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      1 // Copyright 2014 the V8 project authors. All rights reserved.
      2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
      3 //
      4 // Redistribution and use in source and binary forms, with or without
      5 // modification, are permitted provided that the following conditions
      6 // are met:
      7 // 1.  Redistributions of source code must retain the above copyright
      8 //     notice, this list of conditions and the following disclaimer.
      9 // 2.  Redistributions in binary form must reproduce the above copyright
     10 //     notice, this list of conditions and the following disclaimer in the
     11 //     documentation and/or other materials provided with the distribution.
     12 //
     13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
     14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23 
     24 // Flags: --harmony
     25 'use strict';
     26 description('Test Promise.resolve as cast');
     27 
     28 var result = undefined;
     29 var result2 = undefined;
     30 
     31 var resolve;
     32 var value = new Promise(function (r) { resolve = r;} );
     33 var promise = Promise.resolve(value);
     34 
     35 // If [[IsPromise]] is true, Promise.resolve simply returns argument.
     36 shouldBe('promise', 'value');
     37 
     38 promise.then(function(res) {
     39   result = res;
     40   shouldBeEqualToString('result', 'hello');
     41 
     42   return Promise.resolve(42).then(function (res) {
     43       result2 = res;
     44       shouldBe('result2', '42');
     45   });
     46 }).then(function () {
     47   testPassed('fulfilled');
     48   finishJSTest();
     49 }, function() {
     50   testFailed('rejected');
     51   finishJSTest();
     52 });
     53 
     54 resolve('hello');
     55 shouldBe('result', 'undefined');
     56 shouldBe('result2', 'undefined');
     57