| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 14 of 155 | 91% | 1 of 8 | 88% | 1 | 6 | 3 | 26 | 0 | 2 |
| call(ThreadContext, IRubyObject[], Block) | | 91% | | 88% | 1 | 5 | 3 | 25 | 0 | 1 |
| Tempfile.TempfileCallback(Tempfile) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |