1 // Copyright 2014 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 'use strict'; 6 7 // Top-level code 8 let s = 0; 9 let f = [undefined, undefined, undefined] 10 for (const x of [1,2,3]) { 11 s += x; 12 f[x-1] = function() { return x; } 13 } 14 assertEquals(6, s); 15 assertEquals(1, f[0]()); 16 assertEquals(2, f[1]()); 17 assertEquals(3, f[2]()); 18 19 let x = 1; 20 s = 0; 21 for (const z of [x, x+1, x+2]) { 22 s += z; 23 } 24 assertEquals(6, s); 25 26 s = 0; 27 var q = 1; 28 for (const x of [q, q+1, q+2]) { 29 s += x; 30 } 31 assertEquals(6, s); 32 33 let z = 1; 34 s = 0; 35 for (const x = 1; z < 2; z++) { 36 s += x + z; 37 } 38 assertEquals(2, s); 39 40 41 s = ""; 42 for (const x in [1,2,3]) { 43 s += x; 44 } 45 assertEquals("012", s); 46 47 assertThrows("'use strict'; for (const x in [1,2,3]) { x++ }", TypeError); 48 49 // Function scope 50 (function() { 51 let s = 0; 52 for (const x of [1,2,3]) { 53 s += x; 54 } 55 assertEquals(6, s); 56 57 let x = 1; 58 s = 0; 59 for (const q of [x, x+1, x+2]) { 60 s += q; 61 } 62 assertEquals(6, s); 63 64 s = 0; 65 var q = 1; 66 for (const x of [q, q+1, q+2]) { 67 s += x; 68 } 69 assertEquals(6, s); 70 71 s = ""; 72 for (const x in [1,2,3]) { 73 s += x; 74 } 75 assertEquals("012", s); 76 }()); 77
