| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 2,297 of 3,209 | 28% | 230 of 252 | 8% | 303 | 363 | 508 | 720 | 179 | 237 | 1 | 36 |
| Gson.java | | 38% | | 15% | 87 | 103 | 213 | 339 | 47 | 63 | 1 | 7 |
| JsonPrimitive.java | | 5% | | 0% | 60 | 63 | 67 | 76 | 20 | 23 | 0 | 1 |
| JsonArray.java | | 6% | | 4% | 43 | 45 | 48 | 54 | 31 | 33 | 0 | 1 |
| JsonElement.java | | 3% | | 0% | 24 | 26 | 34 | 37 | 20 | 22 | 0 | 1 |
| JsonObject.java | | 10% | | 5% | 28 | 30 | 27 | 32 | 18 | 20 | 0 | 1 |
| FieldNamingPolicy.java | | 39% | | 0% | 16 | 24 | 25 | 33 | 9 | 17 | 0 | 8 |
| TypeAdapter.java | | 12% | | 0% | 10 | 13 | 29 | 32 | 8 | 11 | 0 | 2 |
| ToNumberPolicy.java | | 34% | | 0% | 7 | 12 | 15 | 20 | 4 | 9 | 0 | 5 |
| JsonParser.java | | 35% | | 75% | 5 | 9 | 15 | 24 | 4 | 7 | 0 | 1 |
| FormattingStyle.java | | 48% | | 50% | 8 | 10 | 8 | 19 | 6 | 8 | 0 | 1 |
| JsonStreamParser.java | | 73% | | 75% | 2 | 7 | 6 | 21 | 1 | 5 | 0 | 1 |
| LongSerializationPolicy.java | | 58% | | 0% | 4 | 7 | 6 | 9 | 2 | 5 | 0 | 3 |
| JsonIOException.java | 30% | n/a | 2 | 3 | 4 | 6 | 2 | 3 | 0 | 1 | ||
| JsonSyntaxException.java | 30% | n/a | 2 | 3 | 4 | 6 | 2 | 3 | 0 | 1 | ||
| JsonParseException.java | 30% | n/a | 2 | 3 | 4 | 6 | 2 | 3 | 0 | 1 | ||
| JsonNull.java | 50% | n/a | 3 | 5 | 3 | 6 | 3 | 5 | 0 | 1 |