| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 925 of 2,614 | 64% | 28 of 128 | 78% | 50 | 138 | 171 | 523 | 30 | 72 | 3 | 11 |
| PngChunkTypeTest | | 0% | | 0% | 13 | 13 | 47 | 47 | 11 | 11 | 1 | 1 |
| PngMetadataReaderTest | | 0% | | 0% | 4 | 4 | 46 | 46 | 3 | 3 | 1 | 1 |
| PngChunkReaderTest | | 0% | | 0% | 5 | 5 | 34 | 34 | 4 | 4 | 1 | 1 |
| PngChunkType | | 77% | | 56% | 15 | 32 | 16 | 68 | 6 | 17 | 0 | 1 |
| PngMetadataReader | | 93% | | 94% | 5 | 32 | 15 | 216 | 2 | 5 | 0 | 1 |
| PngChunkReader | | 88% | | 88% | 3 | 16 | 2 | 33 | 0 | 3 | 0 | 1 |
| PngHeader | | 85% | | 50% | 1 | 9 | 3 | 23 | 0 | 8 | 0 | 1 |
| PngProcessingException | | 30% | n/a | 2 | 3 | 4 | 6 | 2 | 3 | 0 | 1 | |
| PngColorType | | 96% | | 100% | 2 | 11 | 2 | 20 | 2 | 6 | 0 | 1 |
| PngChromaticities | | 92% | | 100% | 0 | 10 | 2 | 24 | 0 | 9 | 0 | 1 |
| PngChunk | | 100% | n/a | 0 | 3 | 0 | 6 | 0 | 3 | 0 | 1 |