| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 57 of 83 | 31% | 2 of 4 | 50% | 5 | 6 | 1 | 6 | 3 | 4 |
| interfaceDefinitionToCeylon(Tree.InterfaceDefinition, Callable) | | 45% | | 50% | 2 | 3 | 0 | 5 | 0 | 1 |
| interfaceDefinitionToCeylon$update(Tree.InterfaceDefinition) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| interfaceDefinitionToCeylon(Tree.InterfaceDefinition) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| interfaceDefinitionToCeylon_() | | 0% | n/a | 1 | 1 | 0 | 0 | 1 | 1 |