| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 238 of 238 | 0% | 6 of 6 | 0% | 8 | 8 | 60 | 60 | 5 | 5 |
| testLongTextMessage() | | 0% | | 0% | 3 | 3 | 20 | 20 | 1 | 1 |
| testExtensionsHeaders() | | 0% | n/a | 1 | 1 | 18 | 18 | 1 | 1 | |
| setup() | | 0% | n/a | 1 | 1 | 17 | 17 | 1 | 1 | |
| cleanup() | | 0% | | 0% | 2 | 2 | 4 | 4 | 1 | 1 |
| JsrWebsocketExtensionTestCase() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |