| // Copyright 2014 Cubane Canada, Inc. All rights reserved. |
| // See LICENSE for details. |
| |
| /*--- |
| info: | |
| Promise.race rejects when GetIterator() returns an abrupt completion |
| 4. Let iterator be GetIterator(iterable). |
| 5. IfAbruptRejectPromise(iterator, promiseCapability) |
| es6id: S25.4.4.3_A2.2_T3 |
| author: Sam Mikes |
| description: Promise.race rejects if GetIterator throws |
| features: [Symbol.iterator] |
| flags: [async] |
| ---*/ |
| |
| var iterThrows = {}; |
| Object.defineProperty(iterThrows, Symbol.iterator, { |
| get: function() { |
| throw new Error("abrupt completion"); |
| } |
| }); |
| |
| Promise.race(iterThrows).then(function() { |
| $ERROR('Promise unexpectedly fulfilled: Promise.race(iterThrows) should throw'); |
| }, function(err) { |
| if (!(err instanceof Error)) { |
| $ERROR('Expected Promise to be rejected with an error, got ' + err); |
| } |
| }).then($DONE, $DONE); |