test262/test/language/arguments-object/unmapped/Symbol.iterator/next-iteration.js

32 lines
1.0 KiB
JavaScript

// Copyright (C) Copyright 2014 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 9.4.4.6 S7
description: >
Unmapped arguments exotic objects should implement the Array iterator
protocol.
flags: [noStrict]
---*/
(function(a, b, c) {
'use strict';
var iterator = arguments[Symbol.iterator]();
var result;
result = iterator.next();
assert.sameValue(result.value, 2, 'First result `value`');
assert.sameValue(result.done, false, 'First result `done` flag');
result = iterator.next();
assert.sameValue(result.value, 1, 'Second result `value`');
assert.sameValue(result.done, false, 'Second result `done` flag');
result = iterator.next();
assert.sameValue(result.value, 3, 'Third result `value`');
assert.sameValue(result.done, false, 'Third result `done` flag');
result = iterator.next();
assert.sameValue(result.value, undefined, 'Exhausted result `value`');
assert.sameValue(result.done, true, 'Exhausted result `done` flag');
}(2, 1, 3));