[1/5] msxml3/tests: Add a test to show that IXMLElementCollection enumerator doesn't recognize IID_IXMLElementCollection. Take 2.

[Dmitry Timoshkov]

This time with a test for returned interface being NULL.

This is a better separated patch set with a couple of additional patches.
---
 dlls/msxml3/tests/xmldoc.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/dlls/msxml3/tests/xmldoc.c b/dlls/msxml3/tests/xmldoc.c
index 4130ea4..ea05dd8 100644
--- a/dlls/msxml3/tests/xmldoc.c
+++ b/dlls/msxml3/tests/xmldoc.c
@@ -727,6 +727,13 @@ static void test_xmlelem_collection(void)
     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
     ok(unk != NULL, "Expected non-NULL unk\n");
 
+    enumVar = (void *)0xdeadbeef;
+    hr = IUnknown_QueryInterface(unk, &IID_IXMLElementCollection, (LPVOID *)&enumVar);
+todo_wine
+    ok(hr == E_NOINTERFACE, "Expected E_NOINTERFACE, got %08x\n", hr);
+todo_wine
+    ok(enumVar == NULL || broken(enumVar == (void *)0xdeadbeef) /* XP */, "Expected NULL, got %p\n", enumVar);
+
     hr = IUnknown_QueryInterface(unk, &IID_IEnumVARIANT, (LPVOID *)&enumVar);
     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
     ok(enumVar != NULL, "Expected non-NULL enumVar\n");
-- 
1.8.5.3