js/src/tests/ecma_5/Array/redefine-nonwritable-length-custom-conversion-throw.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/ecma_5/Array/redefine-nonwritable-length-custom-conversion-throw.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,58 @@
     1.4 +/*
     1.5 + * Any copyright is dedicated to the Public Domain.
     1.6 + * http://creativecommons.org/licenses/publicdomain/
     1.7 + * Contributor:
     1.8 + *   Jeff Walden <jwalden+code@mit.edu>
     1.9 + */
    1.10 +
    1.11 +//-----------------------------------------------------------------------------
    1.12 +var BUGNUMBER = 866700;
    1.13 +var summary = "Assertion redefining non-writable length to a non-numeric value";
    1.14 +
    1.15 +print(BUGNUMBER + ": " + summary);
    1.16 +
    1.17 +/**************
    1.18 + * BEGIN TEST *
    1.19 + **************/
    1.20 +
    1.21 +var count = 0;
    1.22 +
    1.23 +var convertible =
    1.24 +  {
    1.25 +    valueOf: function()
    1.26 +    {
    1.27 +      count++;
    1.28 +      if (count > 2)
    1.29 +        return 0;
    1.30 +      throw new SyntaxError("fnord");
    1.31 +    }
    1.32 +  };
    1.33 +
    1.34 +var arr = [];
    1.35 +Object.defineProperty(arr, "length", { value: 0, writable: false });
    1.36 +
    1.37 +try
    1.38 +{
    1.39 +  Object.defineProperty(arr, "length",
    1.40 +                        {
    1.41 +                          value: convertible,
    1.42 +                          writable: true,
    1.43 +                          configurable: true,
    1.44 +                          enumerable: true
    1.45 +                        });
    1.46 +  throw new Error("didn't throw");
    1.47 +}
    1.48 +catch (e)
    1.49 +{
    1.50 +  assertEq(e instanceof SyntaxError, true, "expected SyntaxError, got " + e);
    1.51 +}
    1.52 +
    1.53 +assertEq(count, 1);
    1.54 +assertEq(arr.length, 0);
    1.55 +
    1.56 +/******************************************************************************/
    1.57 +
    1.58 +if (typeof reportCompare === "function")
    1.59 +  reportCompare(true, true);
    1.60 +
    1.61 +print("Tests complete");

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