src/v8/test/webkit/fast/js/Promise-resolve-with-then-fulfill.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 whether Promise treats thenable correctly.');

var thisValue;
var result;
var value = {
  then: function(onFulfilled) {
    testPassed('value.then is called.');
    thisValue = this;
    shouldBe('thisValue', 'value');
    onFulfilled('hello');
  }
};

new Promise(function(resolve) {
  resolve(value);
}).then(function(localResult) {
  testPassed('fulfilled');
  result = localResult;
  shouldBeEqualToString('result', 'hello');
  finishJSTest();
}, function() {
  testFailed('rejected');
  finishJSTest();
});

debug('The promise is not fulfilled now.');