20 lines
595 B
JavaScript
20 lines
595 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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// Flags: --allow-natives-syntax --expose-externalize-string
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// Calculate string so that it isn't internalized.
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var string = ((a,b) => { return a + b; })('foo', 'bar');
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// Now externalize it.
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externalizeString(string, false);
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// Then internalize it by using it as a keyed property name
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// to turn it a thin string.
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var obj = {};
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obj[string];
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// Perform a string concatination.
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assertEquals('"' + string + '"', '"foobar"');
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