The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/ecma_5/Expressions/nested-delete-name-in-evalcode.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,163 @@
     1.4 +// Any copyright is dedicated to the Public Domain.
     1.5 +// http://creativecommons.org/licenses/publicdomain/
     1.6 +
     1.7 +//-----------------------------------------------------------------------------
     1.8 +var BUGNUMBER = 616294;
     1.9 +var summary =
    1.10 +  "|delete x| inside a function in eval code, where that eval code includes " +
    1.11 +  "|var x| at top level, actually does delete the binding for x";
    1.12 +
    1.13 +print(BUGNUMBER + ": " + summary);
    1.14 +
    1.15 +/**************
    1.16 + * BEGIN TEST *
    1.17 + **************/
    1.18 +
    1.19 +var f;
    1.20 +
    1.21 +function testOuterVar()
    1.22 +{
    1.23 +  return eval("var x; (function() { return delete x; })");
    1.24 +}
    1.25 +
    1.26 +f = testOuterVar();
    1.27 +
    1.28 +assertEq(f(), true); // configurable, so remove => true
    1.29 +assertEq(f(), true); // not there => true (only non-configurable => false)
    1.30 +
    1.31 +
    1.32 +function testOuterFunction()
    1.33 +{
    1.34 +  return eval("function x() { } (function() { return delete x; })");
    1.35 +}
    1.36 +
    1.37 +f = testOuterFunction();
    1.38 +
    1.39 +assertEq(f(), true); // configurable, so remove => true
    1.40 +assertEq(f(), true); // not there => true (only non-configurable => false)
    1.41 +
    1.42 +
    1.43 +function testOuterForVar()
    1.44 +{
    1.45 +  return eval("for (var x; false; ); (function() { return delete x; })");
    1.46 +}
    1.47 +
    1.48 +f = testOuterForVar();
    1.49 +
    1.50 +assertEq(f(), true); // configurable, so remove => true
    1.51 +assertEq(f(), true); // not there => true (only non-configurable => false)
    1.52 +
    1.53 +
    1.54 +function testOuterForInVar()
    1.55 +{
    1.56 +  return eval("for (var x in {}); (function() { return delete x; })");
    1.57 +}
    1.58 +
    1.59 +f = testOuterForInVar();
    1.60 +
    1.61 +assertEq(f(), true); // configurable, so remove => true
    1.62 +assertEq(f(), true); // not there => true (only non-configurable => false)
    1.63 +
    1.64 +
    1.65 +function testOuterNestedVar()
    1.66 +{
    1.67 +  return eval("for (var q = 0; q < 5; q++) { var x; } (function() { return delete x; })");
    1.68 +}
    1.69 +
    1.70 +f = testOuterNestedVar();
    1.71 +
    1.72 +assertEq(f(), true); // configurable, so remove => true
    1.73 +assertEq(f(), true); // not there => true (only non-configurable => false)
    1.74 +
    1.75 +
    1.76 +function testOuterNestedConditionalVar()
    1.77 +{
    1.78 +  return eval("for (var q = 0; q < 5; q++) { if (false) { var x; } } (function() { return delete x; })");
    1.79 +}
    1.80 +
    1.81 +f = testOuterNestedConditionalVar();
    1.82 +
    1.83 +assertEq(f(), true); // configurable, so remove => true
    1.84 +assertEq(f(), true); // not there => true (only non-configurable => false)
    1.85 +
    1.86 +
    1.87 +function testVarInWith()
    1.88 +{
    1.89 +  return eval("with ({}) { var x; } (function() { return delete x; })");
    1.90 +}
    1.91 +
    1.92 +f = testVarInWith();
    1.93 +
    1.94 +assertEq(f(), true); // configurable, so remove => true
    1.95 +assertEq(f(), true); // not there => true (only non-configurable => false)
    1.96 +
    1.97 +
    1.98 +function testForVarInWith()
    1.99 +{
   1.100 +  return eval("with ({}) { for (var x = 0; x < 5; x++); } (function() { return delete x; })");
   1.101 +}
   1.102 +
   1.103 +f = testForVarInWith();
   1.104 +
   1.105 +assertEq(f(), true); // configurable, so remove => true
   1.106 +assertEq(f(), true); // not there => true (only non-configurable => false)
   1.107 +
   1.108 +
   1.109 +function testForInVarInWith()
   1.110 +{
   1.111 +  return eval("with ({}) { for (var x in {}); } (function() { return delete x; })");
   1.112 +}
   1.113 +
   1.114 +f = testForInVarInWith();
   1.115 +
   1.116 +assertEq(f(), true); // configurable, so remove => true
   1.117 +assertEq(f(), true); // not there => true (only non-configurable => false)
   1.118 +
   1.119 +
   1.120 +function testUnknown()
   1.121 +{
   1.122 +  return eval("nameToDelete = 17; (function() { return delete nameToDelete; })");
   1.123 +}
   1.124 +
   1.125 +f = testUnknown();
   1.126 +
   1.127 +assertEq(f(), true); // configurable global property, so remove => true
   1.128 +assertEq(f(), true); // not there => true (only non-configurable => false)
   1.129 +
   1.130 +
   1.131 +function testArgumentShadow()
   1.132 +{
   1.133 +  return eval("var x; (function(x) { return delete x; })");
   1.134 +}
   1.135 +
   1.136 +f = testArgumentShadow();
   1.137 +
   1.138 +assertEq(f(), false); // non-configurable argument => false
   1.139 +
   1.140 +
   1.141 +function testArgument()
   1.142 +{
   1.143 +  return eval("(function(x) { return delete x; })");
   1.144 +}
   1.145 +
   1.146 +f = testArgument();
   1.147 +
   1.148 +assertEq(f(), false); // non-configurable argument => false
   1.149 +
   1.150 +
   1.151 +function testFunctionLocal()
   1.152 +{
   1.153 +  return eval("(function() { var x; return delete x; })");
   1.154 +}
   1.155 +
   1.156 +f = testFunctionLocal();
   1.157 +
   1.158 +assertEq(f(), false); // defined by function code => not configurable => false
   1.159 +
   1.160 +
   1.161 +/******************************************************************************/
   1.162 +
   1.163 +if (typeof reportCompare === "function")
   1.164 +  reportCompare(true, true);
   1.165 +
   1.166 +print("All tests passed!");