| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 29 of 173 | 83% | 3 of 10 | 70% | 5 | 16 | 4 | 35 | 3 | 11 |
| toString() | 0% | 0% | 2 | 2 | 1 | 1 | 1 | 1 | ||
| visit(IRVisitor) | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | ||
| getPieces() | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | ||
| interpret(ThreadContext, StaticScope, DynamicScope, IRubyObject, Object[]) | 96% | 75% | 1 | 3 | 0 | 7 | 0 | 1 | ||
| clone(CloneInfo) | 100% | 100% | 0 | 2 | 0 | 5 | 0 | 1 | ||
| simplifyOperands(Map, boolean) | 100% | 100% | 0 | 2 | 0 | 6 | 0 | 1 | ||
| BacktickInstr(Variable, Operand) | 100% | n/a | 0 | 1 | 0 | 5 | 0 | 1 | ||
| BacktickInstr(Variable, List) | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | ||
| getOperands() | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | ||
| updateResult(Variable) | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | ||
| getResult() | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |