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0a66b223e1
PR-URL: https://github.com/nodejs/node/pull/14004 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
36 lines
867 B
JavaScript
36 lines
867 B
JavaScript
// Copyright 2015 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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// First test case
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function FirstBuffer () {}
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FirstBuffer.prototype.__proto__ = Uint8Array.prototype
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FirstBuffer.__proto__ = Uint8Array
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var buf = new Uint8Array(10)
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buf.__proto__ = FirstBuffer.prototype
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assertThrows(() => buf.subarray(2), TypeError);
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// Second test case
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let seen_args = [];
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function SecondBuffer (arg) {
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seen_args.push(arg);
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var arr = new Uint8Array(arg)
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arr.__proto__ = SecondBuffer.prototype
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return arr
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}
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SecondBuffer.prototype.__proto__ = Uint8Array.prototype
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SecondBuffer.__proto__ = Uint8Array
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var buf3 = new SecondBuffer(10)
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assertEquals([10], seen_args);
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var buf4 = buf3.subarray(2)
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assertEquals(10, buf4.length);
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assertEquals([10, buf3.buffer], seen_args);
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