mirror of
				https://github.com/tc39/test262.git
				synced 2025-11-04 05:33:50 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			42 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// Copyright (C) 2016 the V8 project authors. All rights reserved.
 | 
						|
// This code is governed by the BSD license found in the LICENSE file.
 | 
						|
 | 
						|
/*---
 | 
						|
description: Promise rejection in response to error from `Promise.resolve`
 | 
						|
esid: sec-promise.race
 | 
						|
es6id: 25.4.4.3
 | 
						|
info: |
 | 
						|
    [...]
 | 
						|
    11. Let result be PerformPromiseRace(iteratorRecord, promiseCapability, C).
 | 
						|
    12. If result is an abrupt completion, then
 | 
						|
        a. If iteratorRecord.[[done]] is false, let result be
 | 
						|
           IteratorClose(iterator,result).
 | 
						|
        b. IfAbruptRejectPromise(result, promiseCapability).
 | 
						|
 | 
						|
 | 
						|
    25.4.4.3.1 Runtime Semantics: PerformPromiseRace
 | 
						|
 | 
						|
    1. Repeat
 | 
						|
       [...]
 | 
						|
       h. Let nextPromise be Invoke(C, "resolve", «nextValue»).
 | 
						|
       i. ReturnIfAbrupt(nextPromise).
 | 
						|
flags: [async]
 | 
						|
---*/
 | 
						|
 | 
						|
var err = new Test262Error();
 | 
						|
var CustomPromise = function(executor) {
 | 
						|
  return new Promise(executor);
 | 
						|
};
 | 
						|
 | 
						|
CustomPromise.resolve = function() {
 | 
						|
  throw err;
 | 
						|
};
 | 
						|
 | 
						|
Promise.race.call(CustomPromise, [1])
 | 
						|
  .then(function() {
 | 
						|
    $ERROR('The promise should be rejected.');
 | 
						|
  }, function(reason) {
 | 
						|
    assert.sameValue(reason, err);
 | 
						|
    $DONE();
 | 
						|
  });
 |