src/v8/test/webkit/fast/js/Promise-then.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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// Flags: --harmony
'use strict';
description('Test Promise.prototype.then');

var resolve;
var result;
var thisInOnFulfilled;
var thisInInit;

var firstPromise = new Promise(function(newResolve) {
  thisInInit = this;
  resolve = newResolve;
});

var secondPromise = firstPromise.then(function(localResult) {
  thisInOnFulfilled = this;
  shouldBe('thisInOnFulfilled', 'undefined');
  result = localResult;
  shouldBeEqualToString('result', 'hello');
  return 'world';
});

shouldBe('thisInInit', 'undefined');
shouldBeTrue('firstPromise instanceof Promise');
shouldBeTrue('secondPromise instanceof Promise');

secondPromise.then(undefined, 37).then(function(localResult) {
  result = localResult;
  shouldBeEqualToString('result', 'world');
  throw 'exception'
}).then(1, 2).then(function() {
  testFailed('resolved');
}, function(localResult) {
  testPassed('rejected');
  result = localResult;
  shouldBeEqualToString('result', 'exception');
}).then(function() {
  testPassed('resolved');
  finishJSTest();
}, function() {
  testFailed('rejected');
  finishJSTest();
});

resolve('hello');