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Issue 2827443002: Reland [typedarrays] Check detached buffer at start of typed array methods (Closed)
Patch Set: rebase Created 3 years, 7 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
6
5 var typedArrayConstructors = [ 7 var typedArrayConstructors = [
6 Uint8Array, 8 Uint8Array,
7 Int8Array, 9 Int8Array,
8 Uint16Array, 10 Uint16Array,
9 Int16Array, 11 Int16Array,
10 Uint32Array, 12 Uint32Array,
11 Int32Array, 13 Int32Array,
12 Uint8ClampedArray, 14 Uint8ClampedArray,
13 Float32Array, 15 Float32Array,
14 Float64Array]; 16 Float64Array];
(...skipping 162 matching lines...) Expand 10 before | Expand all | Expand 10 after
177 // Shadowing length doesn't affect find, unlike Array.prototype.find 179 // Shadowing length doesn't affect find, unlike Array.prototype.find
178 a = new constructor([1, 2]); 180 a = new constructor([1, 2]);
179 Object.defineProperty(a, 'length', {value: 1}); 181 Object.defineProperty(a, 'length', {value: 1});
180 var x = 0; 182 var x = 0;
181 assertEquals(a.find(function(elt) { x += elt; return false; }), undefined); 183 assertEquals(a.find(function(elt) { x += elt; return false; }), undefined);
182 assertEquals(x, 3); 184 assertEquals(x, 3);
183 assertEquals(Array.prototype.find.call(a, 185 assertEquals(Array.prototype.find.call(a,
184 function(elt) { x += elt; return false; }), undefined); 186 function(elt) { x += elt; return false; }), undefined);
185 assertEquals(x, 4); 187 assertEquals(x, 4);
186 188
189 // Detached Operation
190 var tmp = {
191 [Symbol.toPrimitive]() {
192 assertUnreachable("Parameter should not be processed when " +
193 "array.[[ViewedArrayBuffer]] is neutered.");
194 return 0;
195 }
196 };
197
198 var array = new constructor([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
199 %ArrayBufferNeuter(array.buffer);
200
201 assertThrows(() => array.find(tmp), TypeError);
187 } 202 }
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