[PATCH 3/3] shlwapi/tests: A test to query ISequentialStream from memory stream

[Nikolay Sivov]

Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
---
 dlls/shlwapi/tests/istream.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/dlls/shlwapi/tests/istream.c b/dlls/shlwapi/tests/istream.c
index 59c07347ff..9e6e8a7cc6 100644
--- a/dlls/shlwapi/tests/istream.c
+++ b/dlls/shlwapi/tests/istream.c
@@ -701,6 +701,26 @@ static void test_SHCreateStreamOnFileEx_CopyTo(void)
     DeleteFileW( dstFileName );
 }
 
+static void test_SHCreateMemStream(void)
+{
+    ISequentialStream *seqstream;
+    IStream *stream;
+    HRESULT hr;
+
+    stream = SHCreateMemStream(NULL, 0);
+    ok(stream != NULL, "failed to create a stream\n");
+
+    hr = IStream_QueryInterface(stream, &IID_ISequentialStream, (void **)&seqstream);
+todo_wine
+    ok(hr == S_OK || broken(hr == E_NOINTERFACE) /* winxp, w2k3 */, "got 0x%08x\n", hr);
+    if (hr == S_OK)
+    {
+        ok(seqstream == (ISequentialStream *)stream, "got unexpected interface pointer\n");
+        ISequentialStream_Release(seqstream);
+    }
+
+    IStream_Release(stream);
+}
 
 START_TEST(istream)
 {
@@ -741,4 +761,5 @@ START_TEST(istream)
     }
 
     test_SHCreateStreamOnFileEx_CopyTo();
+    test_SHCreateMemStream();
 }
-- 
2.11.0