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Issue 2478613003: Revert of Import wpt@a99ba661fff2fb129894bdff21d63814d9b3f7e9 (Closed)
Patch Set: Created 4 years, 1 month ago
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1 <!DOCTYPE html>
2 <html>
3 <head>
4 <title>Custom Elements: Each element must have its own custom element reaction q ueue</title>
5 <meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
6 <meta name="assert" content="Each element must have its own custom element react ion queue">
7 <meta name="help" content="https://html.spec.whatwg.org/multipage/scripting.html #custom-element-reaction-queue">
8 <script src="/resources/testharness.js"></script>
9 <script src="/resources/testharnessreport.js"></script>
10 <script src="./resources/custom-elements-helpers.js"></script>
11 </head>
12 <body>
13 <div id="log"></div>
14 <script>
15
16 test_with_window(function (contentWindow) {
17 const contentDocument = contentWindow.document;
18 contentDocument.write('<test-element id="first-element">');
19 contentDocument.write('<test-element id="second-element">');
20
21 const element1 = contentDocument.getElementById('first-element');
22 const element2 = contentDocument.getElementById('second-element');
23 assert_equals(Object.getPrototypeOf(element1), contentWindow.HTMLElement.pro totype);
24 assert_equals(Object.getPrototypeOf(element2), contentWindow.HTMLElement.pro totype);
25
26 let log = [];
27 class TestElement extends contentWindow.HTMLElement {
28 constructor() {
29 super();
30 log.push(create_constructor_log(this));
31 }
32 connectedCallback(...args) {
33 log.push(create_connected_callback_log(this, ...args));
34 }
35 attributeChangedCallback(...args) {
36 log.push(create_attribute_changed_callback_log(this, ...args));
37 }
38 static get observedAttributes() { return ['id']; }
39 }
40 contentWindow.customElements.define('test-element', TestElement);
41 assert_equals(Object.getPrototypeOf(element1), TestElement.prototype);
42 assert_equals(Object.getPrototypeOf(element2), TestElement.prototype);
43
44 assert_equals(log.length, 6);
45 assert_constructor_log_entry(log[0], element1);
46 assert_attribute_log_entry(log[1], {name: 'id', oldValue: null, newValue: 'f irst-element', namespace: null});
47 assert_connected_log_entry(log[2], element1);
48 assert_constructor_log_entry(log[3], element2);
49 assert_attribute_log_entry(log[4], {name: 'id', oldValue: null, newValue: 's econd-element', namespace: null});
50 assert_connected_log_entry(log[5], element2);
51 }, 'Upgrading a custom element must invoke attributeChangedCallback and connecte dCallback before start upgrading another element');
52
53 test_with_window(function (contentWindow) {
54 const contentDocument = contentWindow.document;
55 contentDocument.write('<test-element id="first-element">');
56 contentDocument.write('<test-element id="second-element">');
57
58 const element1 = contentDocument.getElementById('first-element');
59 const element2 = contentDocument.getElementById('second-element');
60 assert_equals(Object.getPrototypeOf(element1), contentWindow.HTMLElement.pro totype);
61 assert_equals(Object.getPrototypeOf(element2), contentWindow.HTMLElement.pro totype);
62
63 let log = [];
64 class TestElement extends contentWindow.HTMLElement {
65 constructor() {
66 super();
67 log.push(create_constructor_log(this));
68 if (this == element1) {
69 element2.setAttribute('title', 'hi');
70 element2.removeAttribute('title');
71 element2.setAttribute('class', 'foo');
72 }
73 }
74 connectedCallback(...args) {
75 log.push(create_connected_callback_log(this, ...args));
76 }
77 attributeChangedCallback(...args) {
78 log.push(create_attribute_changed_callback_log(this, ...args));
79 }
80 static get observedAttributes() { return ['id', 'class', 'title']; }
81 }
82 contentWindow.customElements.define('test-element', TestElement);
83 assert_equals(Object.getPrototypeOf(element1), TestElement.prototype);
84 assert_equals(Object.getPrototypeOf(element2), TestElement.prototype);
85
86 assert_equals(log.length, 7);
87 assert_constructor_log_entry(log[0], element1);
88 assert_attribute_log_entry(log[1], {name: 'id', oldValue: null, newValue: 'f irst-element', namespace: null});
89 assert_connected_log_entry(log[2], element1);
90 assert_constructor_log_entry(log[3], element2);
91 assert_attribute_log_entry(log[4], {name: 'id', oldValue: null, newValue: 's econd-element', namespace: null});
92 assert_attribute_log_entry(log[5], {name: 'class', oldValue: null, newValue: 'foo', namespace: null});
93 assert_connected_log_entry(log[6], element2);
94 }, 'Mutating a undefined custom element while upgrading a custom element must no t enqueue or invoke reactions on the mutated element');
95
96 test_with_window(function (contentWindow) {
97 let log = [];
98 let element1;
99 let element2;
100 class TestElement extends contentWindow.HTMLElement {
101 constructor() {
102 super();
103 log.push(create_constructor_log(this));
104 }
105 adoptedCallback(...args) {
106 log.push(create_adopted_callback_log(this, ...args));
107 if (this == element1)
108 element3.setAttribute('id', 'foo');
109 }
110 connectedCallback(...args) {
111 log.push(create_connected_callback_log(this, ...args));
112 }
113 attributeChangedCallback(...args) {
114 log.push(create_attribute_changed_callback_log(this, ...args));
115 }
116 static get observedAttributes() { return ['id', 'class']; }
117 }
118
119 contentWindow.customElements.define('test-element', TestElement);
120
121 let contentDocument = contentWindow.document;
122 element1 = contentDocument.createElement('test-element');
123 element2 = contentDocument.createElement('test-element');
124 element3 = contentDocument.createElement('test-element');
125 assert_equals(Object.getPrototypeOf(element1), TestElement.prototype);
126 assert_equals(Object.getPrototypeOf(element2), TestElement.prototype);
127 assert_equals(Object.getPrototypeOf(element3), TestElement.prototype);
128
129 assert_equals(log.length, 3);
130 assert_constructor_log_entry(log[0], element1);
131 assert_constructor_log_entry(log[1], element2);
132 assert_constructor_log_entry(log[2], element3);
133 log = [];
134
135 const container = contentDocument.createElement('div');
136 container.appendChild(element1);
137 container.appendChild(element2);
138 container.appendChild(element3);
139
140 const anotherDocument = document.implementation.createHTMLDocument();
141 anotherDocument.documentElement.appendChild(container);
142
143 assert_equals(log.length, 7);
144 assert_adopted_log_entry(log[0], element1);
145 assert_adopted_log_entry(log[1], element3);
146 assert_connected_log_entry(log[2], element3);
147 assert_attribute_log_entry(log[3], {name: 'id', oldValue: null, newValue: 'f oo', namespace: null});
148 assert_connected_log_entry(log[4], element1);
149 assert_adopted_log_entry(log[5], element2);
150 assert_connected_log_entry(log[6], element2);
151
152 }, 'Mutating another custom element inside adopted callback must invoke all pend ing callbacks on the mutated element');
153
154
155 </script>
156 </body>
157 </html>
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