| PASS Test postMessage with no port. | |
| PASS Test postMessage with no arguments. | |
| PASS Test postMessage with no ports and empty array. | |
| PASS Test postMessage with two ports. | |
| PASS Test empty postMessage throws exception. | |
| PASS Test postMessage with null ports throws exception. | |
| PASS Test postMessage with incorrect ports throws exception | |
| PASS Test postMessage without sequence throws exception | |
| PASS Test postMessage on channel with previous failed postMessage calls. | |