| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 35 of 219 | 84% | 19 of 44 | 56% | 13 | 25 | 4 | 45 | 0 | 3 |
| writeString(String) | | 85% | | 55% | 10 | 18 | 2 | 30 | 0 | 1 |
| writeBool(boolean) | | 79% | | 60% | 3 | 6 | 2 | 13 | 0 | 1 |
| JSONWriterUTF16JDK9UF(JSONWriter.Context) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |