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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 23.1.5.2.1
description: >
Throws a TypeError if `this` value is not an Object.
info: |
From Map.prototype.values()
%MapIteratorPrototype%.next ( )
1. Let O be the this value.
2. If Type(O) is not Object, throw a TypeError exception.
...
features:
- Symbol
- Symbol.iterator
---*/
var map = new Map([
[1, 11],
[2, 22]
]);
var iterator = map.values();
assert.throws(TypeError, function() {
iterator.next.call(false);
});
assert.throws(TypeError, function() {
iterator.next.call(1);
});
assert.throws(TypeError, function() {
iterator.next.call('');
});
assert.throws(TypeError, function() {
iterator.next.call(undefined);
});
assert.throws(TypeError, function() {
iterator.next.call(null);
});
assert.throws(TypeError, function() {
iterator.next.call(Symbol());
});
// does not throw an Error
iterator.next.call(map[Symbol.iterator]());
|
