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

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 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 47 matching lines...) Expand 10 before | Expand all | Expand 10 after
62 }, TypeError); 64 }, TypeError);
63 65
64 // Check that elements are copied properly in slice 66 // Check that elements are copied properly in slice
65 array = new constructor([1, 2, 3, 4]); 67 array = new constructor([1, 2, 3, 4]);
66 var slice = array.slice(1, 3); 68 var slice = array.slice(1, 3);
67 assertEquals(2, slice.length); 69 assertEquals(2, slice.length);
68 assertEquals(2, slice[0]); 70 assertEquals(2, slice[0]);
69 assertEquals(3, slice[1]); 71 assertEquals(3, slice[1]);
70 assertTrue(slice instanceof constructor); 72 assertTrue(slice instanceof constructor);
71 73
74 // Detached Operation
75 var tmp = {
76 [Symbol.toPrimitive]() {
77 assertUnreachable("Parameter should not be processed when " +
78 "array.[[ViewedArrayBuffer]] is neutered.");
79 return 0;
80 }
81 };
82
83 var array = new constructor([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
84 %ArrayBufferNeuter(array.buffer);
85 assertThrows(() => array.slice(tmp, tmp), TypeError);
86
72 // Check that the species array must be a typed array 87 // Check that the species array must be a typed array
73 class MyTypedArray extends constructor { 88 class MyTypedArray extends constructor {
74 static get[Symbol.species]() { 89 static get[Symbol.species]() {
75 return Array; 90 return Array;
76 } 91 }
77 } 92 }
78 var arr = new MyTypedArray([-1.0, 0, 1.1, 255, 256]); 93 var arr = new MyTypedArray([-1.0, 0, 1.1, 255, 256]);
79 assertThrows(() => arr.slice(), TypeError); 94 assertThrows(() => arr.slice(), TypeError);
80 } 95 }
81 96
82 // Check that the result array is properly created by checking species 97 // Check that the result array is properly created by checking species
83 for (var constructor1 of typedArrayConstructors) { 98 for (var constructor1 of typedArrayConstructors) {
84 for (var constructor2 of typedArrayConstructors) { 99 for (var constructor2 of typedArrayConstructors) {
85 class MyTypedArray2 extends constructor1 { 100 class MyTypedArray2 extends constructor1 {
86 static get[Symbol.species]() { 101 static get[Symbol.species]() {
87 return constructor2; 102 return constructor2;
88 } 103 }
89 } 104 }
90 var arr = new MyTypedArray2([-1.0, 0, 1.1, 255, 256]); 105 var arr = new MyTypedArray2([-1.0, 0, 1.1, 255, 256]);
91 var arr2 = new constructor1([-1.0, 0, 1.1, 255, 256]); 106 var arr2 = new constructor1([-1.0, 0, 1.1, 255, 256]);
92 assertEquals(new constructor2(arr2), arr.slice(), 107 assertEquals(new constructor2(arr2), arr.slice(),
93 constructor1.name + ' -> ' + constructor2.name); 108 constructor1.name + ' -> ' + constructor2.name);
94 } 109 }
95 } 110 }
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