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PR-URL: https://github.com/nodejs/node/pull/19989 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Matheus Marchini <matheus@sthima.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Myles Borins <myles.borins@gmail.com>
20 lines
705 B
JavaScript
20 lines
705 B
JavaScript
// Copyright 2018 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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// Make sure we properly throw a RangeError when overflowing the maximum
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// number of elements for Promise.all, which is capped at 2^21 bits right
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// now, since we store the indices as identity hash on the resolve element
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// closures.
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const a = new Array(2 ** 21 - 1);
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const p = Promise.resolve(1);
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for (let i = 0; i < a.length; ++i) a[i] = p;
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testAsync(assert => {
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assert.plan(1);
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Promise.all(a).then(assert.unreachable, reason => {
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assert.equals(true, reason instanceof RangeError);
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});
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});
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