| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 461 of 1,040 | 55% | 94 of 168 | 44% | 66 | 96 | 91 | 228 | 0 | 12 |
| negotiate(List, boolean) | | 16% | | 7% | 20 | 21 | 39 | 48 | 0 | 1 |
| sendMessagePart(List) | | 54% | | 38% | 21 | 27 | 26 | 74 | 0 | 1 |
| getMoreData(byte, boolean, int, ByteBuffer) | | 79% | | 71% | 12 | 22 | 12 | 40 | 0 | 1 |
| getExtensionResponse() | | 40% | | 50% | 4 | 5 | 4 | 11 | 0 | 1 |
| startNewMessage() | | 59% | | 75% | 2 | 5 | 4 | 8 | 0 | 1 |
| validateRsvBits(int) | | 50% | | 50% | 2 | 3 | 2 | 5 | 0 | 1 |
| validateRsv(int, byte) | | 85% | | 70% | 3 | 6 | 3 | 12 | 0 | 1 |
| setNext(Transformation) | | 66% | | 50% | 1 | 2 | 1 | 4 | 0 | 1 |
| PerMessageDeflate(boolean, int, boolean, int, boolean) | | 100% | n/a | 0 | 1 | 0 | 15 | 0 | 1 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| getRsv(MessagePart) | | 100% | | 50% | 1 | 2 | 0 | 5 | 0 | 1 |
| close() | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 |