19 lines
515 B
JavaScript
19 lines
515 B
JavaScript
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// Copyright 2024 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
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assertTrue(%StringWrapperToPrimitiveProtector());
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let x = new String('old');
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delete String.prototype.valueOf;
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assertFalse(%StringWrapperToPrimitiveProtector());
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// If valueOf doesn't exist, then toString is used.
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String.prototype.toString = function() { return 'new'; };
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assertEquals('got new', 'got ' + x);
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