msxml3: Some tests to show that DISPID_VALUE properties are handled specially.

dlls/msxml3/tests/domdoc.c

@@ -9939,7 +9939,9 @@ static void test_dispex(void)
     IXMLHTTPRequest *req;
     IXMLDOMElement *elem;
     IDispatchEx *dispex;
+    DISPPARAMS dispparams;
     IXMLDOMNode *node;
+    VARIANT arg, ret;
     VARIANT_BOOL b;
     IUnknown *unk;
     HRESULT hr;
@@ -9996,6 +9998,58 @@ static void test_dispex(void)
     ok(did == DISPID_DOM_COLLECTION_BASE+1, "got 0x%08x\n", did);
     IDispatchEx_Release(dispex);
 
+    did = -1;
+    hr = IDispatchEx_GetDispID(dispex, _bstr_("item"), 0, &did);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(did == DISPID_VALUE, "got %d\n", did);
+
+    V_VT(&arg) = VT_I4;
+    V_I2(&arg) = 0;
+    dispparams.cArgs = 1;
+    dispparams.cNamedArgs = 0;
+    dispparams.rgdispidNamedArgs = NULL;
+    dispparams.rgvarg = &arg;
+
+    V_VT(&ret) = VT_EMPTY;
+    V_DISPATCH(&ret) = (void*)0x1;
+    hr = IDispatchEx_Invoke(dispex, DISPID_VALUE, &IID_NULL, 0, DISPATCH_METHOD, &dispparams, &ret, NULL, NULL);
+todo_wine
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(V_VT(&ret) == VT_DISPATCH, "got %d\n", V_VT(&ret));
+    ok(V_DISPATCH(&ret) == NULL, "got %p\n", V_DISPATCH(&ret));
+
+    V_VT(&ret) = VT_EMPTY;
+    V_DISPATCH(&ret) = (void*)0x1;
+    hr = IDispatchEx_Invoke(dispex, DISPID_VALUE, &IID_NULL, 0, DISPATCH_PROPERTYGET, &dispparams, &ret, NULL, NULL);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(V_VT(&ret) == VT_DISPATCH, "got %d\n", V_VT(&ret));
+    ok(V_DISPATCH(&ret) == NULL, "got %p\n", V_DISPATCH(&ret));
+
+    dispparams.cArgs = 0;
+    dispparams.cNamedArgs = 0;
+    dispparams.rgdispidNamedArgs = NULL;
+    dispparams.rgvarg = NULL;
+
+    V_VT(&ret) = VT_EMPTY;
+    V_I4(&ret) = 1;
+    hr = IDispatchEx_Invoke(dispex, DISPID_DOM_NODELIST_LENGTH, &IID_NULL, 0, DISPATCH_PROPERTYGET, &dispparams, &ret, NULL, NULL);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(V_VT(&ret) == VT_I4, "got %d\n", V_VT(&ret));
+    ok(V_I4(&ret) == 0, "got %d\n", V_I4(&ret));
+
+    dispparams.cArgs = 0;
+    dispparams.cNamedArgs = 0;
+    dispparams.rgdispidNamedArgs = NULL;
+    dispparams.rgvarg = NULL;
+
+    V_VT(&ret) = VT_EMPTY;
+    V_I4(&ret) = 1;
+    hr = IDispatchEx_Invoke(dispex, DISPID_DOM_NODELIST_LENGTH, &IID_NULL, 0, DISPATCH_METHOD, &dispparams, &ret, NULL, NULL);
+    ok(hr == DISP_E_MEMBERNOTFOUND, "got 0x%08x\n", hr);
+todo_wine {
+    ok(V_VT(&ret) == VT_EMPTY, "got %d\n", V_VT(&ret));
+    ok(V_I4(&ret) == 1, "got %d\n", V_I4(&ret));
+}
     IXMLDOMNodeList_Release(node_list);
 
     /* IXMLDOMParseError */