diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/WeakMap/iterator-item-first-entry-returns-abrupt.js')
-rw-r--r-- | js/src/tests/test262/built-ins/WeakMap/iterator-item-first-entry-returns-abrupt.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/WeakMap/iterator-item-first-entry-returns-abrupt.js b/js/src/tests/test262/built-ins/WeakMap/iterator-item-first-entry-returns-abrupt.js new file mode 100644 index 0000000000..8fd9ca47cc --- /dev/null +++ b/js/src/tests/test262/built-ins/WeakMap/iterator-item-first-entry-returns-abrupt.js @@ -0,0 +1,49 @@ +// 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-weakmap-iterable +description: > + Closes iterator if item first entry completes abruptly. +info: | + WeakMap ( [ iterable ] ) + + ... + 9. Repeat + ... + d. Let nextItem be IteratorValue(next). + ... + g. Let k be Get(nextItem, "0"). + h. If k is an abrupt completion, return IteratorClose(iter, k). + ... +features: [Symbol.iterator] +---*/ + +var count = 0; +var item = ['foo', 'bar']; +Object.defineProperty(item, 0, { + get: function() { + throw new Test262Error(); + } +}); +var iterable = {}; +iterable[Symbol.iterator] = function() { + return { + next: function() { + return { + value: item, + done: false + }; + }, + return: function() { + count++; + } + }; +}; + +assert.throws(Test262Error, function() { + new WeakMap(iterable); +}); + +assert.sameValue(count, 1, 'The get error closed the iterator'); + +reportCompare(0, 0); |