22 lines
764 B
JavaScript
22 lines
764 B
JavaScript
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// 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 --harmony-promise-any
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load('test/mjsunit/test-async.js');
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// Make sure we properly throw a RangeError when overflowing the maximum
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// number of elements for Promise.any, 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.any(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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