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50930a0fa0
PR-URL: https://github.com/nodejs/node/pull/39469 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
27 lines
677 B
JavaScript
27 lines
677 B
JavaScript
// Copyright 2020 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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// Flags: --allow-natives-syntax
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d8.file.execute('test/mjsunit/test-async.js');
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// Promise.race should not call GetIterator if Promise.resolve is not callable.
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let getIteratorCount = 0;
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let iter = {
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get [Symbol.iterator]() {
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++getIteratorCount;
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}
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};
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Promise.resolve = "certainly not callable";
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testAsync(assert => {
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assert.plan(2);
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Promise.race(iter).then(assert.unreachable, reason => {
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assert.equals(true, reason instanceof TypeError);
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assert.equals(0, getIteratorCount);
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});
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});
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