mirror of https://github.com/tc39/test262.git
34 lines
887 B
JavaScript
34 lines
887 B
JavaScript
// Copyright 2014 Cubane Canada, Inc. All rights reserved.
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// See LICENSE for details.
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/*---
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es6id: S25.4.4.3_A4.1_T2
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author: Sam Mikes
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description: Promise.race rejects if IteratorStep throws
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features: [Symbol.iterator]
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flags: [async]
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---*/
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var iterThrows = {};
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Object.defineProperty(iterThrows, Symbol.iterator, {
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get: function() {
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return {
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next: function() {
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var v = {};
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Object.defineProperty(v, 'value', {
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get: function() {
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throw new Error("abrupt completion");
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}
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});
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return v;
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}
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};
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}
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});
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Promise.race(iterThrows).then(function() {
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throw new Test262Error('Promise unexpectedly fulfilled: Promise.race(iterThrows) should throw TypeError');
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}, function(err) {
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assert(!!(err instanceof TypeError), 'The value of !!(err instanceof TypeError) is expected to be true');
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}).then($DONE, $DONE);
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