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/match-throws-nonwritable-lastIndex-global.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,88 @@
     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.match 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
    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.match(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 +}
    1.37 +
    1.38 +// Second time with .lastIndex !== 0
    1.39 +
    1.40 +var p2 = /x/g;
    1.41 +Object.defineProperty(p2, "lastIndex", { writable: false, value: 3 });
    1.42 +
    1.43 +try
    1.44 +{
    1.45 +  s.match(p2);
    1.46 +  throw "didn't throw";
    1.47 +}
    1.48 +catch (e)
    1.49 +{
    1.50 +  assertEq(e instanceof TypeError, true,
    1.51 +           "should have thrown a TypeError, instead got: " + e);
    1.52 +}
    1.53 +
    1.54 +// Third time with .lastIndex === 0, no matches
    1.55 +
    1.56 +var p3 = /q/g;
    1.57 +Object.defineProperty(p3, "lastIndex", { writable: false });
    1.58 +
    1.59 +try
    1.60 +{
    1.61 +  s.match(p3);
    1.62 +  throw "didn't throw";
    1.63 +}
    1.64 +catch (e)
    1.65 +{
    1.66 +  assertEq(e instanceof TypeError, true,
    1.67 +           "should have thrown a TypeError, instead got: " + e);
    1.68 +}
    1.69 +
    1.70 +// Fourth time with .lastIndex !== 0, no matches
    1.71 +
    1.72 +var p4 = /q/g;
    1.73 +Object.defineProperty(p4, "lastIndex", { writable: false, value: 3 });
    1.74 +
    1.75 +try
    1.76 +{
    1.77 +  s.match(p4);
    1.78 +  throw "didn't throw";
    1.79 +}
    1.80 +catch (e)
    1.81 +{
    1.82 +  assertEq(e instanceof TypeError, true,
    1.83 +           "should have thrown a TypeError, instead got: " + e);
    1.84 +}
    1.85 +
    1.86 +/******************************************************************************/
    1.87 +
    1.88 +if (typeof reportCompare === "function")
    1.89 +  reportCompare(true, true);
    1.90 +
    1.91 +print("Tests complete");