within-for.js (988B)
1 // Copyright (C) 2013 the V8 project authors. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 /*--- 4 es6id: 25.2 5 description: > 6 `yield` expressions should suspend `for` loop iteration. 7 features: [generators] 8 ---*/ 9 10 function* g() { 11 for (var idx = 0; idx < 3; idx++) { 12 yield idx; 13 } 14 } 15 var iter = g(); 16 var result; 17 18 result = iter.next(); 19 assert.sameValue(result.value, 0, 'First result `value`'); 20 assert.sameValue(result.done, false, 'First result `done` flag'); 21 22 result = iter.next(); 23 assert.sameValue(result.value, 1, 'Second result `value`'); 24 assert.sameValue(result.done, false, 'Second result `done` flag'); 25 26 result = iter.next(); 27 assert.sameValue(result.value, 2, 'Third result `value`'); 28 assert.sameValue(result.done, false, 'Third result `done` flag'); 29 30 result = iter.next(); 31 assert.sameValue(result.value, undefined, 'Final result `value`'); 32 assert.sameValue(result.done, true, 'Final result `done` flag'); 33 34 reportCompare(0, 0);