| // Copyright (C) 2013 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| es6id: 7.4.3 |
| description: > |
| The `done` value of iteration result objects should be interpreted as |
| incomplete as per `ToBoolean` (7.1.2). |
| features: [Symbol.iterator] |
| ---*/ |
| |
| var iterable = {}; |
| var i, firstIterResult; |
| |
| iterable[Symbol.iterator] = function() { |
| var finalIterResult = { value: null, done: true }; |
| var nextIterResult = firstIterResult; |
| |
| return { |
| next: function() { |
| var iterResult = nextIterResult; |
| |
| nextIterResult = finalIterResult; |
| |
| return iterResult; |
| } |
| }; |
| }; |
| |
| firstIterResult = { value: null, done: undefined }; |
| i = 0; |
| for (var x of iterable) { |
| i++; |
| } |
| assert.sameValue(i, 1); |
| |
| firstIterResult = { value: null }; |
| i = 0; |
| for (var x of iterable) { |
| i++; |
| } |
| assert.sameValue(i, 1); |
| |
| firstIterResult = { value: null, done: null }; |
| i = 0; |
| for (var x of iterable) { |
| i++; |
| } |
| assert.sameValue(i, 1); |
| |
| firstIterResult = { value: null, done: false }; |
| i = 0; |
| for (var x of iterable) { |
| i++; |
| } |
| assert.sameValue(i, 1); |
| |
| firstIterResult = { value: null, done: true }; |
| i = 0; |
| for (var x of iterable) { |
| i++; |
| } |
| assert.sameValue(i, 0); |
| |
| firstIterResult = { value: null, done: 1 }; |
| i = 0; |
| for (var x of iterable) { |
| i++; |
| } |
| assert.sameValue(i, 0); |
| |
| firstIterResult = { value: null, done: 0 }; |
| i = 0; |
| for (var x of iterable) { |
| i++; |
| } |
| assert.sameValue(i, 1); |
| |
| firstIterResult = { value: null, done: -0 }; |
| i = 0; |
| for (var x of iterable) { |
| i++; |
| } |
| assert.sameValue(i, 1); |
| |
| firstIterResult = { value: null, done: NaN }; |
| i = 0; |
| for (var x of iterable) { |
| i++; |
| } |
| assert.sameValue(i, 1); |
| |
| firstIterResult = { value: null, done: '' }; |
| i = 0; |
| for (var x of iterable) { |
| i++; |
| } |
| assert.sameValue(i, 1); |
| |
| firstIterResult = { value: null, done: '0' }; |
| i = 0; |
| for (var x of iterable) { |
| i++; |
| } |
| assert.sameValue(i, 0); |
| |
| firstIterResult = { value: null, done: Symbol() }; |
| i = 0; |
| for (var x of iterable) { |
| i++; |
| } |
| assert.sameValue(i, 0); |
| |
| firstIterResult = { value: null, done: {} }; |
| i = 0; |
| for (var x of iterable) { |
| i++; |
| } |
| assert.sameValue(i, 0); |
| |
| firstIterResult = { value: null }; |
| Object.defineProperty(firstIterResult, 'done', { |
| get: function() { |
| return true; |
| } |
| }); |
| i = 0; |
| for (var x of iterable) { |
| i++; |
| } |
| assert.sameValue(i, 0); |