29 lines
612 B
JavaScript
29 lines
612 B
JavaScript
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// Copyright 2019 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// Flags: --allow-natives-syntax
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let count = 0;
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class MyPromise extends Promise {
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static get resolve() {
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count++;
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return super.resolve;
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}
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}
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MyPromise.race([1, 2, 3, 4, 5]);
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assertEquals(1, count);
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%PerformMicrotaskCheckpoint();
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assertEquals(1, count);
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count = 0;
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MyPromise.race([
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Promise.resolve(1),
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Promise.resolve(2),
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Promise.reject(3)
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]);
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assertEquals(1, count);
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%PerformMicrotaskCheckpoint();
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assertEquals(1, count);
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