Test how file system methods react to too few arguments. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS webkitRequestFileSystem() threw exception TypeError: Not enough arguments. PASS webkitRequestFileSystem(TEMPORARY) threw exception TypeError: Not enough arguments. PASS webkitResolveLocalFileSystemURL() threw exception TypeError: Not enough arguments. PASS successfullyParsed is true TEST COMPLETE