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| 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 |
| 3 // found in the LICENSE file. |
| 4 |
| 5 // Flags: --harmony-sloppy --harmony-sloppy-let --harmony-destructuring |
| 6 |
| 7 |
| 8 { |
| 9 assertThrows(function() { return let; }, ReferenceError); |
| 10 let let; |
| 11 |
| 12 let = 5; |
| 13 assertEquals(5, let); |
| 14 |
| 15 { let let = 1; assertEquals(1, let); } |
| 16 assertEquals(5, let); |
| 17 } |
| 18 |
| 19 assertThrows(function() { return let; }, ReferenceError); |
| 20 |
| 21 (function() { |
| 22 var let, sum = 0; |
| 23 for (let in [1, 2, 3, 4]) sum += Number(let); |
| 24 assertEquals(6, sum); |
| 25 |
| 26 for (let let of [4, 5]) sum += let; |
| 27 assertEquals(15, sum); |
| 28 |
| 29 for (let let in [6]) sum += Number([6][let]); |
| 30 assertEquals(21, sum); |
| 31 |
| 32 for (let = 7; let < 8; let++) sum += let; |
| 33 assertEquals(28, sum); |
| 34 assertEquals(8, let); |
| 35 |
| 36 for (let let = 8; let < 9; let++) sum += let; |
| 37 assertEquals(36, sum); |
| 38 assertEquals(8, let); |
| 39 })() |
| 40 |
| 41 assertThrows(function() { return let; }, ReferenceError); |
| 42 |
| 43 { |
| 44 let obj = {}; |
| 45 let {let} = {let() { return obj; }}; |
| 46 let().x = 1; |
| 47 assertEquals(1, obj.x); |
| 48 } |
| 49 |
| 50 { |
| 51 let obj = {}; |
| 52 let [let] = [function() { return obj; }]; |
| 53 let().x = 1; |
| 54 assertEquals(1, obj.x); |
| 55 } |
| 56 |
| 57 (function() { |
| 58 function let() { |
| 59 return 1; |
| 60 } |
| 61 assertEquals(1, let()); |
| 62 })() |
| 63 |
| 64 assertThrows('for (let of []) {}', SyntaxError); |
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