uiautomationcore: Implement IUIAutomationElement::get_CachedName.

dlls/uiautomationcore/tests/uiautomation.c

@@ -13635,25 +13635,23 @@ static void test_Element_cache_methods(IUIAutomation *uia_iface)
 
     /* Cached UIA_NamePropertyId helper. */
     hr = IUIAutomationElement_get_CachedName(element, NULL);
-    todo_wine ok(hr == E_POINTER, "Unexpected hr %#lx.\n", hr);
+    ok(hr == E_POINTER, "Unexpected hr %#lx.\n", hr);
 
     tmp_bstr = (void *)0xdeadbeef;
     hr = IUIAutomationElement_get_CachedName(element, &tmp_bstr);
-    todo_wine ok(hr == E_INVALIDARG, "Unexpected hr %#lx.\n", hr);
+    ok(hr == E_INVALIDARG, "Unexpected hr %#lx.\n", hr);
     ok(tmp_bstr == (void *)0xdeadbeef, "Unexpected BSTR ptr %p\n", tmp_bstr);
 
     tmp_bstr = NULL;
     hr = IUIAutomationElement_get_CachedName(element2, &tmp_bstr);
-    todo_wine ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
-    if (SUCCEEDED(hr))
-        ok(!lstrcmpW(tmp_bstr, L""), "Unexpected BSTR %s\n", wine_dbgstr_w(tmp_bstr));
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    ok(!lstrcmpW(tmp_bstr, L""), "Unexpected BSTR %s\n", wine_dbgstr_w(tmp_bstr));
     SysFreeString(tmp_bstr);
 
     tmp_bstr = NULL;
     hr = IUIAutomationElement_get_CachedName(element3, &tmp_bstr);
-    todo_wine ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
-    if (SUCCEEDED(hr))
-        ok(!lstrcmpW(tmp_bstr, uia_bstr_prop_str), "Unexpected BSTR %s\n", wine_dbgstr_w(tmp_bstr));
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    ok(!lstrcmpW(tmp_bstr, uia_bstr_prop_str), "Unexpected BSTR %s\n", wine_dbgstr_w(tmp_bstr));
     SysFreeString(tmp_bstr);
 
     /* Cached UIA_ControlTypePropertyId. */

dlls/uiautomationcore/uia_com_client.c

@@ -2424,8 +2424,25 @@ static HRESULT WINAPI uia_element_get_CachedLocalizedControlType(IUIAutomationEl
 
 static HRESULT WINAPI uia_element_get_CachedName(IUIAutomationElement9 *iface, BSTR *ret_val)
 {
-    FIXME("%p: stub\n", iface);
-    return E_NOTIMPL;
+    struct uia_element *element = impl_from_IUIAutomationElement9(iface);
+    struct uia_cache_property *cache_prop = NULL;
+    const int prop_id = UIA_NamePropertyId;
+
+    TRACE("%p, %p\n", iface, ret_val);
+
+    if (!ret_val)
+        return E_POINTER;
+
+    if (!(cache_prop = bsearch(&prop_id, element->cached_props, element->cached_props_count, sizeof(*cache_prop),
+            uia_cached_property_id_compare)))
+        return E_INVALIDARG;
+
+    if ((V_VT(&cache_prop->prop_val) == VT_BSTR) && V_BSTR(&cache_prop->prop_val))
+        *ret_val = SysAllocString(V_BSTR(&cache_prop->prop_val));
+    else
+        *ret_val = SysAllocString(L"");
+
+    return S_OK;
 }
 
 static HRESULT WINAPI uia_element_get_CachedAcceleratorKey(IUIAutomationElement9 *iface, BSTR *ret_val)