зеркало из https://github.com/mozilla/gecko-dev.git
97 строки
4.8 KiB
HTML
97 строки
4.8 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>Custom Elements: CEReactions on DOMStringMap interface</title>
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<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
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<meta name="assert" content="setter and deleter of DOMStringMap interface must have CEReactions">
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<meta name="help" content="https://html.spec.whatwg.org/#domstringmap">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="../resources/custom-elements-helpers.js"></script>
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<script src="./resources/reactions.js"></script>
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</head>
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<body>
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<div id="log"></div>
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<script>
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test(function () {
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var element = define_new_custom_element(['data-foo']);
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var instance = document.createElement(element.name);
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assert_array_equals(element.takeLog().types(), ['constructed']);
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instance.dataset.foo = 'bar';
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var logEntries = element.takeLog();
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assert_array_equals(logEntries.types(), ['attributeChanged']);
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assert_attribute_log_entry(logEntries.last(), {name: 'data-foo', oldValue: null, newValue: 'bar', namespace: null});
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}, 'setter on DOMStringMap must enqueue an attributeChanged reaction when adding an observed data attribute');
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test(function () {
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var element = define_new_custom_element(['data-bar']);
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var instance = document.createElement(element.name);
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assert_array_equals(element.takeLog().types(), ['constructed']);
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instance.dataset.foo = 'bar';
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assert_array_equals(element.takeLog().types(), []);
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}, 'setter on DOMStringMap must not enqueue an attributeChanged reaction when adding an unobserved data attribute');
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test(function () {
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var element = define_new_custom_element(['data-foo']);
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var instance = document.createElement(element.name);
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instance.dataset.foo = 'bar';
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assert_array_equals(element.takeLog().types(), ['constructed', 'attributeChanged']);
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instance.dataset.foo = 'baz';
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var logEntries = element.takeLog();
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assert_array_equals(logEntries.types(), ['attributeChanged']);
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assert_attribute_log_entry(logEntries.last(), {name: 'data-foo', oldValue: 'bar', newValue: 'baz', namespace: null});
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}, 'setter on DOMStringMap must enqueue an attributeChanged reaction when mutating the value of an observed data attribute');
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test(function () {
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var element = define_new_custom_element(['data-foo']);
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var instance = document.createElement(element.name);
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instance.dataset.foo = 'bar';
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assert_array_equals(element.takeLog().types(), ['constructed', 'attributeChanged']);
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instance.dataset.foo = 'bar';
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var logEntries = element.takeLog();
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assert_array_equals(logEntries.types(), ['attributeChanged']);
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assert_attribute_log_entry(logEntries.last(), {name: 'data-foo', oldValue: 'bar', newValue: 'bar', namespace: null});
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}, 'setter on DOMStringMap must enqueue an attributeChanged reaction when mutating the value of an observed data attribute to the same value');
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test(function () {
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var element = define_new_custom_element(['data-zero']);
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var instance = document.createElement(element.name);
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instance.dataset.foo = 'bar';
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assert_array_equals(element.takeLog().types(), ['constructed']);
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instance.dataset.foo = 'baz';
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assert_array_equals(element.takeLog().types(), []);
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}, 'setter on DOMStringMap must not enqueue an attributeChanged reaction when mutating the value of an unobserved data attribute');
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test(function () {
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var element = define_new_custom_element(['data-foo']);
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var instance = document.createElement(element.name);
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instance.dataset.foo = 'bar';
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assert_array_equals(element.takeLog().types(), ['constructed', 'attributeChanged']);
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delete instance.dataset.foo;
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var logEntries = element.takeLog();
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assert_array_equals(logEntries.types(), ['attributeChanged']);
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assert_attribute_log_entry(logEntries.last(), {name: 'data-foo', oldValue: 'bar', newValue: null, namespace: null});
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}, 'deleter on DOMStringMap must enqueue an attributeChanged reaction when removing an observed data attribute');
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test(function () {
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var element = define_new_custom_element(['data-bar']);
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var instance = document.createElement(element.name);
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instance.dataset.foo = 'bar';
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assert_array_equals(element.takeLog().types(), ['constructed']);
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delete instance.dataset.foo;
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assert_array_equals(element.takeLog().types(), []);
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}, 'deleter on DOMStringMap must not enqueue an attributeChanged reaction when removing an unobserved data attribute');
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test(function () {
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var element = define_new_custom_element(['data-foo']);
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var instance = document.createElement(element.name);
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assert_array_equals(element.takeLog().types(), ['constructed']);
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delete instance.dataset.foo;
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assert_array_equals(element.takeLog().types(), []);
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}, 'deleter on DOMStringMap must not enqueue an attributeChanged reaction when it does not remove a data attribute');
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</script>
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</body>
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</html>
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