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");