| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 45 of 124 | 64% | 7 of 10 | 30% | 5 | 11 | 10 | 28 | 1 | 6 |
| initialize(ThreadContext, IRubyObject[], Block) | | 40% | | 17% | 3 | 4 | 5 | 9 | 0 | 1 |
| initialize_copy(ThreadContext, IRubyObject) | | 0% | | 0% | 2 | 2 | 5 | 5 | 1 | 1 |
| each(ThreadContext, IRubyObject[], Block) | | 100% | | 100% | 0 | 2 | 0 | 4 | 0 | 1 |
| createGeneratorClass(Ruby) | | 100% | n/a | 0 | 1 | 0 | 6 | 0 | 1 | |
| RubyGenerator(Ruby, RubyClass) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| init(Ruby, IRubyObject) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |