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      1 // Copyright 2009 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
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     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 // Tests loading of properties across eval calls.
     29 
     30 var x = 1;
     31 
     32 // Test loading across an eval call that does not shadow variables.
     33 function testNoShadowing() {
     34   var y = 2;
     35   function f() {
     36     eval('1');
     37     assertEquals(1, x);
     38     assertEquals(2, y);
     39     function g() {
     40       assertEquals(1, x);
     41       assertEquals(2, y);
     42     }
     43     g();
     44   }
     45   f();
     46 }
     47 
     48 testNoShadowing();
     49 
     50 // Test loading across eval calls that do not shadow variables.
     51 function testNoShadowing2() {
     52   var y = 2;
     53   eval('1');
     54   function f() {
     55     eval('1');
     56     assertEquals(1, x);
     57     assertEquals(2, y);
     58     function g() {
     59       assertEquals(1, x);
     60       assertEquals(2, y);
     61     }
     62     g();
     63   }
     64   f();
     65 }
     66 
     67 testNoShadowing2();
     68 
     69 // Test loading across an eval call that shadows variables.
     70 function testShadowing() {
     71   var y = 2;
     72   function f() {
     73     eval('var x = 3; var y = 4;');
     74     assertEquals(3, x);
     75     assertEquals(4, y);
     76     function g() {
     77       assertEquals(3, x);
     78       assertEquals(4, y);
     79     }
     80     g();
     81   }
     82   f();
     83 }
     84 
     85 testShadowing();
     86