WPT
wpt / fetch / api / request / request-init-stream.any.serviceworker.html
Spec: Fetch ↗
Runs: Chrome 155.0.8041.0 (wpt@4a01b83e3, 2026-09-04) | Firefox 157.0a1 (wpt@e7122b73f, 2026-09-04) | Safari 251 preview (wpt@2c385f65e, 2026-09-04) | Ladybird 1.0-70fb3 (wpt@4a01b83e3, 2026-09-04) | Servo Servo 0.6 (wpt@2c385f65e, 2026-09-04) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 23/23 | 10/23 | 17/23 | 0/23 | 0/23 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Constructing a Request with a stream holds the original object. | PASS | FAIL | PASS | — | — | — |
| Constructing a Request with a stream on which getReader() is called | PASS | FAIL | PASS | — | — | — |
| Constructing a Request with a stream on which read() is called | PASS | FAIL | PASS | — | — | — |
| Constructing a Request with a stream on which read() and releaseLock() are called | PASS | FAIL | PASS | — | — | — |
| Constructing a Request with a Request on which body.getReader() is called | PASS | FAIL | PASS | — | — | — |
| Constructing a Request with a Request on which body.getReader().read() is called | PASS | FAIL | PASS | — | — | — |
| Constructing a Request with a Request on which read() and releaseLock() are called | PASS | FAIL | PASS | — | — | — |
| It is OK to omit .duplex when the body is null. | PASS | PASS | PASS | — | — | — |
| It is OK to omit .duplex when the body is a string. | PASS | PASS | PASS | — | — | — |
| It is OK to omit .duplex when the body is a Uint8Array. | PASS | PASS | PASS | — | — | — |
| It is OK to omit .duplex when the body is a Blob. | PASS | PASS | PASS | — | — | — |
| It is error to omit .duplex when the body is a ReadableStream. | PASS | FAIL | FAIL | — | — | — |
| It is OK to set .duplex = 'half' when the body is null. | PASS | PASS | PASS | — | — | — |
| It is OK to set .duplex = 'half' when the body is a string. | PASS | PASS | PASS | — | — | — |
| It is OK to set .duplex = 'half' when the body is a Uint8Array. | PASS | PASS | PASS | — | — | — |
| It is OK to set .duplex = 'half' when the body is a Blob. | PASS | PASS | PASS | — | — | — |
| It is OK to set .duplex = 'half' when the body is a ReadableStream. | PASS | PASS | PASS | — | — | — |
| It is error to set .duplex = 'full' when the body is null. | PASS | FAIL | FAIL | — | — | — |
| It is error to set .duplex = 'full' when the body is a string. | PASS | FAIL | FAIL | — | — | — |
| It is error to set .duplex = 'full' when the body is a Uint8Array. | PASS | FAIL | FAIL | — | — | — |
| It is error to set .duplex = 'full' when the body is a Blob. | PASS | FAIL | FAIL | — | — | — |
| It is error to set .duplex = 'full' when the body is a ReadableStream. | PASS | FAIL | FAIL | — | — | — |
| It is OK to omit duplex when init.body is not given and input.body is given. | PASS | PASS | PASS | — | — | — |