| Test Worker constructor functionality. Should print a series of PASS messages, followed with DONE. | |
| PASS: toString exception propagated correctly. | |
| PASS: trying to create workers recursively resulted in an exception (RangeError: Maximum call stack size exceeded.) | |
| PASS: invoking Worker constructor without arguments resulted in an exception (SyntaxError: Not enough arguments) | |
| PASS: onerror invoked for a script that could not be loaded. | |
| DONE | |