| /* |
| * Any copyright is dedicated to the Public Domain. |
| * http://creativecommons.org/licenses/publicdomain/ |
| * Contributor: |
| * Jeff Walden <jwalden+code@mit.edu> |
| */ |
| |
| //----------------------------------------------------------------------------- |
| var BUGNUMBER = 866700; |
| var summary = "Assertion redefining non-writable length to a non-numeric value"; |
| |
| print(BUGNUMBER + ": " + summary); |
| |
| /************** |
| * BEGIN TEST * |
| **************/ |
| |
| var count = 0; |
| |
| var convertible = |
| { |
| valueOf: function() |
| { |
| count++; |
| if (count > 2) |
| return 0; |
| throw new SyntaxError("fnord"); |
| } |
| }; |
| |
| var arr = []; |
| Object.defineProperty(arr, "length", { value: 0, writable: false }); |
| |
| try |
| { |
| Object.defineProperty(arr, "length", |
| { |
| value: convertible, |
| writable: true, |
| configurable: true, |
| enumerable: true |
| }); |
| throw new Error("didn't throw"); |
| } |
| catch (e) |
| { |
| assertEq(e instanceof SyntaxError, true, "expected SyntaxError, got " + e); |
| } |
| |
| assertEq(count, 1); |
| assertEq(arr.length, 0); |
| |
| /******************************************************************************/ |
| |
| if (typeof reportCompare === "function") |
| reportCompare(true, true); |
| |
| print("Tests complete"); |