21 lines
484 B
JavaScript
21 lines
484 B
JavaScript
|
// Copyright 2019 the V8 project authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
// Flags: --allow-natives-syntax
|
||
|
|
|
||
|
|
let speciesCounter = 0;
|
||
|
|
|
||
|
|
Object.defineProperty(Promise, Symbol.species, {
|
||
|
|
value: function(...args) {
|
||
|
|
speciesCounter++;
|
||
|
|
return new Promise(...args);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
async function foo() { }
|
||
|
|
|
||
|
|
assertPromiseResult(Promise.all([foo()]), () => {
|
||
|
|
assertEquals(3, speciesCounter);
|
||
|
|
});
|