| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 47 of 172 | 73% | 11 of 22 | 50% | 11 | 26 | 10 | 42 | 5 | 15 |
| toJava(Class) | | 0% | | 0% | 4 | 4 | 4 | 4 | 1 | 1 |
| marshalTo(MarshalStream) | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| RubyBoolean(Ruby, boolean) | | 78% | | 62% | 2 | 5 | 1 | 8 | 0 | 1 |
| hash(ThreadContext) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| constant() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getJavaClass() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| createFalseClass(Ruby) | | 100% | n/a | 0 | 1 | 0 | 8 | 0 | 1 | |
| createTrueClass(Ruby) | | 100% | n/a | 0 | 1 | 0 | 8 | 0 | 1 | |
| id() | | 100% | | 100% | 0 | 2 | 0 | 3 | 0 | 1 |
| getNativeClassIndex() | | 100% | | 100% | 0 | 2 | 0 | 1 | 0 | 1 |
| newBoolean(Ruby, boolean) | | 100% | | 100% | 0 | 2 | 0 | 1 | 0 | 1 |
| getSingletonClass() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| hashCode() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| isImmediate() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| taint(ThreadContext) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |