dplayx/tests: Add DirectPlayLobby COM tests.

dlls/dplayx/tests/dplayx.c

@@ -6453,12 +6453,91 @@ static void test_COM(void)
     ok(refcount == 0, "refcount == %u, expected 0\n", refcount);
 }
 
+static void test_COM_dplobby(void)
+{
+    IDirectPlayLobby *dpl = (IDirectPlayLobby*)0xdeadbeef;
+    IDirectPlayLobbyA *dplA;
+    IDirectPlayLobby2A *dpl2A;
+    IDirectPlayLobby2 *dpl2;
+    IDirectPlayLobby3A *dpl3A;
+    IDirectPlayLobby3 *dpl3;
+    IUnknown *unk;
+    ULONG refcount;
+    HRESULT hr;
+
+    /* COM aggregation */
+    hr = CoCreateInstance(&CLSID_DirectPlayLobby, (IUnknown*)&dpl, CLSCTX_INPROC_SERVER,
+            &IID_IUnknown, (void**)&dpl);
+    ok(hr == CLASS_E_NOAGGREGATION || broken(hr == E_INVALIDARG),
+            "DirectPlayLobby create failed: %08x, expected CLASS_E_NOAGGREGATION\n", hr);
+    ok(!dpl || dpl == (IDirectPlayLobby*)0xdeadbeef, "dp4 = %p\n", dpl);
+
+    /* Invalid RIID */
+    hr = CoCreateInstance(&CLSID_DirectPlayLobby, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectPlay,
+            (void**)&dpl);
+    ok(hr == E_NOINTERFACE, "DirectPlayLobby create failed: %08x, expected E_NOINTERFACE\n", hr);
+
+    /* Different refcount for all DirectPlayLobby Interfaces */
+    hr = CoCreateInstance(&CLSID_DirectPlayLobby, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectPlayLobby,
+            (void**)&dpl);
+    ok(hr == S_OK, "DirectPlayLobby create failed: %08x, expected S_OK\n", hr);
+    refcount = IDirectPlayLobby_AddRef(dpl);
+    ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
+
+    hr = IDirectPlayLobby_QueryInterface(dpl, &IID_IDirectPlayLobbyA, (void**)&dplA);
+    ok(hr == S_OK, "QueryInterface for IID_IDirectPlayLobbyA failed: %08x\n", hr);
+    refcount = IDirectPlayLobby_AddRef(dplA);
+    todo_wine ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
+    IDirectPlayLobby_Release(dplA);
+
+    hr = IDirectPlayLobby_QueryInterface(dpl, &IID_IDirectPlayLobby2, (void**)&dpl2);
+    ok(hr == S_OK, "QueryInterface for IID_IDirectPlayLobby2 failed: %08x\n", hr);
+    refcount = IDirectPlayLobby_AddRef(dpl2);
+    todo_wine ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
+    IDirectPlayLobby_Release(dpl2);
+
+    hr = IDirectPlayLobby_QueryInterface(dpl, &IID_IDirectPlayLobby2A, (void**)&dpl2A);
+    ok(hr == S_OK, "QueryInterface for IID_IDirectPlayLobby2A failed: %08x\n", hr);
+    refcount = IDirectPlayLobby_AddRef(dpl2A);
+    todo_wine ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
+    IDirectPlayLobby_Release(dpl2A);
+
+    hr = IDirectPlayLobby_QueryInterface(dpl, &IID_IDirectPlayLobby3, (void**)&dpl3);
+    ok(hr == S_OK, "QueryInterface for IID_IDirectPlayLobby3 failed: %08x\n", hr);
+    refcount = IDirectPlayLobby_AddRef(dpl3);
+    todo_wine ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
+    IDirectPlayLobby_Release(dpl3);
+
+    hr = IDirectPlayLobby_QueryInterface(dpl, &IID_IDirectPlayLobby3A, (void**)&dpl3A);
+    ok(hr == S_OK, "QueryInterface for IID_IDirectPlayLobby3A failed: %08x\n", hr);
+    refcount = IDirectPlayLobby_AddRef(dpl3A);
+    todo_wine ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
+    IDirectPlayLobby_Release(dpl3A);
+
+    /* IDirectPlayLobby and IUnknown share a refcount */
+    hr = IDirectPlayX_QueryInterface(dpl, &IID_IUnknown, (void**)&unk);
+    ok(hr == S_OK, "QueryInterface for IID_IUnknown failed: %08x\n", hr);
+    refcount = IDirectPlayLobby_AddRef(unk);
+    todo_wine ok(refcount == 4, "refcount == %u, expected 4\n", refcount);
+    IDirectPlayLobby_Release(unk);
+
+    IUnknown_Release(unk);
+    IDirectPlayLobby_Release(dpl3);
+    IDirectPlayLobby_Release(dpl3A);
+    IDirectPlayLobby_Release(dpl2);
+    IDirectPlayLobby_Release(dpl2A);
+    IDirectPlayLobby_Release(dpl);
+    refcount = IDirectPlayLobby_Release(dpl);
+    ok(refcount == 0, "refcount == %u, expected 0\n", refcount);
+}
+
 
 START_TEST(dplayx)
 {
     CoInitialize( NULL );
 
     test_COM();
+    test_COM_dplobby();
 
     if (!winetest_interactive)
     {