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Issue 2001393004: TypedArray: Make byteOffset, byteLength, and length properties configurable (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Remove passing tests from test262.status Created 4 years, 6 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Flags: --allow-natives-syntax 5 // Flags: --allow-natives-syntax
6 6
7 var a = new Int32Array(100); 7 var a = new Int32Array(100);
8 a.__proto__ = null; 8 a.__proto__ = null;
9 9
10 function get(a) { 10 function get(a) {
(...skipping 90 matching lines...) Expand 10 before | Expand all | Expand 10 after
101 return a.length; 101 return a.length;
102 } 102 }
103 103
104 assertEquals("blah", get(a)); 104 assertEquals("blah", get(a));
105 assertEquals("blah", get(a)); 105 assertEquals("blah", get(a));
106 assertEquals("blah", get(a)); 106 assertEquals("blah", get(a));
107 %OptimizeFunctionOnNextCall(get); 107 %OptimizeFunctionOnNextCall(get);
108 assertEquals("blah", get(a)); 108 assertEquals("blah", get(a));
109 })(); 109 })();
110 110
111 // Ensure we cannot delete length, byteOffset, byteLength. 111 // Ensure we can delete length, byteOffset, byteLength.
112 assertTrue(Int32Array.prototype.__proto__.hasOwnProperty("length")); 112 assertTrue(Int32Array.prototype.__proto__.hasOwnProperty("length"));
113 assertTrue(Int32Array.prototype.__proto__.hasOwnProperty("byteOffset")); 113 assertTrue(Int32Array.prototype.__proto__.hasOwnProperty("byteOffset"));
114 assertTrue(Int32Array.prototype.__proto__.hasOwnProperty("byteLength")); 114 assertTrue(Int32Array.prototype.__proto__.hasOwnProperty("byteLength"));
115 assertFalse(delete Int32Array.prototype.__proto__.length); 115 assertTrue(delete Int32Array.prototype.__proto__.length);
116 assertFalse(delete Int32Array.prototype.__proto__.byteOffset); 116 assertTrue(delete Int32Array.prototype.__proto__.byteOffset);
117 assertFalse(delete Int32Array.prototype.__proto__.byteLength); 117 assertTrue(delete Int32Array.prototype.__proto__.byteLength);
118 118
119 a = new Int32Array(100); 119 a = new Int32Array(100);
120 120
121 get = function(a) { 121 get = function(a) {
122 return a.length; 122 return a.length;
123 } 123 }
124 124
125 assertEquals(100, get(a)); 125 assertEquals(undefined, get(a));
126 assertEquals(100, get(a)); 126 assertEquals(undefined, get(a));
127 assertEquals(100, get(a)); 127 assertEquals(undefined, get(a));
128 %OptimizeFunctionOnNextCall(get); 128 %OptimizeFunctionOnNextCall(get);
129 assertEquals(100, get(a)); 129 assertEquals(undefined, get(a));
130 130
131 get = function(a) { 131 get = function(a) {
132 return a.byteLength; 132 return a.byteLength;
133 } 133 }
134 134
135 assertEquals(400, get(a)); 135 assertEquals(undefined, get(a));
136 assertEquals(400, get(a)); 136 assertEquals(undefined, get(a));
137 assertEquals(400, get(a)); 137 assertEquals(undefined, get(a));
138 %OptimizeFunctionOnNextCall(get); 138 %OptimizeFunctionOnNextCall(get);
139 assertEquals(400, get(a)); 139 assertEquals(undefined, get(a));
140 140
141 get = function(a) { 141 get = function(a) {
142 return a.byteOffset; 142 return a.byteOffset;
143 } 143 }
144 144
145 assertEquals(0, get(a)); 145 assertEquals(undefined, get(a));
146 assertEquals(0, get(a)); 146 assertEquals(undefined, get(a));
147 assertEquals(0, get(a)); 147 assertEquals(undefined, get(a));
148 %OptimizeFunctionOnNextCall(get); 148 %OptimizeFunctionOnNextCall(get);
149 assertEquals(0, get(a)); 149 assertEquals(undefined, get(a));
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