test262/test/built-ins/Map/iterator-value-failure.js

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2015-06-25 21:06:04 +02:00
// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 23.1.1.1
description: >
The iterator is closed when iterable `next` value throws an error.
info: >
Map ( [ iterable ] )
...
9. Repeat
...
d. Let nextItem be IteratorValue(next).
e. ReturnIfAbrupt(nextItem).
features: [Symbol.iterator]
---*/
var iterable = {};
iterable[Symbol.iterator] = function() {
return {
next: function() {
return {
get value() {
throw new Test262Error();
},
done: false
};
}
};
};
assert.throws(Test262Error, function() {
new Map(iterable);
});