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sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
17 lines
503 B
JavaScript
17 lines
503 B
JavaScript
// Copyright 2018 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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class Test extends Number {}
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Test.prototype[Symbol.toStringTag] = "Test";
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function toString(o) {
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%ToFastProperties(o.__proto__);
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return Object.prototype.toString.call(o);
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}
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assertEquals("[object Test]", toString(new Test), "Try #1");
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assertEquals("[object Test]", toString(new Test), "Try #2");
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