| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 94 of 299 | 69% | 12 of 36 | 67% | 13 | 32 | 3 | 52 | 1 | 14 |
| get(int) | | 42% | | 60% | 4 | 6 | 0 | 6 | 0 | 1 |
| next(ByteList) | | 57% | | 64% | 5 | 8 | 1 | 12 | 0 | 1 |
| Sprintf.Args(Locale, IRubyObject) | | 89% | | 75% | 2 | 5 | 0 | 17 | 0 | 1 |
| warn(IRubyWarnings.ID, String) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| warning(IRubyWarnings.ID, String) | | 45% | | 50% | 1 | 2 | 0 | 2 | 0 | 1 |
| intValue(IRubyObject) | | 100% | | 100% | 0 | 2 | 0 | 3 | 0 | 1 |
| getNthInt(int) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| Sprintf.Args(Ruby, long) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| getNth(int) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| nextInt() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| getDecimalSeparator() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| Sprintf.Args(IRubyObject) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| raiseArgumentError(String) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| raiseKeyError(String) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |