Javascript  |  43行  |  2.13 KB

// Copyright 2011 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
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//       with the distribution.
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//
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// Regression test for a crash.  A data property in the global object's
// prototype shadowed by a setter in the global object's prototype's
// prototype would crash or assert when seen by Runtime_DeclareContextSlot.
var called = false;
Object.prototype.__defineSetter__('x', function(x) { called = true; });
Object.prototype.__defineGetter__('x', function () { return 0; });

this.__proto__ = { x: 1 };

try { fail; } catch (e) { eval('const x = 2'); }

var o = Object.getOwnPropertyDescriptor(this, 'x');
assertFalse(called);
assertEquals(2, o.value);
assertEquals(false, o.writable);