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      1 // Copyright 2010 the V8 project authors. All rights reserved.
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      3 // modification, are permitted provided that the following conditions are
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      5 //
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     14 //       from this software without specific prior written permission.
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     27 
     28 // Tests loading of aguments across eval calls.
     29 
     30 // Test loading across an eval call that does not shadow variables.
     31 function testNoShadowing(x, h) {
     32   function f() {
     33     eval('1');
     34     assertEquals(1, x);
     35     assertEquals(2, h());
     36     function g() {
     37       assertEquals(1, x);
     38       assertEquals(2, h());
     39     }
     40     g();
     41   }
     42   f();
     43 }
     44 
     45 testNoShadowing(1, function() { return 2; });
     46 
     47 // Test loading across eval calls that do not shadow variables.
     48 function testNoShadowing2(x, h) {
     49   eval('1');
     50   function f() {
     51     eval('1');
     52     assertEquals(1, x);
     53     assertEquals(2, h());
     54     function g() {
     55       assertEquals(1, x);
     56       assertEquals(2, h());
     57     }
     58     g();
     59   }
     60   f();
     61 }
     62 
     63 testNoShadowing2(1, function() { return 2; });
     64 
     65 // Test loading across an eval call that shadows variables.
     66 function testShadowing(x, h) {
     67   function f() {
     68     assertEquals(1, x);
     69     assertEquals(2, h());
     70     eval('var x = 3; var h = function() { return 4; };');
     71     assertEquals(3, x);
     72     assertEquals(4, h());
     73     function g() {
     74       assertEquals(3, x);
     75       assertEquals(4, h());
     76     }
     77     g();
     78   }
     79   f();
     80   assertEquals(1, x);
     81   assertEquals(2, h());
     82 }
     83 
     84 testShadowing(1, function() { return 2; });
     85 
     86 
     87