| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 2,909 of 4,023 | 27% | 272 of 302 | 9% | 371 | 430 | 644 | 879 | 228 | 279 | 15 | 43 |
| Gson.java | | 45% | | 29% | 77 | 104 | 184 | 339 | 43 | 63 | 1 | 7 |
| GsonBuilder.java | | 27% | | 4% | 49 | 55 | 109 | 151 | 25 | 31 | 0 | 1 |
| JsonPrimitive.java | | 0% | | 0% | 60 | 60 | 71 | 71 | 23 | 23 | 1 | 1 |
| JsonArray.java | | 0% | | 0% | 45 | 45 | 54 | 54 | 33 | 33 | 1 | 1 |
| JsonElement.java | | 0% | | 0% | 26 | 26 | 37 | 37 | 22 | 22 | 1 | 1 |
| JsonObject.java | | 0% | | 0% | 30 | 30 | 32 | 32 | 20 | 20 | 1 | 1 |
| FieldNamingPolicy.java | | 46% | | 0% | 16 | 24 | 25 | 33 | 9 | 17 | 0 | 8 |
| JsonParser.java | | 0% | | 0% | 9 | 9 | 24 | 24 | 7 | 7 | 1 | 1 |
| TypeAdapter.java | | 12% | | 0% | 10 | 13 | 29 | 32 | 8 | 11 | 0 | 2 |
| JsonStreamParser.java | | 0% | | 0% | 7 | 7 | 21 | 21 | 5 | 5 | 1 | 1 |
| ToNumberPolicy.java | | 55% | | 66% | 5 | 12 | 9 | 20 | 3 | 9 | 0 | 5 |
| ReflectionAccessFilter.java | | 43% | | 0% | 13 | 14 | 16 | 21 | 9 | 10 | 5 | 6 |
| FieldAttributes.java | | 0% | | 0% | 10 | 10 | 11 | 11 | 9 | 9 | 1 | 1 |
| LongSerializationPolicy.java | | 65% | | 0% | 4 | 7 | 6 | 9 | 2 | 5 | 0 | 3 |
| JsonNull.java | | 0% | n/a | 5 | 5 | 6 | 6 | 5 | 5 | 1 | 1 | |
| JsonIOException.java | | 0% | n/a | 3 | 3 | 6 | 6 | 3 | 3 | 1 | 1 | |
| JsonSyntaxException.java | 61% | n/a | 1 | 3 | 2 | 6 | 1 | 3 | 0 | 1 | ||
| JsonParseException.java | 61% | n/a | 1 | 3 | 2 | 6 | 1 | 3 | 0 | 1 |