| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 201 of 201 | 0% | 24 of 24 | 0% | 19 | 19 | 52 | 52 | 7 | 7 |
| append(Object, int, RubyArray) | | 0% | | 0% | 8 | 8 | 19 | 19 | 1 | 1 |
| append(Object, int, Object) | | 0% | | 0% | 4 | 4 | 12 | 12 | 1 | 1 |
| ensure(Object, int) | | 0% | | 0% | 2 | 2 | 8 | 8 | 1 | 1 |
| start(int) | | 0% | | 0% | 2 | 2 | 6 | 6 | 1 | 1 |
| ArrayBuilderNode.IntegerArrayBuilderNode(RubyContext, int) | | 0% | n/a | 1 | 1 | 5 | 5 | 1 | 1 | |
| start() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| finish(Object, int) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |