third_party/WebKit/LayoutTests/imported/wpt/dom/collections/HTMLCollection-supported-property-indices.html - Issue 2408203002: Reland of Import wpt@357b83b809e3cbc7a1805e7c3ca108a7980d782f

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Issue 2408203002: Reland of Import wpt@357b83b809e3cbc7a1805e7c3ca108a7980d782f (Closed)

Patch Set: Expect failure sometimes for pointerevent_element_haspointercapture-manual.html since it failed on … Created 4 years, 2 months ago

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1 <!doctype html>	1 <!doctype html>

2 <meta charset=utf-8>	2 <meta charset=utf-8>

3 <title></title>	3 <title></title>

4 <script src=/resources/testharness.js></script>	4 <script src=/resources/testharness.js></script>

5 <script src=/resources/testharnessreport.js></script>	5 <script src=/resources/testharnessreport.js></script>

6 <!-- We want to use a tag name that will not interact with our test harness,	6 <!-- We want to use a tag name that will not interact with our test harness,

7 so just make one up. "foo" is a good one -->	7 so just make one up. "foo" is a good one -->

8	8

9 <!-- Ids that look like negative indices. These should come first, so we can	9 <!-- Ids that look like negative indices. These should come first, so we can

10 assert that lookups for nonnegative indices find these by index -->	10 assert that lookups for nonnegative indices find these by index -->

(...skipping 79 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
90 assert_equals(collection.namedItem(4294967296),	90 assert_equals(collection.namedItem(4294967296),

91 document.getElementById("4294967296"));	91 document.getElementById("4294967296"));

92 assert_equals(collection.namedItem(4294967297),	92 assert_equals(collection.namedItem(4294967297),

93 document.getElementById("4294967297"));	93 document.getElementById("4294967297"));

94 assert_equals(collection[4294967293], undefined);	94 assert_equals(collection[4294967293], undefined);

95 assert_equals(collection[4294967294], undefined);	95 assert_equals(collection[4294967294], undefined);

96 assert_equals(collection[4294967295], document.getElementById("4294967295"));	96 assert_equals(collection[4294967295], document.getElementById("4294967295"));

97 assert_equals(collection[4294967296], document.getElementById("4294967296"));	97 assert_equals(collection[4294967296], document.getElementById("4294967296"));

98 assert_equals(collection[4294967297], document.getElementById("4294967297"));	98 assert_equals(collection[4294967297], document.getElementById("4294967297"));

99 }, "Handling of property names that look like integers around 2^32");	99 }, "Handling of property names that look like integers around 2^32");

	100

	101 test(function() {

	102 var elements = document.getElementsByTagName("foo");

	103 var old_item = elements[0];

	104 var old_desc = Object.getOwnPropertyDescriptor(elements, 0);

	105 assert_equals(old_desc.value, old_item);

	106 assert_true(old_desc.enumerable);

	107 assert_true(old_desc.configurable);

	108 assert_false(old_desc.writable);

	109

	110 elements[0] = 5;

	111 assert_equals(elements[0], old_item);

	112 assert_throws(new TypeError(), function() {

	113 "use strict";

	114 elements[0] = 5;

	115 });

	116 assert_throws(new TypeError(), function() {

	117 Object.defineProperty(elements, 0, { value: 5 });

	118 });

	119

	120 delete elements[0];

	121 assert_equals(elements[0], old_item);

	122

	123 assert_throws(new TypeError(), function() {

	124 "use strict";

	125 delete elements[0];

	126 });

	127 assert_equals(elements[0], old_item);

	128 }, 'Trying to set an expando that would shadow an already-existing indexed prope rty');

	129

	130 test(function() {

	131 var elements = document.getElementsByTagName("foo");

	132 var idx = elements.length;

	133 var old_item = elements[idx];

	134 var old_desc = Object.getOwnPropertyDescriptor(elements, idx);

	135 assert_equals(old_item, undefined);

	136 assert_equals(old_desc, undefined);

	137

	138 // [[DefineOwnProperty]] will disallow defining an indexed expando.

	139 elements[idx] = 5;

	140 assert_equals(elements[idx], undefined);

	141 assert_throws(new TypeError(), function() {

	142 "use strict";

	143 elements[idx] = 5;

	144 });

	145 assert_throws(new TypeError(), function() {

	146 Object.defineProperty(elements, idx, { value: 5 });

	147 });

	148

	149 // Check that deletions out of range do not throw

	150 delete elements[idx];

	151 (function() {

	152 "use strict";

	153 delete elements[idx];

	154 })();

	155 }, 'Trying to set an expando with an indexed property name past the end of the l ist');

	156

	157 test(function(){

	158 var elements = document.getElementsByTagName("foo");

	159 var old_item = elements[0];

	160 var old_desc = Object.getOwnPropertyDescriptor(elements, 0);

	161 assert_equals(old_desc.value, old_item);

	162 assert_true(old_desc.enumerable);

	163 assert_true(old_desc.configurable);

	164 assert_false(old_desc.writable);

	165

	166 Object.prototype[0] = 5;

	167 this.add_cleanup(function () { delete Object.prototype[0]; });

	168 assert_equals(elements[0], old_item);

	169

	170 delete elements[0];

	171 assert_equals(elements[0], old_item);

	172

	173 assert_throws(new TypeError(), function() {

	174 "use strict";

	175 delete elements[0];

	176 });

	177 assert_equals(elements[0], old_item);

	178 }, 'Trying to delete an indexed property name should never work');

100 </script>	179 </script>

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