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// Copyright 2011 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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var e = new Error();
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assertFalse(e.hasOwnProperty('message'));
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Error.prototype.toString = Object.prototype.toString;
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assertEquals("[object Error]", Error.prototype.toString());
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assertEquals(Object.prototype, Error.prototype.__proto__);
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// Check that error construction does not call setters for the
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// properties on error objects in prototypes.
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function fail() { assertTrue(false); };
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ReferenceError.prototype.__defineSetter__('stack', fail);
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ReferenceError.prototype.__defineSetter__('message', fail);
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ReferenceError.prototype.__defineSetter__('type', fail);
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ReferenceError.prototype.__defineSetter__('arguments', fail);
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var e0 = new ReferenceError();
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var e1 = new ReferenceError('123');
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assertTrue(e1.hasOwnProperty('message'));
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assertTrue(e0.hasOwnProperty('stack'));
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assertTrue(e1.hasOwnProperty('stack'));
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assertTrue(e0.hasOwnProperty('type'));
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assertTrue(e1.hasOwnProperty('type'));
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assertTrue(e0.hasOwnProperty('arguments'));
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assertTrue(e1.hasOwnProperty('arguments'));
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// Check that the name property on error prototypes is read-only and
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// dont-delete. This is not specified, but allowing overwriting the
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// name property with a getter can leaks error objects from different
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// script tags in the same context in a browser setting. We therefore
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// disallow changes to the name property on error objects.
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assertEquals("ReferenceError", ReferenceError.prototype.name);
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delete ReferenceError.prototype.name;
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assertEquals("ReferenceError", ReferenceError.prototype.name);
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ReferenceError.prototype.name = "not a reference error";
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assertEquals("ReferenceError", ReferenceError.prototype.name);
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