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

37 lines
758 B
JavaScript

// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 23.4.1.1
esid: sec-weakset-iterable
description: >
If the iterable argument is empty, return new Weakset object.
info: >
23.4.1.1 WeakSet ( [ iterable ] )
...
9. Repeat
...
d. Let nextValue be IteratorValue(next).
e. ReturnIfAbrupt(nextValue).
features: [Symbol.iterator]
---*/
var count = 0;
var iterable = {};
iterable[Symbol.iterator] = function() {
return {
next: function() {
return {
get value() {
throw new Test262Error();
},
done: false
};
}
};
};
assert.throws(Test262Error, function() {
new WeakSet(iterable);
});