| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 48 of 68 | 29% | 5 of 6 | 16% | 11 | 14 | 12 | 21 | 8 | 11 |
| setSign(char) | | 38% | | 16% | 3 | 4 | 1 | 4 | 0 | 1 |
| toString() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getExpression(Class) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| accept(ExpressionVisitor, Object) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| withSign(char) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| withExpression(Expression) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| SignedExpression() | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| getSign() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getExpression() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| SignedExpression(char, Expression) | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | |
| setExpression(Expression) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |