| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 157 of 157 | 0% | 18 of 18 | 0% | 15 | 15 | 48 | 48 | 6 | 6 |
| wait_readable(ThreadContext, IRubyObject, IRubyObject[]) | | 0% | | 0% | 5 | 5 | 16 | 16 | 1 | 1 |
| wait_writable(ThreadContext, IRubyObject, IRubyObject[]) | | 0% | | 0% | 4 | 4 | 15 | 15 | 1 | 1 |
| nread(ThreadContext, IRubyObject) | | 0% | | 0% | 2 | 2 | 7 | 7 | 1 | 1 |
| ready(ThreadContext, IRubyObject) | | 0% | | 0% | 2 | 2 | 6 | 6 | 1 | 1 |
| load(Ruby, boolean) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| IOWaitLibrary() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |