WPT
wpt / device-posture / idlharness.https.window.html
Spec: Device Posture API ↗
Runs: Chrome 155.0.8039.0 (wpt@508cc6a62, 2026-09-03) | Firefox 157.0a1 (wpt@508cc6a62, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-56c61 (wpt@8fdda8ce4, 2026-09-03) | Servo Servo 0.6 (wpt@09159dcb3, 2026-09-02) | Blitz 188486089 (wpt@a95401e4e, 2026-09-02)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 27/27 | 14/27 | 14/27 | 14/27 | 14/27 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| idl_test setup | PASS | PASS | PASS | PASS | PASS | — |
| idl_test validation | PASS | PASS | PASS | PASS | PASS | — |
| Partial interface Navigator: original interface defined | PASS | PASS | PASS | PASS | PASS | — |
| Partial interface Navigator: valid exposure set | PASS | PASS | PASS | PASS | PASS | — |
| Partial interface Navigator: member names are unique | PASS | PASS | PASS | PASS | PASS | — |
| Partial interface Navigator[2]: member names are unique | PASS | PASS | PASS | PASS | PASS | — |
| Partial interface mixin NavigatorID: member names are unique | PASS | PASS | PASS | PASS | PASS | — |
| Navigator includes NavigatorID: member names are unique | PASS | PASS | PASS | PASS | PASS | — |
| Navigator includes NavigatorLanguage: member names are unique | PASS | PASS | PASS | PASS | PASS | — |
| Navigator includes NavigatorOnLine: member names are unique | PASS | PASS | PASS | PASS | PASS | — |
| Navigator includes NavigatorContentUtils: member names are unique | PASS | PASS | PASS | PASS | PASS | — |
| Navigator includes NavigatorCookies: member names are unique | PASS | PASS | PASS | PASS | PASS | — |
| Navigator includes NavigatorPlugins: member names are unique | PASS | PASS | PASS | PASS | PASS | — |
| Navigator includes NavigatorConcurrentHardware: member names are unique | PASS | PASS | PASS | PASS | PASS | — |
| DevicePosture interface: existence and properties of interface object | PASS | FAIL | FAIL | FAIL | FAIL | — |
| DevicePosture interface object length | PASS | FAIL | FAIL | FAIL | FAIL | — |
| DevicePosture interface object name | PASS | FAIL | FAIL | FAIL | FAIL | — |
| DevicePosture interface: existence and properties of interface prototype object | PASS | FAIL | FAIL | FAIL | FAIL | — |
| DevicePosture interface: existence and properties of interface prototype object's "constructor" property | PASS | FAIL | FAIL | FAIL | FAIL | — |
| DevicePosture interface: existence and properties of interface prototype object's @@unscopables property | PASS | FAIL | FAIL | FAIL | FAIL | — |
| DevicePosture interface: attribute type | PASS | FAIL | FAIL | FAIL | FAIL | — |
| DevicePosture interface: attribute onchange | PASS | FAIL | FAIL | FAIL | FAIL | — |
| DevicePosture must be primary interface of navigator.devicePosture | PASS | FAIL | FAIL | FAIL | FAIL | — |
| Stringification of navigator.devicePosture | PASS | FAIL | FAIL | FAIL | FAIL | — |
| DevicePosture interface: navigator.devicePosture must inherit property "type" with the proper type | PASS | FAIL | FAIL | FAIL | FAIL | — |
| DevicePosture interface: navigator.devicePosture must inherit property "onchange" with the proper type | PASS | FAIL | FAIL | FAIL | FAIL | — |
| Navigator interface: attribute devicePosture | PASS | FAIL | FAIL | FAIL | FAIL | — |