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/String/replace-throws-nonwritable-lastIndex-global.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,126 @@
     1.4 +/*
     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 = 501739;
    1.10 +var summary =
    1.11 +  "String.prototype.replace should throw when called with a global RegExp " +
    1.12 +  "whose .lastIndex is non-writable";
    1.13 +
    1.14 +print(BUGNUMBER + ": " + summary);
    1.15 +
    1.16 +/**************
    1.17 + * BEGIN TEST *
    1.18 + **************/
    1.19 +
    1.20 +var s = '0x2x4x6x8';
    1.21 +
    1.22 +// First time with .lastIndex === 0, replacing to ''
    1.23 +
    1.24 +var p1 = /x/g;
    1.25 +Object.defineProperty(p1, "lastIndex", { writable: false });
    1.26 +
    1.27 +try
    1.28 +{
    1.29 +  s.replace(p1, '');
    1.30 +  throw "didn't throw";
    1.31 +}
    1.32 +catch (e)
    1.33 +{
    1.34 +  assertEq(e instanceof TypeError, true,
    1.35 +           "should have thrown a TypeError, instead got: " + e);
    1.36 +  assertEq(p1.lastIndex, 0);
    1.37 +}
    1.38 +
    1.39 +// Second time with .lastIndex !== 0, replacing to ''
    1.40 +
    1.41 +var p2 = /x/g;
    1.42 +Object.defineProperty(p2, "lastIndex", { writable: false, value: 3 });
    1.43 +
    1.44 +try
    1.45 +{
    1.46 +  s.replace(p2, '');
    1.47 +  throw "didn't throw";
    1.48 +}
    1.49 +catch (e)
    1.50 +{
    1.51 +  assertEq(e instanceof TypeError, true,
    1.52 +           "should have thrown a TypeError, instead got: " + e);
    1.53 +  assertEq(p2.lastIndex, 3);
    1.54 +}
    1.55 +
    1.56 +// Third time with .lastIndex === 0, replacing to 'y'
    1.57 +
    1.58 +var p3 = /x/g;
    1.59 +Object.defineProperty(p3, "lastIndex", { writable: false });
    1.60 +
    1.61 +try
    1.62 +{
    1.63 +  s.replace(p3, 'y');
    1.64 +  throw "didn't throw";
    1.65 +}
    1.66 +catch (e)
    1.67 +{
    1.68 +  assertEq(e instanceof TypeError, true,
    1.69 +           "should have thrown a TypeError, instead got: " + e);
    1.70 +  assertEq(p3.lastIndex, 0);
    1.71 +}
    1.72 +
    1.73 +// Fourth time with .lastIndex !== 0, replacing to 'y'
    1.74 +
    1.75 +var p4 = /x/g;
    1.76 +Object.defineProperty(p4, "lastIndex", { writable: false, value: 3 });
    1.77 +
    1.78 +try
    1.79 +{
    1.80 +  s.replace(p4, '');
    1.81 +  throw "didn't throw";
    1.82 +}
    1.83 +catch (e)
    1.84 +{
    1.85 +  assertEq(e instanceof TypeError, true,
    1.86 +           "should have thrown a TypeError, instead got: " + e);
    1.87 +  assertEq(p4.lastIndex, 3);
    1.88 +}
    1.89 +
    1.90 +// Fifth time with .lastIndex === 0, replacing to 'y', but no match
    1.91 +
    1.92 +var p5 = /q/g;
    1.93 +Object.defineProperty(p5, "lastIndex", { writable: false });
    1.94 +
    1.95 +try
    1.96 +{
    1.97 +  s.replace(p5, 'y');
    1.98 +  throw "didn't throw";
    1.99 +}
   1.100 +catch (e)
   1.101 +{
   1.102 +  assertEq(e instanceof TypeError, true,
   1.103 +           "should have thrown a TypeError, instead got: " + e);
   1.104 +  assertEq(p5.lastIndex, 0);
   1.105 +}
   1.106 +
   1.107 +// Sixth time with .lastIndex !== 0, replacing to 'y', but no match
   1.108 +
   1.109 +var p6 = /q/g;
   1.110 +Object.defineProperty(p6, "lastIndex", { writable: false, value: 3 });
   1.111 +
   1.112 +try
   1.113 +{
   1.114 +  s.replace(p6, '');
   1.115 +  throw "didn't throw";
   1.116 +}
   1.117 +catch (e)
   1.118 +{
   1.119 +  assertEq(e instanceof TypeError, true,
   1.120 +           "should have thrown a TypeError, instead got: " + e);
   1.121 +  assertEq(p6.lastIndex, 3);
   1.122 +}
   1.123 +
   1.124 +/******************************************************************************/
   1.125 +
   1.126 +if (typeof reportCompare === "function")
   1.127 +  reportCompare(true, true);
   1.128 +
   1.129 +print("Tests complete");