24 lines
464 B
JavaScript
24 lines
464 B
JavaScript
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// Copyright 2019 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(a, key) {
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a[key];
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}
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let obj = {};
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let count = 0;
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var key_obj = {
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toString: function() {
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count++;
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// Force string to be internalized during keyed lookup.
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return 'foo' + count;
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}
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};
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foo(obj, key_obj);
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// We should only call toString once.
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assertEquals(count, 1);
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