blob: 6d1f4a8ad90df15c9288d85474f970630769796e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 13.6.4.13
description: >
If an iterator's `return` method returns a non-Object value, a TypeError
should be thrown.
features: [Symbol.iterator]
---*/
var iterable = {};
var iterationCount = 0;
iterable[Symbol.iterator] = function() {
return {
next: function() {
return { done: false, value: null };
},
return: function() {
return 0;
}
};
};
assert.throws(TypeError, function() {
for (var x of iterable) {
iterationCount += 1;
break;
}
});
assert.sameValue(iterationCount, 1, 'The loop body is evaluated');
reportCompare(0, 0);
|