14 lines
357 B
JavaScript
14 lines
357 B
JavaScript
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// 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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function foo(o, k) { return o[k]; }
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var a = [1,2];
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a["-1"] = 42;
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assertEquals(1, foo(a, 0));
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assertEquals(2, foo(a, 1));
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assertEquals(undefined, foo(a, 3));
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assertEquals(42, foo(a, -1));
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