Bruno Jesus : shlwapi/tests: Test NULL handle duplication in SHMapHandle() .

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 57b83e1459316ff3e04809f2f8655e458a14322e
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=57b83e1459316ff3e04809f2f8...

Author: Bruno Jesus <00cpxxx(a)gmail.com>
Date:   Mon Jan 30 21:42:28 2017 -0200

shlwapi/tests: Test NULL handle duplication in SHMapHandle().

Signed-off-by: Bruno Jesus <00cpxxx(a)gmail.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/shlwapi/tests/ordinal.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/dlls/shlwapi/tests/ordinal.c b/dlls/shlwapi/tests/ordinal.c
index ad3048b..004c75d 100644
--- a/dlls/shlwapi/tests/ordinal.c
+++ b/dlls/shlwapi/tests/ordinal.c
@@ -568,6 +568,12 @@ static void test_alloc_shared_remote(DWORD procid, HANDLE hmem)
     ok(ret, "SHUnlockShared failed: %u\n", GetLastError());
 
     /* test SHMapHandle */
+    SetLastError(0xdeadbeef);
+    hmem2 = pSHMapHandle(NULL, procid, GetCurrentProcessId(), 0, 0);
+    ok(hmem2 == NULL, "expected NULL, got new handle\n");
+todo_wine
+    ok(GetLastError() == 0xdeadbeef, "last error should not have changed, got %u\n", GetLastError());
+
     hmem2 = pSHMapHandle(hmem, procid, GetCurrentProcessId(), 0, 0);
 
     /* It seems like Windows Vista/2008 uses a different internal implementation