jscript: Fix GetIDsOfNames for more than one name.

dlls/jscript/dispex.c

@@ -1489,13 +1489,21 @@ static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
           lcid, rgDispId);
 
-    for(i=0; i < cNames; i++) {
-        hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[i], 0, rgDispId+i);
-        if(FAILED(hres))
-            return hres;
+    if(cNames == 0)
+        return S_OK;
+
+    hres = jsdisp_get_id(This, rgszNames[0], 0, rgDispId);
+    if(FAILED(hres))
+        return hres;
+
+    /* DISPIDs for parameters don't seem to be supported */
+    if(cNames > 1) {
+        for(i = 1; i < cNames; i++)
+            rgDispId[i] = DISPID_UNKNOWN;
+        hres = DISP_E_UNKNOWNNAME;
     }
 
-    return S_OK;
+    return hres;
 }
 
 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,

dlls/jscript/tests/jscript.c

@@ -924,6 +924,73 @@ static void test_aggregation(void)
     ok(!unk || broken(unk != NULL), "unk = %p\n", unk);
 }
 
+static void test_param_ids(void)
+{
+    static const WCHAR *const names1[] = { L"test", L"c", L"foo", L"b", L"a" };
+    static const WCHAR *const names2[] = { L"test", L"bar" };
+    static const WCHAR *const names3[] = { L"bar", L"test" };
+    DISPID id[ARRAY_SIZE(names1)];
+    IActiveScriptParse *parser;
+    IActiveScript *script;
+    IDispatchEx *disp;
+    HRESULT hr;
+
+    script = create_jscript();
+
+    hr = IActiveScript_QueryInterface(script, &IID_IActiveScriptParse, (void**)&parser);
+    ok(hr == S_OK, "Could not get IActiveScriptParse iface: %08x\n", hr);
+
+    SET_EXPECT(GetLCID);
+    hr = IActiveScript_SetScriptSite(script, &ActiveScriptSite);
+    ok(hr == S_OK, "SetScriptSite failed: %08x\n", hr);
+    CHECK_CALLED(GetLCID);
+
+    SET_EXPECT(OnStateChange_INITIALIZED);
+    hr = IActiveScriptParse_InitNew(parser);
+    ok(hr == S_OK, "InitNew failed: %08x\n", hr);
+    CHECK_CALLED(OnStateChange_INITIALIZED);
+
+    SET_EXPECT(OnStateChange_CONNECTED);
+    hr = IActiveScript_SetScriptState(script, SCRIPTSTATE_CONNECTED);
+    ok(hr == S_OK, "SetScriptState(SCRIPTSTATE_CONNECTED) failed: %08x\n", hr);
+    CHECK_CALLED(OnStateChange_CONNECTED);
+
+    parse_script(parser, L"function test(a, b, c, foo) { return a + b + c - foo; }\nfunction bar() { }");
+    disp = get_script_dispatch(script, NULL);
+
+    hr = IDispatchEx_GetIDsOfNames(disp, &IID_NULL, (WCHAR**)names1, ARRAY_SIZE(names1), 0, id);
+    ok(hr == DISP_E_UNKNOWNNAME, "GetIDsOfNames returned %08x, expected %08x\n", hr, DISP_E_UNKNOWNNAME);
+    ok(id[0] > 0, "Unexpected DISPID for \"test\": %d\n", id[0]);
+    ok(id[4] == DISPID_UNKNOWN, "Unexpected DISPID for \"a\" parameter: %d\n", id[4]);
+    ok(id[3] == DISPID_UNKNOWN, "Unexpected DISPID for \"b\" parameter: %d\n", id[3]);
+    ok(id[1] == DISPID_UNKNOWN, "Unexpected DISPID for \"c\" parameter: %d\n", id[1]);
+    ok(id[2] == DISPID_UNKNOWN, "Unexpected DISPID for \"foo\" parameter: %d\n", id[2]);
+
+    hr = IDispatchEx_GetIDsOfNames(disp, &IID_NULL, (WCHAR**)names2, ARRAY_SIZE(names2), 0, id);
+    ok(hr == DISP_E_UNKNOWNNAME, "GetIDsOfNames returned %08x, expected %08x\n", hr, DISP_E_UNKNOWNNAME);
+    ok(id[0] > 0, "Unexpected DISPID for \"test\": %d\n", id[0]);
+    ok(id[1] == DISPID_UNKNOWN, "Unexpected DISPID for \"bar\": %d\n", id[1]);
+
+    hr = IDispatchEx_GetIDsOfNames(disp, &IID_NULL, (WCHAR**)names3, ARRAY_SIZE(names3), 0, id);
+    ok(hr == DISP_E_UNKNOWNNAME, "GetIDsOfNames returned %08x, expected %08x\n", hr, DISP_E_UNKNOWNNAME);
+    ok(id[0] > 0, "Unexpected DISPID for \"bar\": %d\n", id[0]);
+    ok(id[1] == DISPID_UNKNOWN, "Unexpected DISPID for \"test\": %d\n", id[1]);
+
+    IDispatchEx_Release(disp);
+    IActiveScriptParse_Release(parser);
+
+    SET_EXPECT(OnStateChange_DISCONNECTED);
+    SET_EXPECT(OnStateChange_INITIALIZED);
+    SET_EXPECT(OnStateChange_CLOSED);
+    hr = IActiveScript_Close(script);
+    ok(hr == S_OK, "Close failed: %08x\n", hr);
+    CHECK_CALLED(OnStateChange_DISCONNECTED);
+    CHECK_CALLED(OnStateChange_INITIALIZED);
+    CHECK_CALLED(OnStateChange_CLOSED);
+
+    IActiveScript_Release(script);
+}
+
 static void test_code_persistence(void)
 {
     IActiveScriptParse *parse;
@@ -2251,6 +2318,7 @@ START_TEST(jscript)
         test_jscript2();
         test_jscript_uninitializing();
         test_aggregation();
+        test_param_ids();
         test_code_persistence();
         test_named_items();
         test_typeinfo(NULL);