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      1 // Copyright 2013 the V8 project authors. All rights reserved.
      2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
      3 //
      4 // Redistribution and use in source and binary forms, with or without
      5 // modification, are permitted provided that the following conditions
      6 // are met:
      7 // 1.  Redistributions of source code must retain the above copyright
      8 //     notice, this list of conditions and the following disclaimer.
      9 // 2.  Redistributions in binary form must reproduce the above copyright
     10 //     notice, this list of conditions and the following disclaimer in the
     11 //     documentation and/or other materials provided with the distribution.
     12 //
     13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
     14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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     22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23 
     24 description(
     25 "This test case checks whether variables cause properties to be defined even before reaching the declaration statement in various cases."
     26 );
     27 
     28 shouldBeTrue('this.hasOwnProperty("foo")');
     29 var foo = 3;
     30 
     31 delete bar;
     32 shouldBeTrue('this.hasOwnProperty("bar")');
     33 var bar = 3;
     34 
     35 var firstEvalResult = eval('var result = this.hasOwnProperty("y"); var y = 3; result');
     36 shouldBeTrue("firstEvalResult");
     37 
     38 var secondEvalResult = eval('delete x; var result = this.hasOwnProperty("x"); var x = 3; result');
     39 shouldBeFalse("secondEvalResult");
     40 
     41 var thirdEvalResult = false;
     42 try {
     43     thirdEvalResult = (function(){ var x=false; try { throw ""; } catch (e) { eval("var x = true;"); } return x; })();
     44 } catch (e) {
     45     thirdEvalResult = "Threw exception!";
     46 }
     47 shouldBeTrue("thirdEvalResult");
     48 
     49 // Check that the correct this value is passed to a function called having been caught from a throw, where the catch block contains an eval (bug#).
     50 function checkThis()
     51 {
     52     "use strict";
     53     return this === undefined;
     54 }
     55 function testEvalInCatch()
     56 {
     57     try {
     58         throw checkThis;
     59     } catch(e) {
     60         eval('');
     61         return e();
     62     }
     63     return false;
     64 }
     65 shouldBeTrue("testEvalInCatch()");
     66