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Unified Diff: third_party/WebKit/LayoutTests/accessibility/aom.html

Issue 2791943002: Re-land: Initial skeleton of Accessibility Object Model Phase 1 (Closed)
Patch Set: Fix for crash with test Created 3 years, 9 months ago
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Index: third_party/WebKit/LayoutTests/accessibility/aom.html
diff --git a/third_party/WebKit/LayoutTests/accessibility/aom.html b/third_party/WebKit/LayoutTests/accessibility/aom.html
new file mode 100644
index 0000000000000000000000000000000000000000..c77de58b0073e0c4b805175188f0138cc2d43e33
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/accessibility/aom.html
@@ -0,0 +1,196 @@
+<!DOCTYPE HTML>
+<script src="../resources/gc.js"></script>
+<script src="../resources/testharness.js"></script>
+<script src="../resources/testharnessreport.js"></script>
+
+<!--
+
+Accessibility Object Model
+Explainer: https://github.com/WICG/aom/blob/master/explainer.md
+Spec: https://wicg.github.io/aom/spec/
+
+-->
+
+<button id="button">Click Me</button>
+
+<script>
+if (window.internals)
+ internals.runtimeFlags.accessibilityObjectModelEnabled = true;
+
+test(function(t) {
+ var button = document.getElementById("button");
+ assert_equals(button.nodeType, Node.ELEMENT_NODE);
+ assert_not_equals(button.accessibleNode, null);
+}, "DOM Elements have an AccessibleNode");
+
+test(function(t) {
+ var button = document.getElementById("button");
+ var staticText = button.firstChild;
+ assert_equals(staticText.nodeType, Node.TEXT_NODE);
+ assert_not_equals(staticText.accessibleNode, null);
+}, "DOM Text nodes do not have an AccessibleNode.");
+
+test(function(t) {
+ var button = document.getElementById("button");
+ var aomButton = button.accessibleNode;
+
+ assert_equals(aomButton.role, null);
+ assert_equals(aomButton.label, null);
+ assert_equals(aomButton.foo, undefined);
+ assert_equals(aomButton.bar, undefined);
+}, "Supported properties on an AccessibleNode are all null by default");
+
+test(function(t) {
+ var button = document.getElementById("button");
+ var aomButton = button.accessibleNode;
+ var axButton = accessibilityController.accessibleElementById("button");
+
+ button.setAttribute("role", "checkbox");
+ button.setAttribute("aria-label", "Check Me");
+
+ assert_equals(axButton.role, "AXRole: AXCheckBox");
+ assert_equals(axButton.name, "Check Me");
+
+ assert_equals(aomButton.role, "checkbox");
+ assert_equals(aomButton.label, "Check Me");
+}, "ARIA attributes are reflected into AOM properties");
+
+test(function(t) {
+ var button = document.getElementById("button");
+ var aomButton = button.accessibleNode;
+ var axButton = accessibilityController.accessibleElementById("button");
+
+ button.setAttribute("role", "beyonce");
+
+ assert_equals(axButton.role, "AXRole: AXButton");
+
+ assert_equals(aomButton.role, "beyonce");
+}, "Invalid ARIA roles are still reflected into AOM properties");
+
+test(function(t) {
+ var button = document.getElementById("button");
+ var aomButton = button.accessibleNode;
+ var axButton = accessibilityController.accessibleElementById("button");
+
+ aomButton.role = "slider";
+ assert_equals(aomButton.role, "slider");
+ assert_equals(axButton.role, "AXRole: AXSlider");
+}, "Test setting AccessibleNode.role");
+
+test(function(t) {
+ var button = document.getElementById("button");
+ var aomButton = button.accessibleNode;
+ var axButton = accessibilityController.accessibleElementById("button");
+
+ button.removeAttribute("role");
+ aomButton.role = null;
+ assert_equals(aomButton.role, null);
+ assert_equals(axButton.role, "AXRole: AXButton");
+
+ aomButton.role = "doctor";
+ assert_equals(aomButton.role, "doctor");
+ assert_equals(axButton.role, "AXRole: AXButton");
+}, "An invalid role should be ignored if there's no ARIA.");
+
+test(function(t) {
+ var button = document.getElementById("button");
+ var aomButton = button.accessibleNode;
+ var axButton = accessibilityController.accessibleElementById("button");
+
+ aomButton.role = "switch checkbox";
+ assert_equals(aomButton.role, "switch checkbox");
+ assert_equals(axButton.role, "AXRole: AXSwitch");
+
+ aomButton.role = "tickbox checkbox";
+ assert_equals(aomButton.role, "tickbox checkbox");
+ assert_equals(axButton.role, "AXRole: AXCheckBox");
+}, "Fallback roles are supported.");
+
+test(function(t) {
+ var button = document.getElementById("button");
+ var aomButton = button.accessibleNode;
+ var axButton = accessibilityController.accessibleElementById("button");
+
+ button.removeAttribute("aria-label");
+ aomButton.label = "New Label";
+ assert_equals(aomButton.label, "New Label");
+ assert_equals(axButton.name, "New Label");
+}, "Test setting AccessibleNode.label");
+</script>
+
+<button id="button2">Click Me</button>
+
+<script>
+test(function(t) {
+ var button = document.getElementById("button2");
+ var aomButton = button.accessibleNode;
+ var axButton = accessibilityController.accessibleElementById("button2");
+
+ button.setAttribute("role", "textbox");
+ button.setAttribute("aria-label", "ARIA");
+ assert_equals(axButton.role, "AXRole: AXTextField");
+ assert_equals(axButton.name, "ARIA");
+
+ aomButton.role = "radio";
+ aomButton.label = "AOM";
+ assert_equals(axButton.role, "AXRole: AXRadioButton");
+ assert_equals(axButton.name, "AOM");
+}, "Test that AOM properties override ARIA attributes");
+</script>
+
+<button id="button3">Click Me</button>
+
+<script>
+test(function(t) {
+ var button = document.getElementById("button3");
+ var aomButton = button.accessibleNode;
+ var axButton = accessibilityController.accessibleElementById("button3");
+ assert_equals(axButton.role, "AXRole: AXButton");
+ assert_equals(axButton.name, "Click Me");
+
+ button.setAttribute("role", "textbox");
+ button.setAttribute("aria-label", "ARIA");
+ assert_equals(axButton.role, "AXRole: AXTextField");
+ assert_equals(axButton.name, "ARIA");
+
+ aomButton.role = "radio";
+ aomButton.label = "AOM";
+ assert_equals(axButton.role, "AXRole: AXRadioButton");
+ assert_equals(axButton.name, "AOM");
+
+ aomButton.role = null;
+ aomButton.label = null;
+ assert_equals(axButton.role, "AXRole: AXButton");
+ assert_equals(axButton.name, "Click Me");
+
+ button.setAttribute("role", "combobox");
+ button.setAttribute("aria-label", "ARIA 2");
+ assert_equals(axButton.role, "AXRole: AXButton");
+ assert_equals(axButton.name, "Click Me");
+}, "Once an AOM property has been set, ARIA no longer has any effect");
+</script>
+
+<button id="button4">Click Me</button>
+
+<script>
+test(function(t) {
+ var aomButton;
+ (function() {
+ var button = document.getElementById("button4");
+ button.setAttribute("role", "checkbox");
+ button.setAttribute("aria-label", "Check Me");
+ aomButton = button.accessibleNode;
+ })();
+ assert_equals(aomButton.role, "checkbox");
+ assert_equals(aomButton.label, "Check Me");
+
+ (function() {
+ var button = document.getElementById("button4");
+ button.parentElement.removeChild(button);
+ })();
+ gc();
+
+ assert_equals(aomButton.role, "checkbox");
+ assert_equals(aomButton.label, "Check Me");
+}, "An AccessibleNode keeps its element alive.");
+</script>
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