mirror of
				https://github.com/tc39/test262.git
				synced 2025-11-04 05:33:50 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			54 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// Copyright (C) 2019 Leo Balter, 2020 Rick Waldron. All rights reserved.
 | 
						|
// This code is governed by the BSD license found in the LICENSE file.
 | 
						|
 | 
						|
/*---
 | 
						|
description: >
 | 
						|
  Explicit iterator closing in response to error
 | 
						|
esid: sec-promise.any
 | 
						|
info: |
 | 
						|
  5. Let result be PerformPromiseAny(iteratorRecord, C, promiseCapability).
 | 
						|
  6. If result is an abrupt completion, then
 | 
						|
    a. If iteratorRecord.[[Done]] is false, set result to IteratorClose(iteratorRecord, result).
 | 
						|
    b. IfAbruptRejectPromise(result, promiseCapability).
 | 
						|
 | 
						|
  Runtime Semantics: PerformPromiseAny
 | 
						|
 | 
						|
  8. Repeat
 | 
						|
    ...
 | 
						|
    i. Let nextPromise be ? Call(promiseResolve, constructor, « nextValue »).
 | 
						|
flags: [async]
 | 
						|
features: [Promise.any, Symbol.iterator, computed-property-names, Symbol, arrow-function]
 | 
						|
---*/
 | 
						|
 | 
						|
let error = new Test262Error();
 | 
						|
let nextCount = 0;
 | 
						|
let returnCount = 0;
 | 
						|
let iter = {
 | 
						|
  [Symbol.iterator]() {
 | 
						|
    return {
 | 
						|
      next() {
 | 
						|
        nextCount += 1;
 | 
						|
        return {
 | 
						|
          value: null,
 | 
						|
          done: false
 | 
						|
        };
 | 
						|
      },
 | 
						|
      return() {
 | 
						|
        returnCount += 1;
 | 
						|
      }
 | 
						|
    };
 | 
						|
  }
 | 
						|
};
 | 
						|
 | 
						|
Promise.resolve = function() {
 | 
						|
  throw error;
 | 
						|
};
 | 
						|
 | 
						|
Promise.any(iter).then(() => {
 | 
						|
  $DONE('The promise should be rejected, but was resolved');
 | 
						|
}, (reason) => {
 | 
						|
  assert.sameValue(nextCount, 1);
 | 
						|
  assert.sameValue(returnCount, 1);
 | 
						|
  assert.sameValue(reason, error);
 | 
						|
}).then($DONE, $DONE);
 |