9x! */