| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 100 of 100 | 0% | 8 of 8 | 0% | 12 | 12 | 24 | 24 | 8 | 8 |
| TestBuiltInTypeRegistry.CompatibilityAssertion(TestBuiltInTypeRegistry, Optional, boolean, boolean) | | 0% | | 0% | 4 | 4 | 6 | 6 | 1 | 1 |
| hasCommonSuperType(Type) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| isIncompatible() | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| canCoerceToEachOther() | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| canCoerceFirstToSecondOnly() | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| canCoerceSecondToFirstOnly() | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| cannotCoerceToEachOther() | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| hasCommonSuperType(String) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |