| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 123 of 387 | 68% | 21 of 52 | 59% | 17 | 41 | 20 | 77 | 4 | 15 |
| equals(Object) | | 0% | | 0% | 5 | 5 | 9 | 9 | 1 | 1 |
| toString() | | 0% | | 0% | 2 | 2 | 4 | 4 | 1 | 1 |
| hashCode() | | 0% | | 0% | 3 | 3 | 4 | 4 | 1 | 1 |
| isFull() | | 0% | | 0% | 2 | 2 | 1 | 1 | 1 | 1 |
| preserveTop(int, int) | | 86% | | 75% | 3 | 7 | 1 | 14 | 0 | 1 |
| bulkPop(int) | | 86% | | 50% | 2 | 3 | 1 | 6 | 0 | 1 |
| push(Object) | | 100% | | 100% | 0 | 3 | 0 | 8 | 0 | 1 |
| FlexStack(int, Class) | | 100% | | 100% | 0 | 2 | 0 | 7 | 0 | 1 |
| pop() | | 100% | | 100% | 0 | 2 | 0 | 5 | 0 | 1 |
| expandEntries(int) | | 100% | n/a | 0 | 1 | 0 | 5 | 0 | 1 | |
| set(int, Object) | | 100% | | 100% | 0 | 3 | 0 | 6 | 0 | 1 |
| get(int) | | 100% | | 100% | 0 | 3 | 0 | 3 | 0 | 1 |
| peek() | | 100% | | 100% | 0 | 2 | 0 | 3 | 0 | 1 |
| isEmpty() | | 100% | | 100% | 0 | 2 | 0 | 1 | 0 | 1 |
| size() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |