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AriaMixin-element-attributes.html
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<!DOCTYPE html>
<html>
<head>
<title>Custom Elements: CEReactions on Element interface</title>
<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
<meta name="assert" content="Element attributes of AriaAttributes interface must have CEReactions">
<meta name="help" content="https://dom.spec.whatwg.org/#element">
<meta name="help" content="https://w3c.github.io/DOM-Parsing/">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../resources/custom-elements-helpers.js"></script>
<script src="./resources/reactions.js"></script>
</head>
<body>
<div id="log"></div>
<div id="parentElement"></div>
<script>
function testElementReflectAttribute(jsAttributeName, contentAttributeName, validValue1, validValue2, name, getParentElement) {
test(function () {
let element = define_new_custom_element([contentAttributeName]);
let instance = document.createElement(element.name);
assert_array_equals(element.takeLog().types(), ['constructed']);
parentElement.appendChild(instance);
assert_array_equals(element.takeLog().types(), ['connected']);
instance[jsAttributeName] = validValue1;
let logEntries = element.takeLog();
assert_array_equals(logEntries.types(), ['attributeChanged']);
assert_attribute_log_entry(logEntries.last(), {name: contentAttributeName, oldValue: null, newValue: "", namespace: null});
}, name + ' must enqueue an attributeChanged reaction when adding ' + contentAttributeName + ' content attribute');
test(function () {
let element = define_new_custom_element([contentAttributeName]);
let instance = document.createElement(element.name);
parentElement.appendChild(instance);
instance[jsAttributeName] = validValue1;
assert_array_equals(element.takeLog().types(), ['constructed', 'connected', 'attributeChanged']);
instance[jsAttributeName] = validValue2;
var logEntries = element.takeLog();
assert_array_equals(logEntries.types(), ['attributeChanged']);
assert_attribute_log_entry(logEntries.last(), {name: contentAttributeName, oldValue: "", newValue: "", namespace: null});
}, name + ' must enqueue an attributeChanged reaction when replacing an existing attribute');
}
const dummy1 = document.createElement('div');
dummy1.id = 'dummy1';
document.body.appendChild(dummy1);
const dummy2 = document.createElement('div');
dummy2.id = 'dummy2';
document.body.appendChild(dummy2);
testElementReflectAttribute('ariaActiveDescendantElement', 'aria-activedescendant', dummy1, dummy2, 'ariaActiveDescendantElement in Element');
testElementReflectAttribute('ariaControlsElements', 'aria-controls', [dummy1], [dummy2], 'ariaControlsElements in Element');
testElementReflectAttribute('ariaDescribedByElements', 'aria-describedby', [dummy1], [dummy2], 'ariaDescribedByElements in Element');
testElementReflectAttribute('ariaDetailsElements', 'aria-details', [dummy1], [dummy2], 'ariaDetailsElements in Element');
testElementReflectAttribute('ariaErrorMessageElements', 'aria-errormessage', [dummy1], [dummy2], 'ariaErrorMessageElements in Element');
testElementReflectAttribute('ariaFlowToElements', 'aria-flowto', [dummy1], [dummy2], 'ariaFlowToElements in Element');
testElementReflectAttribute('ariaLabelledByElements', 'aria-labelledby', [dummy1], [dummy2], 'ariaLabelledByElements in Element')
testElementReflectAttribute('ariaOwnsElements', 'aria-owns', [dummy1], [dummy2], 'ariaOwnsElements in Element')
</script>
</body>
</html>