mirror of
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136 lines
4.4 KiB
HTML
136 lines
4.4 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<link rel=help href=https://dom.spec.whatwg.org/#interface-htmlcollection>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<div id=log></div>
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<!-- with no attribute -->
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<span></span>
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<!-- with `id` attribute -->
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<span id=''></span>
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<span id='some-id'></span>
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<span id='some-id'></span><!-- to ensure no duplicates -->
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<!-- with `name` attribute -->
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<span name=''></span>
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<span name='some-name'></span>
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<span name='some-name'></span><!-- to ensure no duplicates -->
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<!-- with `name` and `id` attribute -->
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<span id='another-id' name='another-name'></span>
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<script>
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test(function () {
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var elements = document.getElementsByTagName("span");
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assert_array_equals(
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Object.getOwnPropertyNames(elements),
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['0', '1', '2', '3', '4', '5', '6', '7', 'some-id', 'some-name', 'another-id', 'another-name']
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);
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}, 'Object.getOwnPropertyNames on HTMLCollection');
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test(function () {
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var elem = document.createElementNS('some-random-namespace', 'foo');
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this.add_cleanup(function () {elem.remove();});
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elem.setAttribute("name", "some-name");
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document.body.appendChild(elem);
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var elements = document.getElementsByTagName("foo");
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assert_array_equals(Object.getOwnPropertyNames(elements), ['0']);
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}, 'Object.getOwnPropertyNames on HTMLCollection with non-HTML namespace');
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test(function () {
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var elem = document.createElement('foo');
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this.add_cleanup(function () {elem.remove();});
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document.body.appendChild(elem);
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var elements = document.getElementsByTagName("foo");
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elements.someProperty = "some value";
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assert_array_equals(Object.getOwnPropertyNames(elements), ['0', 'someProperty']);
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}, 'Object.getOwnPropertyNames on HTMLCollection with expando object');
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test(function() {
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var elements = document.getElementsByTagName("span");
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var old_item = elements["some-id"];
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var old_desc = Object.getOwnPropertyDescriptor(elements, "some-id");
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assert_equals(old_desc.value, old_item);
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assert_false(old_desc.enumerable);
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assert_true(old_desc.configurable);
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assert_false(old_desc.writable);
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elements["some-id"] = 5;
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assert_equals(elements["some-id"], old_item);
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assert_throws_js(TypeError, function() {
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"use strict";
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elements["some-id"] = 5;
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});
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assert_throws_js(TypeError, function() {
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Object.defineProperty(elements, "some-id", { value: 5 });
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});
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delete elements["some-id"];
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assert_equals(elements["some-id"], old_item);
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assert_throws_js(TypeError, function() {
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"use strict";
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delete elements["some-id"];
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});
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assert_equals(elements["some-id"], old_item);
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}, 'Trying to set an expando that would shadow an already-existing named property');
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test(function() {
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var elements = document.getElementsByTagName("span");
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var old_item = elements["new-id"];
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var old_desc = Object.getOwnPropertyDescriptor(elements, "new-id");
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assert_equals(old_item, undefined);
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assert_equals(old_desc, undefined);
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elements["new-id"] = 5;
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assert_equals(elements["new-id"], 5);
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var span = document.createElement("span");
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this.add_cleanup(function () {span.remove();});
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span.id = "new-id";
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document.body.appendChild(span);
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assert_equals(elements.namedItem("new-id"), span);
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assert_equals(elements["new-id"], 5);
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delete elements["new-id"];
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assert_equals(elements["new-id"], span);
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}, 'Trying to set an expando that shadows a named property that gets added later');
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test(function() {
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var elements = document.getElementsByTagName("span");
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var old_item = elements["new-id2"];
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var old_desc = Object.getOwnPropertyDescriptor(elements, "new-id2");
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assert_equals(old_item, undefined);
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assert_equals(old_desc, undefined);
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Object.defineProperty(elements, "new-id2", { configurable: false, writable:
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false, value: 5 });
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assert_equals(elements["new-id2"], 5);
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var span = document.createElement("span");
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this.add_cleanup(function () {span.remove();});
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span.id = "new-id2";
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document.body.appendChild(span);
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assert_equals(elements.namedItem("new-id2"), span);
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assert_equals(elements["new-id2"], 5);
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delete elements["new-id2"];
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assert_equals(elements["new-id2"], 5);
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assert_throws_js(TypeError, function() {
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"use strict";
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delete elements["new-id2"];
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});
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assert_equals(elements["new-id2"], 5);
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}, 'Trying to set a non-configurable expando that shadows a named property that gets added later');
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</script>
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