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Issue 1519073004: Remove always-on --harmony-rest-parameters flag (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years 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: --harmony-rest-parameters
6 // Flags: --min-preparse-length=0 5 // Flags: --min-preparse-length=0
7 6
8 (function testRestIndex() { 7 (function testRestIndex() {
9 assertEquals(5, ((...args) => args.length)(1,2,3,4,5)); 8 assertEquals(5, ((...args) => args.length)(1,2,3,4,5));
10 assertEquals(4, ((a, ...args) => args.length)(1,2,3,4,5)); 9 assertEquals(4, ((a, ...args) => args.length)(1,2,3,4,5));
11 assertEquals(3, ((a, b, ...args) => args.length)(1,2,3,4,5)); 10 assertEquals(3, ((a, b, ...args) => args.length)(1,2,3,4,5));
12 assertEquals(2, ((a, b, c, ...args) => args.length)(1,2,3,4,5)); 11 assertEquals(2, ((a, b, c, ...args) => args.length)(1,2,3,4,5));
13 assertEquals(1, ((a, b, c, d, ...args) => args.length)(1,2,3,4,5)); 12 assertEquals(1, ((a, b, c, d, ...args) => args.length)(1,2,3,4,5));
14 assertEquals(0, ((a, b, c, d, e, ...args) => args.length)(1,2,3,4,5)); 13 assertEquals(0, ((a, b, c, d, e, ...args) => args.length)(1,2,3,4,5));
15 })(); 14 })();
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136 })(); 135 })();
137 136
138 137
139 (function testUnmappedArguments() { 138 (function testUnmappedArguments() {
140 // Normal functions make their arguments object unmapped, but arrow 139 // Normal functions make their arguments object unmapped, but arrow
141 // functions don't have an arguments object anyway. Check that the 140 // functions don't have an arguments object anyway. Check that the
142 // right thing happens for arguments in arrow functions with rest 141 // right thing happens for arguments in arrow functions with rest
143 // parameters. 142 // parameters.
144 assertSame(arguments, ((...rest) => arguments)()); 143 assertSame(arguments, ((...rest) => arguments)());
145 })(); 144 })();
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