| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 83 of 298 | 72% | 8 of 26 | 69% | 11 | 26 | 19 | 64 | 3 | 13 |
| RubyRandom.RandomType(IRubyObject) | | 61% | | 58% | 5 | 7 | 10 | 28 | 0 | 1 |
| RubyRandom.RandomType(RubyRandom.RandomType) | | 0% | n/a | 1 | 1 | 4 | 4 | 1 | 1 | |
| hashCode() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| RubyRandom.RandomType(Ruby) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| equals(Object) | | 88% | | 62% | 3 | 5 | 2 | 7 | 0 | 1 |
| RubyRandom.RandomType(IRubyObject, RubyBignum, int) | | 100% | | 100% | 0 | 2 | 0 | 8 | 0 | 1 |
| getState() | | 100% | | 100% | 0 | 2 | 0 | 5 | 0 | 1 |
| bigEndianToInts(byte[], int) | | 100% | | 100% | 0 | 2 | 0 | 4 | 0 | 1 |
| genrandInt32() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| genrandReal() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| genrandReal2() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| getLeft() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| getSeed() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |