| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 127 of 164 | 22% | 25 of 30 | 16% | 16 | 19 | 29 | 42 | 1 | 4 |
| sum(IAnyAtomicItem, IAnyAtomicItem) | | 18% | | 16% | 15 | 16 | 28 | 38 | 0 | 1 |
| accept(IExpressionVisitor, Object) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| Addition(IExpression, IExpression) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| operation(IAnyAtomicItem, IAnyAtomicItem) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |