| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 10 of 280 | 96% | 1 of 2 | 50% | 3 | 7 | 2 | 30 | 2 | 6 |
| valueOf(String) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| intValue() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| valueOf(IRubyObject) | | 78% | | 50% | 1 | 2 | 1 | 3 | 0 | 1 |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 26 | 0 | 1 | |
| NativeType(String, int) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| values() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |