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sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
32 lines
732 B
JavaScript
32 lines
732 B
JavaScript
// Copyright 2016 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 A {}
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class B {}
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Object.assign(B, A);
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assertEquals("class B {}", B.toString());
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(function() {
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function f(a, i, v) {
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a[i] = v;
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}
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f("make it generic", 0, 0);
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var o = {foo: "foo"};
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%OptimizeObjectForAddingMultipleProperties(o, 10);
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var s = %CreatePrivateSymbol("priv");
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f(o, s, "private");
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%ToFastProperties(o);
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var desc = Object.getOwnPropertyDescriptor(o, s);
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assertEquals("private", desc.value);
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assertTrue(desc.writable);
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assertFalse(desc.enumerable);
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assertTrue(desc.configurable);
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})();
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