| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 761 of 761 | 0% | 106 of 106 | 0% | 68 | 68 | 183 | 183 | 15 | 15 |
| write(byte[], int, int) | | 0% | | 0% | 17 | 17 | 70 | 70 | 1 | 1 |
| write(ByteBuffer[]) | | 0% | | 0% | 10 | 10 | 28 | 28 | 1 | 1 |
| close() | | 0% | | 0% | 10 | 10 | 21 | 21 | 1 | 1 |
| writeBufferBlocking(boolean) | | 0% | | 0% | 5 | 5 | 11 | 11 | 1 | 1 |
| transferFrom(FileChannel) | | 0% | | 0% | 5 | 5 | 11 | 11 | 1 | 1 |
| flush() | | 0% | | 0% | 6 | 6 | 11 | 11 | 1 | 1 |
| updateWritten(long) | | 0% | | 0% | 3 | 3 | 5 | 5 | 1 | 1 |
| buffer() | | 0% | | 0% | 2 | 2 | 6 | 6 | 1 | 1 |
| resetBuffer() | | 0% | | 0% | 2 | 2 | 7 | 7 | 1 | 1 |
| isHeadRequestWithContentLength(HttpServerExchange) | | 0% | | 0% | 3 | 3 | 2 | 2 | 1 | 1 |
| write(int) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| UndertowOutputStream(HttpServerExchange) | | 0% | n/a | 1 | 1 | 4 | 4 | 1 | 1 | |
| write(ByteBuffer) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| write(byte[]) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| getBytesWritten() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |