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20 lines
622 B
20 lines
622 B
// Copyright 2017 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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var ab = new Int8Array(20).map((v, i) => i).buffer;
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var ta = new Int8Array(ab, 0, 10);
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var seen_length = -1;
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ta.constructor = {
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[Symbol.species]: function(len) {
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seen_length = len;
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return new Int8Array(ab, 1, len);
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}
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};
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assertEquals(-1, seen_length);
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assertArrayEquals([0,1,2,3,4,5,6,7,8,9], ta);
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var tb = ta.slice();
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assertEquals(10, seen_length);
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assertArrayEquals([0,0,0,0,0,0,0,0,0,0], ta);
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assertArrayEquals([0,0,0,0,0,0,0,0,0,0], tb);
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