| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 1,146 of 1,146 | 0% | 122 of 122 | 0% | 70 | 70 | 243 | 243 | 9 | 9 |
| parseOpt(String) | | 0% | | 0% | 46 | 46 | 98 | 98 | 1 | 1 |
| parseOption(String) | | 0% | n/a | 1 | 1 | 57 | 57 | 1 | 1 | |
| nkf(ThreadContext, IRubyObject, IRubyObject, IRubyObject) | | 0% | | 0% | 10 | 10 | 25 | 25 | 1 | 1 |
| guess(ThreadContext, IRubyObject, IRubyObject) | | 0% | | 0% | 7 | 7 | 26 | 26 | 1 | 1 |
| createNKF(Ruby) | | 0% | | 0% | 2 | 2 | 13 | 13 | 1 | 1 |
| static {...} | | 0% | n/a | 1 | 1 | 20 | 20 | 1 | 1 | |
| guess1(ThreadContext, IRubyObject, IRubyObject) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| guess2(ThreadContext, IRubyObject, IRubyObject) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| RubyNKF() | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 |