| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 477 of 564 | 15% | 86 of 94 | 9% | 54 | 60 | 96 | 120 | 5 | 11 |
| shouldRunInProcess() | | 4% | | 3% | 18 | 19 | 25 | 27 | 0 | 1 |
| shouldRunInShell() | | 10% | | 14% | 7 | 8 | 15 | 17 | 0 | 1 |
| verifyExecutableForDirect() | | 0% | | 0% | 2 | 2 | 12 | 12 | 1 | 1 |
| verifyExecutableForShell() | | 0% | | 0% | 6 | 6 | 10 | 10 | 1 | 1 |
| hasRedirection(String) | | 15% | | 6% | 10 | 11 | 23 | 26 | 0 | 1 |
| isCmdBuiltin(String) | | 0% | | 0% | 3 | 3 | 6 | 6 | 1 | 1 |
| isBatch(File) | | 0% | | 0% | 3 | 3 | 2 | 2 | 1 | 1 |
| getExecArgs() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| shouldVerifyPathExecutable(String) | | 78% | | 50% | 1 | 2 | 1 | 4 | 0 | 1 |
| verifyExecutable() | | 97% | | 50% | 3 | 4 | 1 | 7 | 0 | 1 |
| ShellLauncher.LaunchConfig(Ruby, IRubyObject[], boolean) | | 100% | n/a | 0 | 1 | 0 | 8 | 0 | 1 |