| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 1,577 of 3,845 | 58% | 199 of 378 | 47% | 250 | 481 | 360 | 928 | 120 | 286 | 1 | 22 |
| JsonObject.java | | 58% | | 54% | 53 | 102 | 83 | 200 | 26 | 59 | 0 | 4 |
| Json.java | | 38% | | 20% | 30 | 52 | 45 | 84 | 11 | 30 | 0 | 2 |
| JsonParser.java | | 78% | | 60% | 43 | 108 | 49 | 260 | 2 | 33 | 0 | 1 |
| JsonArray.java | | 41% | | 40% | 28 | 46 | 48 | 82 | 21 | 36 | 0 | 2 |
| JsonValue.java | | 29% | | 50% | 23 | 35 | 26 | 49 | 21 | 33 | 0 | 1 |
| PrettyPrint.java | | 11% | | 10% | 17 | 19 | 40 | 47 | 12 | 14 | 1 | 2 |
| JsonWriter.java | | 83% | | 50% | 8 | 28 | 9 | 66 | 0 | 15 | 0 | 1 |
| Location.java | | 37% | | 0% | 8 | 10 | 9 | 15 | 2 | 4 | 0 | 1 |
| JsonLiteral.java | | 59% | | 41% | 7 | 16 | 10 | 23 | 3 | 10 | 0 | 1 |
| JsonString.java | | 34% | | 12% | 6 | 10 | 10 | 18 | 2 | 6 | 0 | 1 |
| WritingBuffer.java | | 79% | | 60% | 5 | 12 | 9 | 31 | 2 | 7 | 0 | 1 |
| JsonNumber.java | | 65% | | 50% | 7 | 14 | 7 | 22 | 3 | 10 | 0 | 1 |
| JsonHandler.java | | 40% | n/a | 11 | 20 | 11 | 20 | 11 | 20 | 0 | 1 | |
| ParseException.java | | 51% | n/a | 4 | 5 | 4 | 7 | 4 | 5 | 0 | 1 | |
| WriterConfig.java | | 100% | n/a | 0 | 4 | 0 | 4 | 0 | 4 | 0 | 2 |