LayoutTests/accessibility/custom-elements/flowto.html

<!DOCTYPE html>
<html>
<body id="body">
<script src="../../resources/js-test.js"></script>
<script src="../../resources/accessibility-helper.js"></script>
<custom-element id="custom-1"></custom-element>
<custom-element id="custom-2" aria-flowto="flowto2" aria-labelledby="label2"></custom-element>
<div role="button" class="flowto">FlowTo1</div>
<div id="flowto2" role="button" class="flowto">FlowTo2</div>
<div class="label">label 1</div>
<div id="label2" class="label">label 2</div>
<script>

customElements.define('custom-element', class CustomElement extends HTMLElement {
    constructor()
    {
        super();
        const internals = this.attachInternals();
        internals.role = 'checkbox';
        internals.ariaFlowToElements = Array.from(document.querySelectorAll('.flowto'));
        internals.ariaLabelledByElements = Array.from(document.querySelectorAll('.label'));
    }
});

description("This tests that aria fallback roles work correctly.");
if (!window.accessibilityController)
    debug('This test requires accessibilityController');
else {
    shouldBeEqualToString('accessibilityController.accessibleElementById("custom-1").role', 'AXRole: AXCheckBox');
    shouldBeEqualToString('platformValueForW3CName(accessibilityController.accessibleElementById("custom-1"))', 'label 1 label 2');
    shouldBeEqualToString('accessibilityController.accessibleElementById("custom-1").ariaFlowToElementAtIndex(0).role', 'AXRole: AXButton');
    shouldBeEqualToString('accessibilityController.accessibleElementById("custom-1").ariaFlowToElementAtIndex(0).title', 'AXTitle: FlowTo1');
    shouldBeEqualToString('accessibilityController.accessibleElementById("custom-1").ariaFlowToElementAtIndex(1).role', 'AXRole: AXButton');
    shouldBeEqualToString('accessibilityController.accessibleElementById("custom-1").ariaFlowToElementAtIndex(1).title', 'AXTitle: FlowTo2');
    shouldBe('accessibilityController.accessibleElementById("custom-1").ariaFlowToElementAtIndex(2)', 'null');
    shouldBeEqualToString('accessibilityController.accessibleElementById("custom-2").role', 'AXRole: AXCheckBox');
    shouldBeEqualToString('platformValueForW3CName(accessibilityController.accessibleElementById("custom-2"))', 'label 2');
    shouldBeEqualToString('accessibilityController.accessibleElementById("custom-2").ariaFlowToElementAtIndex(0).role', 'AXRole: AXButton');
    shouldBeEqualToString('accessibilityController.accessibleElementById("custom-2").ariaFlowToElementAtIndex(0).title', 'AXTitle: FlowTo2');
    shouldBe('accessibilityController.accessibleElementById("custom-2").ariaFlowToElementAtIndex(1)', 'null');
}

</script>
</body>
</html>