src/v8/test/webkit/fast/js/Promise-exception.js

// Copyright 2014 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
//
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// modification, are permitted provided that the following conditions
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//     notice, this list of conditions and the following disclaimer.
// 2.  Redistributions in binary form must reproduce the above copyright
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// Flags: --harmony
'use strict';
description('An exception thrown from an onFulfilled callback should reject the Promise.');

var thisInThenCallback;
var result;

new Promise(function(resolve) {
  resolve('hello');
}).then(function(result) {
  throw 'foobar';
}).then(function(localResult) {
  testFailed('Unexpected invocation of onFulfilled');
}, function(localResult) {
  thisInThenCallback = this;
  shouldBe('thisInThenCallback', 'undefined');
  result = localResult;
  shouldBeEqualToString('result', 'foobar');
  finishJSTest();
});