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");