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Issue 2778623003: [typedarrays] Check detached buffer at start of typed array methods (Closed)
Patch Set: pass test262 for subarray Created 3 years, 8 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 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 typedArrayConstructors = [ 7 var typedArrayConstructors = [
8 Uint8Array, 8 Uint8Array,
9 Int8Array, 9 Int8Array,
10 Uint16Array, 10 Uint16Array,
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152 152
153 // Shadowing length doesn't affect every, unlike Array.prototype.every 153 // Shadowing length doesn't affect every, unlike Array.prototype.every
154 a = new constructor([1, 2]); 154 a = new constructor([1, 2]);
155 Object.defineProperty(a, 'length', {value: 1}); 155 Object.defineProperty(a, 'length', {value: 1});
156 var x = 0; 156 var x = 0;
157 assertEquals(a.every(function(elt) { x += elt; return true; }), true); 157 assertEquals(a.every(function(elt) { x += elt; return true; }), true);
158 assertEquals(x, 3); 158 assertEquals(x, 3);
159 assertEquals(Array.prototype.every.call(a, 159 assertEquals(Array.prototype.every.call(a,
160 function(elt) { x += elt; return true; }), true); 160 function(elt) { x += elt; return true; }), true);
161 assertEquals(x, 4); 161 assertEquals(x, 4);
162
163 // Detached Operation
164 var array = new constructor([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
165 %ArrayBufferNeuter(array.buffer);
166 assertThrows(() => array.every(() => true), TypeError);
162 } 167 }
163 168
164 for (i = 0; i < typedArrayConstructors.length; i++) { 169 for (i = 0; i < typedArrayConstructors.length; i++) {
165 TestTypedArrayForEach(typedArrayConstructors[i]); 170 TestTypedArrayForEach(typedArrayConstructors[i]);
166 } 171 }
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