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Side by Side Diff: test/mjsunit/es6/array-species-delete.js

Issue 2096933002: Remove all harmony runtime flags which shipped in M51 (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Review comments Created 4 years, 5 months ago
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1 // Copyright 2016 the V8 project authors. All rights reserved. 1 // Copyright 2016 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: --harmony-species --allow-natives-syntax 5 // Flags: --allow-natives-syntax
6 6
7 // Overwriting the constructor of an instance updates the protector 7 // Overwriting the constructor of an instance updates the protector
8 8
9 let x = []; 9 let x = [];
10 10
11 assertEquals(Array, x.map(()=>{}).constructor); 11 assertEquals(Array, x.map(()=>{}).constructor);
12 assertEquals(Array, x.filter(()=>{}).constructor); 12 assertEquals(Array, x.filter(()=>{}).constructor);
13 assertEquals(Array, x.slice().constructor); 13 assertEquals(Array, x.slice().constructor);
14 assertEquals(Array, x.splice().constructor); 14 assertEquals(Array, x.splice().constructor);
15 assertEquals(Array, x.concat([1]).constructor); 15 assertEquals(Array, x.concat([1]).constructor);
16 assertEquals(1, x.concat([1])[0]); 16 assertEquals(1, x.concat([1])[0]);
17 17
18 class MyArray extends Array { } 18 class MyArray extends Array { }
19 19
20 Object.prototype[Symbol.species] = MyArray; 20 Object.prototype[Symbol.species] = MyArray;
21 delete Array[Symbol.species]; 21 delete Array[Symbol.species];
22 assertFalse(%SpeciesProtector()); 22 assertFalse(%SpeciesProtector());
23 23
24 assertEquals(MyArray, x.map(()=>{}).constructor); 24 assertEquals(MyArray, x.map(()=>{}).constructor);
25 assertEquals(MyArray, x.filter(()=>{}).constructor); 25 assertEquals(MyArray, x.filter(()=>{}).constructor);
26 assertEquals(MyArray, x.slice().constructor); 26 assertEquals(MyArray, x.slice().constructor);
27 assertEquals(MyArray, x.splice().constructor); 27 assertEquals(MyArray, x.splice().constructor);
28 assertEquals(MyArray, x.concat([1]).constructor); 28 assertEquals(MyArray, x.concat([1]).constructor);
29 assertEquals(1, x.concat([1])[0]); 29 assertEquals(1, x.concat([1])[0]);
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