Boolean properties for Accessibility Object Model Phase 1

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"
@@ skipping 40 matching lines @@
 
   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());
 }
 
+TEST_F(AccessibilityObjectModelTest, AOMDoesNotReflectARIA) {
+  SimRequest main_resource("https://example.com/", "text/html");
+  LoadURL("https://example.com/");
+  main_resource.Complete("<input id=textbox>");
+
+  // Set ARIA attributes.
+  auto* textbox = GetDocument().getElementById("textbox");
+  ASSERT_NE(nullptr, textbox);
+  textbox->setAttribute("role", "combobox");
+  textbox->setAttribute("aria-label", "Combo");
+  textbox->setAttribute("aria-disabled", "true");
+
+  // Assert that the ARIA attributes affect the AX object.
+  auto* cache = AXObjectCache();
+  ASSERT_NE(nullptr, cache);
+  auto* axTextBox = cache->GetOrCreate(textbox);
+  EXPECT_EQ(kComboBoxRole, axTextBox->RoleValue());
+  AXNameFrom name_from;
+  AXObjectImpl::AXObjectVector name_objects;
+  EXPECT_EQ("Combo", axTextBox->GetName(name_from, &name_objects));
+  EXPECT_FALSE(axTextBox->IsEnabled());
+
+  // The AOM properties should still all be null.
+  EXPECT_EQ(nullptr, textbox->accessibleNode()->role());
+  EXPECT_EQ(nullptr, textbox->accessibleNode()->label());
+  bool is_null = false;
+  EXPECT_FALSE(textbox->accessibleNode()->disabled(is_null));
+  EXPECT_TRUE(is_null);
+}
+
+TEST_F(AccessibilityObjectModelTest, AOMPropertiesCanBeCleared) {
+  SimRequest main_resource("https://example.com/", "text/html");
+  LoadURL("https://example.com/");
+  main_resource.Complete("<input type=button id=button>");
+
+  // Set ARIA attributes.
+  auto* button = GetDocument().getElementById("button");
+  ASSERT_NE(nullptr, button);
+  button->setAttribute("role", "checkbox");
+  button->setAttribute("aria-label", "Check");
+  button->setAttribute("aria-disabled", "true");
+
+  // Assert that the AX object was affected by ARIA attributes.
+  auto* cache = AXObjectCache();
+  ASSERT_NE(nullptr, cache);
+  auto* axButton = cache->GetOrCreate(button);
+  EXPECT_EQ(kCheckBoxRole, axButton->RoleValue());
+  AXNameFrom name_from;
+  AXObjectImpl::AXObjectVector name_objects;
+  EXPECT_EQ("Check", axButton->GetName(name_from, &name_objects));
+  EXPECT_FALSE(axButton->IsEnabled());
+
+  // Now set the AOM properties to override.
+  button->accessibleNode()->setRole("radio");
+  button->accessibleNode()->setLabel("Radio");
+  button->accessibleNode()->setDisabled(false, false);
+
+  // Assert that the AX object was affected by AOM properties.
+  EXPECT_EQ(kRadioButtonRole, axButton->RoleValue());
+  EXPECT_EQ("Radio", axButton->GetName(name_from, &name_objects));
+  EXPECT_TRUE(axButton->IsEnabled());
+
+  // Null the AOM properties.
+  button->accessibleNode()->setRole(g_null_atom);
+  button->accessibleNode()->setLabel(g_null_atom);
+  button->accessibleNode()->setDisabled(false, true);
+
+  // The AX Object should now revert to ARIA.
+  EXPECT_EQ(kCheckBoxRole, axButton->RoleValue());
+  EXPECT_EQ("Check", axButton->GetName(name_from, &name_objects));
+  EXPECT_FALSE(axButton->IsEnabled());
+}
+
 }  // namespace
 
 }  // namespace blink