1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/js/src/jit-test/tests/basic/splice-675164.js Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,15 @@ 1.4 +function NPList() {} 1.5 +NPList.prototype = new Array; 1.6 + 1.7 +var list = new NPList(); 1.8 +list.push('a'); 1.9 + 1.10 +var cut = list.splice(0, 1); 1.11 + 1.12 +assertEq(cut[0], 'a'); 1.13 +assertEq(cut.length, 1); 1.14 +assertEq(list.length, 0); 1.15 + 1.16 +var desc = Object.getOwnPropertyDescriptor(list, "0"); 1.17 +assertEq(desc, undefined); 1.18 +assertEq("0" in list, false);