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Side by Side Diff: test/mjsunit/es6/typedarray-slice.js

Issue 2827443002: Reland [typedarrays] Check detached buffer at start of typed array methods (Closed)
Patch Set: rebase Created 3 years, 8 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 45 matching lines...) Expand 10 before | Expand all | Expand 10 after
60 assertThrows(() => constructor.prototype.slice.call([], 0, 0), TypeError); 62 assertThrows(() => constructor.prototype.slice.call([], 0, 0), TypeError);
61 63
62 // Check that elements are copied properly in slice 64 // Check that elements are copied properly in slice
63 array = new constructor([1, 2, 3, 4]); 65 array = new constructor([1, 2, 3, 4]);
64 var slice = array.slice(1, 3); 66 var slice = array.slice(1, 3);
65 assertEquals(2, slice.length); 67 assertEquals(2, slice.length);
66 assertEquals(2, slice[0]); 68 assertEquals(2, slice[0]);
67 assertEquals(3, slice[1]); 69 assertEquals(3, slice[1]);
68 assertTrue(slice instanceof constructor); 70 assertTrue(slice instanceof constructor);
69 71
72 // Detached Operation
73 var tmp = {
74 [Symbol.toPrimitive]() {
75 assertUnreachable("Parameter should not be processed when " +
76 "array.[[ViewedArrayBuffer]] is neutered.");
77 return 0;
78 }
79 };
80 var array = new constructor([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
81 %ArrayBufferNeuter(array.buffer);
82 assertThrows(() => array.slice(tmp, tmp), TypeError);
83
70 // Check that the species array must be a typed array 84 // Check that the species array must be a typed array
71 class MyTypedArray extends constructor { 85 class MyTypedArray extends constructor {
72 static get[Symbol.species]() { 86 static get[Symbol.species]() {
73 return Array; 87 return Array;
74 } 88 }
75 } 89 }
76 var arr = new MyTypedArray([-1.0, 0, 1.1, 255, 256]); 90 var arr = new MyTypedArray([-1.0, 0, 1.1, 255, 256]);
77 assertThrows(() => arr.slice(), TypeError); 91 assertThrows(() => arr.slice(), TypeError);
78 } 92 }
79 93
(...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after
118 let firstValue = convertedCopy[0]; 132 let firstValue = convertedCopy[0];
119 assertEquals(firstValue, customArray2[0]); 133 assertEquals(firstValue, customArray2[0]);
120 let sliceResult = customArray2.slice(); 134 let sliceResult = customArray2.slice();
121 if (superClass == speciesClass) { 135 if (superClass == speciesClass) {
122 assertEquals(new Array(3).fill(firstValue), Array.from(customArray2)); 136 assertEquals(new Array(3).fill(firstValue), Array.from(customArray2));
123 assertEquals(new Array(3).fill(firstValue), Array.from(sliceResult)); 137 assertEquals(new Array(3).fill(firstValue), Array.from(sliceResult));
124 } 138 }
125 assertEquals(3, customArray2.length); 139 assertEquals(3, customArray2.length);
126 assertEquals(3, sliceResult.length); 140 assertEquals(3, sliceResult.length);
127 } 141 }
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