| var arr = [0,1,,3,4]; |
| Object.prototype[2] = 2; |
| |
| assertEq(arr.join(""), "01234"); |
| assertEq(arr.join(","), "0,1,2,3,4"); |
| |
| arr[2] = "porkchops"; |
| assertEq(arr.join("*"), "0*1*porkchops*3*4"); |
| |
| delete Object.prototype[2]; |
| assertEq(arr.join("*"), "0*1*porkchops*3*4"); |
| |
| delete arr[2]; |
| assertEq(arr.join("*"), "0*1**3*4"); |
| |
| Object.prototype[2] = null; |
| assertEq(arr.join("*"), "0*1**3*4"); |
| Object.prototype[2] = undefined; |
| assertEq(arr.join("*"), "0*1**3*4"); |
| arr[2] = null; |
| assertEq(arr.join("*"), "0*1**3*4"); |
| arr[2] = undefined; |
| assertEq(arr.join("*"), "0*1**3*4"); |
| |
| var arr = new Array(10); |
| assertEq(arr.join(""), ""); |
| assertEq(arr.join(), ",,,,,,,,,"); |
| assertEq(arr.join("|"), "|||||||||"); |
| |
| arr[2] = "doubt"; |
| assertEq(arr.join(","), ",,doubt,,,,,,,"); |
| |
| arr[9] = "failure"; |
| assertEq(arr.join(","), ",,doubt,,,,,,,failure"); |
| |
| delete arr[2]; |
| assertEq(arr.join(","), ",,,,,,,,,failure"); |
| |
| reportCompare(true, true); |