third_party/WebKit/LayoutTests/imported/wpt/custom-elements/htmlconstructor/newtarget.html - Issue 2468053002: Import wpt@9fcccf38b6be00f71ffa6bd6e29c5aa1ef25ee8c

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Issue 2468053002: Import wpt@9fcccf38b6be00f71ffa6bd6e29c5aa1ef25ee8c (Closed)

Patch Set: Skip cssom and svg/shapes, remove unwanted baseline Created 4 years, 1 month ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <title>Custom Elements: [HTMLConstructor] derives prototype from NewTarget</titl e>	2 <title>Custom Elements: [HTMLConstructor] derives prototype from NewTarget</titl e>

3 <meta name="author" title="Domenic Denicola" href="mailto:d@domenic.me">	3 <meta name="author" title="Domenic Denicola" href="mailto:d@domenic.me">

4 <meta name="help" content="https://html.spec.whatwg.org/multipage/dom.html#htmlc onstructor">	4 <meta name="help" content="https://html.spec.whatwg.org/multipage/dom.html#htmlc onstructor">

5 <script src="/resources/testharness.js"></script>	5 <script src="/resources/testharness.js"></script>

6 <script src="/resources/testharnessreport.js"></script>	6 <script src="/resources/testharnessreport.js"></script>

7 <script src="../resources/custom-elements-helpers.js"></script>	7 <script src="../resources/custom-elements-helpers.js"></script>

8 <body>	8 <body>

9 <script>	9 <script>

10 "use strict";	10 "use strict";

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94 });	94 });

95	95

96 [null, undefined, 5, "string"].forEach(function (notAnObject) {	96 [null, undefined, 5, "string"].forEach(function (notAnObject) {

97 test_with_window(w => {	97 test_with_window(w => {

98 // We have to return an object during define(), but not during super()	98 // We have to return an object during define(), but not during super()

99 let returnNotAnObject = false;	99 let returnNotAnObject = false;

100	100

101 function TestElement() {	101 function TestElement() {

102 const o = Reflect.construct(w.HTMLParagraphElement, [], new.target);	102 const o = Reflect.construct(w.HTMLParagraphElement, [], new.target);

103	103

104 assert_equals(Object.getPrototypeOf(o), window.HTMLParagraphElement,	104 assert_equals(Object.getPrototypeOf(o), window.HTMLParagraphElement.protot ype,

105 "Must use the HTMLParagraphElement from the realm of NewTarget");	105 "Must use the HTMLParagraphElement from the realm of NewTarget");

106 assert_not_equals(Object.getPrototypeOf(o), w.HTMLParagraphElement,	106 assert_not_equals(Object.getPrototypeOf(o), w.HTMLParagraphElement.prototy pe,

107 "Must not use the HTMLParagraphElement from the realm of the active func tion object (w.HTMLParagraphElement)");	107 "Must not use the HTMLParagraphElement from the realm of the active func tion object (w.HTMLParagraphElement)");

108	108

109 return o;	109 return o;

110 }	110 }

111	111

112 const ElementWithDynamicPrototype = new Proxy(TestElement, {	112 const ElementWithDynamicPrototype = new Proxy(TestElement, {

113 get: function (target, name) {	113 get: function (target, name) {

114 if (name == "prototype")	114 if (name == "prototype")

115 return returnNotAnObject ? notAnObject : {};	115 return returnNotAnObject ? notAnObject : {};

116 return target[name];	116 return target[name];

117 }	117 }

118 });	118 });

119	119

120 w.customElements.define("test-element", ElementWithDynamicPrototype, { exten ds: "p" });	120 w.customElements.define("test-element", ElementWithDynamicPrototype, { exten ds: "p" });

121	121

122 returnNotAnObject = true;	122 returnNotAnObject = true;

123 new ElementWithDynamicPrototype();	123 new ElementWithDynamicPrototype();

124 }, "If prototype is not object (" + notAnObject + "), derives the fallback fro m NewTarget's realm (customized built-in elements)");	124 }, "If prototype is not object (" + notAnObject + "), derives the fallback fro m NewTarget's realm (customized built-in elements)");

125 });	125 });

126	126

127 </script>	127 </script>

128 </body>	128 </body>

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