| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 1,516 of 3,039 | 50% | 123 of 272 | 54% | 211 | 395 | 359 | 764 | 130 | 249 | 5 | 19 |
| IonObjectMapper.java | 15% | 0% | 42 | 46 | 76 | 90 | 34 | 38 | 0 | 2 | ||
| IonFactory.java | 38% | 22% | 39 | 54 | 72 | 111 | 31 | 45 | 0 | 1 | ||
| IonParser.java | 77% | 80% | 38 | 145 | 59 | 262 | 14 | 61 | 0 | 2 | ||
| IonGenerator.java | 62% | 37% | 42 | 76 | 69 | 171 | 24 | 56 | 0 | 2 | ||
| IonFactoryBuilder.java | 28% | 7% | 17 | 27 | 30 | 49 | 10 | 20 | 0 | 1 | ||
| IonWriteContext.java | 48% | 27% | 11 | 16 | 10 | 23 | 2 | 7 | 0 | 1 | ||
| EnumAsIonSymbolSerializer.java | 0% | 0% | 6 | 6 | 13 | 13 | 4 | 4 | 1 | 1 | ||
| IonTimestampSerializers.java | 33% | 25% | 4 | 7 | 10 | 17 | 2 | 5 | 1 | 3 | ||
| IonSymbolSerializer.java | 0% | 0% | 5 | 5 | 9 | 9 | 4 | 4 | 1 | 1 | ||
| IonTimestampDeserializers.java | 49% | 50% | 4 | 9 | 6 | 13 | 2 | 5 | 1 | 3 | ||
| EnumAsIonSymbolModule.java | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | 1 | 1 | ||
| PackageVersion.java | 54% | n/a | 2 | 3 | 2 | 3 | 2 | 3 | 0 | 1 |