| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 15 of 15 | 0% | 0 of 0 | n/a | 3 | 3 | 6 | 6 | 3 | 3 |
| setByte(RubyString, int, Object) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| StringNodes.SetByteNode(RubyContext, SourceSection) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| StringNodes.SetByteNode(StringNodes.SetByteNode) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 |