| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 315 of 331 | 5% | 32 of 32 | 0% | 24 | 26 | 68 | 72 | 8 | 10 |
| backtrace() | | 0% | | 0% | 5 | 5 | 20 | 20 | 1 | 1 |
| trimStackTrace(Member) | | 0% | | 0% | 10 | 10 | 26 | 26 | 1 | 1 |
| NativeException(Ruby, RubyClass, Throwable) | | 0% | n/a | 1 | 1 | 5 | 5 | 1 | 1 | |
| NativeException(Ruby, RubyClass) | | 0% | n/a | 1 | 1 | 5 | 5 | 1 | 1 | |
| printBacktrace(PrintStream) | | 0% | | 0% | 2 | 2 | 5 | 5 | 1 | 1 |
| searchStackMessage(Throwable) | | 0% | | 0% | 3 | 3 | 5 | 5 | 1 | 1 |
| cause(Block) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getCause() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| createClass(Ruby, RubyClass) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |