This tests that arrays and array like objects containing holes are sorted correctly. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS testSort([,undefined,0,1]) is true PASS testSort({length:4,1:undefined,2:0,3:1}) is true PASS 0 in array is true PASS 1 in array is false PASS 0 in array is true PASS 1 in array is false PASS 2 in array is false PASS successfullyParsed is true TEST COMPLETE