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/extensions/nested-delete-name-in-evalcode.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,99 @@
     1.4 +// |reftest| fails -- bug 604301, at a minimum
     1.5 +// Any copyright is dedicated to the Public Domain.
     1.6 +// http://creativecommons.org/licenses/publicdomain/
     1.7 +
     1.8 +//-----------------------------------------------------------------------------
     1.9 +var BUGNUMBER = 616294;
    1.10 +var summary =
    1.11 +  "|delete x| inside a function in eval code, where that eval code includes " +
    1.12 +  "|var x| at top level, actually does delete the binding for x";
    1.13 +
    1.14 +print(BUGNUMBER + ": " + summary);
    1.15 +
    1.16 +/**************
    1.17 + * BEGIN TEST *
    1.18 + **************/
    1.19 +
    1.20 +var f;
    1.21 +
    1.22 +function testOuterLet()
    1.23 +{
    1.24 +  return eval("let x; (function() { return delete x; })");
    1.25 +}
    1.26 +
    1.27 +f = testOuterLet();
    1.28 +
    1.29 +assertEq(f(), true); // configurable, so remove => true
    1.30 +assertEq(f(), true); // not there => true (only non-configurable => false)
    1.31 +
    1.32 +
    1.33 +function testOuterForLet()
    1.34 +{
    1.35 +  return eval("for (let x; false; ); (function() { return delete x; })");
    1.36 +}
    1.37 +
    1.38 +f = testOuterForLet();
    1.39 +
    1.40 +assertEq(f(), true); // not there => true (only non-configurable => false)
    1.41 +
    1.42 +
    1.43 +function testOuterForInLet()
    1.44 +{
    1.45 +  return eval("for (let x in {}); (function() { return delete x; })");
    1.46 +}
    1.47 +
    1.48 +f = testOuterForInLet();
    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 testOuterNestedVarInLetBlock()
    1.55 +{
    1.56 +  return eval("let (x = 7) { var x = 9; } (function() { return delete x; })");
    1.57 +}
    1.58 +
    1.59 +f = testOuterNestedVarInLetBlock();
    1.60 +
    1.61 +assertEq(f(), true); // configurable var, so remove => true
    1.62 +assertEq(f(), true); // let still there, configurable => true
    1.63 +assertEq(f(), true); // nothing at all => true
    1.64 +
    1.65 +
    1.66 +function testOuterNestedVarInForLet()
    1.67 +{
    1.68 +  return eval("for (let q = 0; q < 5; q++) { var x; } (function() { return delete x; })");
    1.69 +}
    1.70 +
    1.71 +f = testOuterNestedVarInForLet();
    1.72 +
    1.73 +assertEq(f(), true); // configurable, so remove => true
    1.74 +assertEq(f(), true); // there => true
    1.75 +
    1.76 +
    1.77 +function testArgumentShadowLet()
    1.78 +{
    1.79 +  return eval("let x; (function(x) { return delete x; })");
    1.80 +}
    1.81 +
    1.82 +f = testArgumentShadowLet();
    1.83 +
    1.84 +assertEq(f(), false); // non-configurable argument => false
    1.85 +
    1.86 +
    1.87 +function testFunctionLocal()
    1.88 +{
    1.89 +  return eval("(function() { let x; return delete x; })");
    1.90 +}
    1.91 +
    1.92 +f = testFunctionLocal();
    1.93 +
    1.94 +assertEq(f(), false); // defined by function code => not configurable => false
    1.95 +
    1.96 +
    1.97 +/******************************************************************************/
    1.98 +
    1.99 +if (typeof reportCompare === "function")
   1.100 +  reportCompare(true, true);
   1.101 +
   1.102 +print("All tests passed!");