| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 239 of 239 | 0% | 14 of 14 | 0% | 12 | 12 | 40 | 40 | 5 | 5 |
| formatActivation(RubyContext, Activation, List) | | 0% | | 0% | 4 | 4 | 20 | 20 | 1 | 1 |
| format(RubyContext, RubyException, Backtrace) | | 0% | | 0% | 3 | 3 | 10 | 10 | 1 | 1 |
| formatFrame(RubyContext, MaterializedFrame, List) | | 0% | | 0% | 2 | 2 | 5 | 5 | 1 | 1 |
| formatDeclarationFrame(RubyContext, MaterializedFrame, List) | | 0% | | 0% | 2 | 2 | 4 | 4 | 1 | 1 |
| ImplementationDebugBacktraceFormatter() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |