js/src/tests/ecma_5/Array/redefine-nonwritable-length-nonnumeric.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-nonnumeric.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,32 @@
     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 arr = [];
    1.22 +Object.defineProperty(arr, "length", { value: 0, writable: false });
    1.23 +
    1.24 +// Per Array's magical behavior, the value in the descriptor gets canonicalized
    1.25 +// *before* SameValue comparisons occur, so this shouldn't throw.
    1.26 +Object.defineProperty(arr, "length", { value: '' });
    1.27 +
    1.28 +assertEq(arr.length, 0);
    1.29 +
    1.30 +/******************************************************************************/
    1.31 +
    1.32 +if (typeof reportCompare === "function")
    1.33 +  reportCompare(true, true);
    1.34 +
    1.35 +print("Tests complete");

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