| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 97 of 152 | 36% | 12 of 16 | 25% | 15 | 20 | 23 | 44 | 7 | 12 |
| add(ExtensionLite) | | 0% | | 0% | 4 | 4 | 9 | 9 | 1 | 1 |
| add(GeneratedMessageLite.GeneratedExtension) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| findLiteExtensionByNumber(MessageLite, int) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| newInstance() | | 0% | | 0% | 2 | 2 | 3 | 3 | 1 | 1 |
| ExtensionRegistryLite(ExtensionRegistryLite) | | 66% | | 50% | 1 | 2 | 1 | 5 | 0 | 1 |
| getUnmodifiable() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| setEagerlyParseMessageSets(boolean) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| getEmptyRegistry() | | 92% | | 50% | 3 | 4 | 1 | 10 | 0 | 1 |
| isEagerlyParseMessageSets() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| ExtensionRegistryLite() | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| ExtensionRegistryLite(boolean) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 |