Home | History | Annotate | Download | only in webkit 
      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
     16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23 
     24 description(
     25 "Tests that GetLocals on captured variables aren't eliminated too aggressively."
     26 );
     27 
     28 function foo() {
     29     var x;
     30     (function(){
     31         x = 42;
     32         x = 42;
     33         x = 42;
     34         x = 42;
     35         x = 42;
     36         x = 42;
     37         x = 42;
     38         x = 42;
     39         x = 42;
     40         x = 42;
     41         x = 42;
     42         x = 42;
     43         x = 42;
     44         x = 42;
     45         x = 42;
     46         x = 42;
     47         x = 42;
     48         x = 42;
     49         x = 42;
     50         x = 42;
     51         x = 42;
     52         x = 42;
     53         x = 42;
     54         x = 42;
     55         x = 42;
     56         x = 42;
     57         x = 42;
     58         x = 42;
     59         x = 42;
     60         x = 42;
     61         x = 42;
     62         x = 42;
     63         x = 42;
     64         x = 42;
     65         x = 42;
     66         x = 42;
     67         x = 42;
     68         x = 42;
     69         x = 42;
     70         x = 42;
     71         x = 42;
     72         x = 42;
     73         x = 42;
     74         x = 42;
     75         x = 42;
     76         x = 42;
     77         x = 42;
     78         x = 42;
     79         x = 42;
     80         x = 42;
     81         x = 42;
     82         x = 42;
     83         x = 42;
     84         x = 42;
     85         x = 42;
     86         x = 42;
     87         x = 42;
     88         x = 42;
     89         x = 42;
     90         x = 42;
     91         x = 42;
     92         x = 42;
     93         x = 42;
     94         x = 42;
     95     })();
     96     var y = x;
     97     return y;
     98 }
     99 
    100 for (var i = 0; i < 100; ++i)
    101     shouldBe("foo()", "42");
    102