dmstyle/tests: Add COM tests for IDirectMusicStyle8.

configure

@@ -16672,6 +16672,7 @@ wine_fn_config_test dlls/dmloader/tests dmloader_test
 wine_fn_config_dll dmscript enable_dmscript clean
 wine_fn_config_test dlls/dmscript/tests dmscript_test
 wine_fn_config_dll dmstyle enable_dmstyle clean
+wine_fn_config_test dlls/dmstyle/tests dmstyle_test
 wine_fn_config_dll dmsynth enable_dmsynth clean
 wine_fn_config_test dlls/dmsynth/tests dmsynth_test
 wine_fn_config_dll dmusic enable_dmusic clean

configure.ac

@@ -2796,6 +2796,7 @@ WINE_CONFIG_TEST(dlls/dmloader/tests)
 WINE_CONFIG_DLL(dmscript,,[clean])
 WINE_CONFIG_TEST(dlls/dmscript/tests)
 WINE_CONFIG_DLL(dmstyle,,[clean])
+WINE_CONFIG_TEST(dlls/dmstyle/tests)
 WINE_CONFIG_DLL(dmsynth,,[clean])
 WINE_CONFIG_TEST(dlls/dmsynth/tests)
 WINE_CONFIG_DLL(dmusic,,[clean])

dlls/dmstyle/tests/Makefile.in

+TESTDLL   = dmstyle.dll
+IMPORTS   = ole32
+
+C_SRCS = \
+	dmstyle.c

dlls/dmstyle/tests/dmstyle.c

+/*
+ * Copyright 2014 Michael Stefaniuc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#define COBJMACROS
+
+#include <stdarg.h>
+#include <windef.h>
+#include <initguid.h>
+#include <wine/test.h>
+#include <dmusici.h>
+
+
+static BOOL missing_dmstyle(void)
+{
+    IDirectMusicStyle *dms;
+    HRESULT hr = CoCreateInstance(&CLSID_DirectMusicStyle, NULL, CLSCTX_INPROC_SERVER,
+            &IID_IDirectMusicStyle, (void**)&dms);
+
+    if (hr == S_OK && dms)
+    {
+        IDirectMusicStyle_Release(dms);
+        return FALSE;
+    }
+    return TRUE;
+}
+
+static void test_COM(void)
+{
+    IDirectMusicStyle8 *dms8 = (IDirectMusicStyle8*)0xdeadbeef;
+    IDirectMusicObject *dmo;
+    IPersistStream *ps;
+    IUnknown *unk;
+    ULONG refcount;
+    HRESULT hr;
+
+    /* COM aggregation */
+    hr = CoCreateInstance(&CLSID_DirectMusicStyle, (IUnknown*)&dms8, CLSCTX_INPROC_SERVER,
+            &IID_IUnknown, (void**)&dms8);
+    ok(hr == CLASS_E_NOAGGREGATION,
+            "DirectMusicStyle8 create failed: %08x, expected CLASS_E_NOAGGREGATION\n", hr);
+    ok(!dms8, "dms8 = %p\n", dms8);
+
+    /* Invalid RIID */
+    hr = CoCreateInstance(&CLSID_DirectMusicStyle, NULL, CLSCTX_INPROC_SERVER, &IID_IClassFactory,
+            (void**)&dms8);
+    ok(hr == E_NOINTERFACE, "DirectMusicStyle8 create failed: %08x, expected E_NOINTERFACE\n", hr);
+
+    /* Same refcount for all DirectMusicStyle8 interfaces */
+    hr = CoCreateInstance(&CLSID_DirectMusicStyle, NULL, CLSCTX_INPROC_SERVER,
+            &IID_IDirectMusicStyle8, (void**)&dms8);
+    ok(hr == S_OK, "DirectMusicStyle8 create failed: %08x, expected S_OK\n", hr);
+    refcount = IDirectMusicStyle8_AddRef(dms8);
+    ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
+
+    hr = IDirectMusicStyle8_QueryInterface(dms8, &IID_IDirectMusicObject, (void**)&dmo);
+    ok(hr == S_OK, "QueryInterface for IID_IDirectMusicObject failed: %08x\n", hr);
+    refcount = IDirectMusicObject_AddRef(dmo);
+    ok(refcount == 4, "refcount == %u, expected 4\n", refcount);
+    refcount = IDirectMusicObject_Release(dmo);
+
+    hr = IDirectMusicStyle8_QueryInterface(dms8, &IID_IPersistStream, (void**)&ps);
+    ok(hr == S_OK, "QueryInterface for IID_IPersistStream failed: %08x\n", hr);
+    refcount = IPersistStream_AddRef(ps);
+    ok(refcount == 5, "refcount == %u, expected 5\n", refcount);
+    refcount = IPersistStream_Release(ps);
+
+    hr = IDirectMusicStyle8_QueryInterface(dms8, &IID_IUnknown, (void**)&unk);
+    ok(hr == S_OK, "QueryInterface for IID_IUnknown failed: %08x\n", hr);
+    refcount = IUnknown_AddRef(unk);
+    ok(refcount == 6, "refcount == %u, expected 6\n", refcount);
+    refcount = IUnknown_Release(unk);
+
+    while (IDirectMusicStyle8_Release(dms8));
+}
+
+START_TEST(dmstyle)
+{
+    CoInitialize(NULL);
+
+    if (missing_dmstyle())
+    {
+        skip("dmstyle not available\n");
+        CoUninitialize();
+        return;
+    }
+    test_COM();
+
+    CoUninitialize();
+}