| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 17 of 206 | 91% | 4 of 20 | 80% | 4 | 19 | 4 | 45 | 0 | 6 |
| escape(String) | | 79% | | 71% | 4 | 11 | 4 | 17 | 0 | 1 |
| format(LogRecord) | | 100% | | 100% | 0 | 3 | 0 | 15 | 0 | 1 |
| appendField(StringBuilder, String, String, boolean) | | 100% | | 100% | 0 | 2 | 0 | 4 | 0 | 1 |
| renderThrowable(Throwable) | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | |
| lambda$format$0(StringBuilder, ScanRun) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| JsonLineFormatter() | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |