Port some AOM tests from LayoutTests to SimTests.

third_party/WebKit/Source/web/tests/AccessibilityObjectModelTest.cpp

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "core/dom/AccessibleNode.h"
+#include "core/html/HTMLBodyElement.h"
+#include "modules/accessibility/AXObjectCacheImpl.h"
+#include "platform/testing/RuntimeEnabledFeaturesTestHelpers.h"
+#include "web/tests/sim/SimRequest.h"
+#include "web/tests/sim/SimTest.h"
+
+namespace blink {
+
+namespace {
+
+class AccessibilityObjectModelTest
+    : public SimTest,
+      public ScopedAccessibilityObjectModelForTest {
+ public:
+  AccessibilityObjectModelTest()
+      : ScopedAccessibilityObjectModelForTest(true) {}
+
+ protected:
+  AXObjectCacheImpl* AXObjectCache() {
+    GetDocument().GetSettings()->SetAccessibilityEnabled(true);
+    return static_cast<AXObjectCacheImpl*>(GetDocument().AxObjectCache());
+  }
+};
+
+TEST_F(AccessibilityObjectModelTest, DOMElementsHaveAnAccessibleNode) {
+  SimRequest main_resource("https://example.com/", "text/html");
+  LoadURL("https://example.com/");
+  main_resource.Complete("<button id=button>Click me</button>");
+
+  auto* button = GetDocument().getElementById("button");
+  EXPECT_NE(nullptr, button->accessibleNode());
+  EXPECT_TRUE(button->accessibleNode()->role().IsNull());
+  EXPECT_TRUE(button->accessibleNode()->label().IsNull());
+}
+
+TEST_F(AccessibilityObjectModelTest, SetAccessibleNodeRole) {
+  SimRequest main_resource("https://example.com/", "text/html");
+  LoadURL("https://example.com/");
+  main_resource.Complete("<button id=button>Click me</button>");
+
+  auto* cache = AXObjectCache();
+  ASSERT_NE(nullptr, cache);
+
+  auto* button = GetDocument().getElementById("button");
+  ASSERT_NE(nullptr, button);
+
+  auto* axButton = cache->GetOrCreate(button);
+  EXPECT_EQ(kButtonRole, axButton->RoleValue());
+
+  button->accessibleNode()->setRole("slider");
+  EXPECT_EQ("slider", button->accessibleNode()->role());
+
+  EXPECT_EQ(kSliderRole, axButton->RoleValue());
+}
+
+}  // namespace
+
+}  // namespace blink