Source code
Revision control
Copy as Markdown
Other Tools
// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-map-iterable
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);
});
reportCompare(0, 0);