| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 27 of 171 | 84% | 11 of 34 | 67% | 10 | 20 | 3 | 28 | 0 | 3 |
| switchActiveStateIfNeeded(MiddlewareContext) | | 75% | | 60% | 7 | 11 | 3 | 15 | 0 | 1 |
| invoke(MiddlewareContext, Function1, BrowserAction) | | 98% | | 78% | 3 | 8 | 0 | 11 | 0 | 1 |
| WebExtensionMiddleware() | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |