WPT
wpt / fs / idlharness.https.any.worker.html
Spec: File System ↗
Runs: Chrome 155.0.8041.0 (wpt@4a01b83e3, 2026-09-04) | Firefox 157.0a1 (wpt@4a01b83e3, 2026-09-04) | Safari 251 preview (wpt@a1e944e7a, 2026-09-04) | Ladybird 1.0-a7825 (wpt@4a01b83e3, 2026-09-04) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | 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 | 54/54 | 54/54 | 54/54 | 4/54 | 4/54 | 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 StorageManager: original interface defined | PASS | PASS | PASS | PASS | PASS | — |
| Partial interface StorageManager: member names are unique | PASS | PASS | PASS | PASS | PASS | — |
| FileSystemHandle interface: existence and properties of interface object | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemHandle interface object length | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemHandle interface object name | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemHandle interface: existence and properties of interface prototype object | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemHandle interface: existence and properties of interface prototype object's "constructor" property | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemHandle interface: existence and properties of interface prototype object's @@unscopables property | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemHandle interface: attribute kind | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemHandle interface: attribute name | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemHandle interface: operation isSameEntry(FileSystemHandle) | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemFileHandle interface: existence and properties of interface object | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemFileHandle interface object length | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemFileHandle interface object name | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemFileHandle interface: existence and properties of interface prototype object | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemFileHandle interface: existence and properties of interface prototype object's "constructor" property | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemFileHandle interface: existence and properties of interface prototype object's @@unscopables property | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemFileHandle interface: operation getFile() | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemFileHandle interface: operation createWritable(optional FileSystemCreateWritableOptions) | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemFileHandle interface: operation createSyncAccessHandle() | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemDirectoryHandle interface: existence and properties of interface object | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemDirectoryHandle interface object length | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemDirectoryHandle interface object name | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemDirectoryHandle interface: existence and properties of interface prototype object | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemDirectoryHandle interface: existence and properties of interface prototype object's "constructor" property | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemDirectoryHandle interface: existence and properties of interface prototype object's @@unscopables property | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemDirectoryHandle interface: operation getFileHandle(USVString, optional FileSystemGetFileOptions) | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemDirectoryHandle interface: operation getDirectoryHandle(USVString, optional FileSystemGetDirectoryOptions) | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemDirectoryHandle interface: operation removeEntry(USVString, optional FileSystemRemoveOptions) | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemDirectoryHandle interface: operation resolve(FileSystemHandle) | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemWritableFileStream interface: existence and properties of interface object | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemWritableFileStream interface object length | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemWritableFileStream interface object name | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemWritableFileStream interface: existence and properties of interface prototype object | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemWritableFileStream interface: existence and properties of interface prototype object's "constructor" property | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemWritableFileStream interface: existence and properties of interface prototype object's @@unscopables property | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemWritableFileStream interface: operation write(FileSystemWriteChunkType) | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemWritableFileStream interface: operation seek(unsigned long long) | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemWritableFileStream interface: operation truncate(unsigned long long) | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemSyncAccessHandle interface: existence and properties of interface object | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemSyncAccessHandle interface object length | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemSyncAccessHandle interface object name | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemSyncAccessHandle interface: existence and properties of interface prototype object | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemSyncAccessHandle interface: existence and properties of interface prototype object's "constructor" property | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemSyncAccessHandle interface: existence and properties of interface prototype object's @@unscopables property | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemSyncAccessHandle interface: operation read(AllowSharedBufferSource, optional FileSystemReadWriteOptions) | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemSyncAccessHandle interface: operation write(AllowSharedBufferSource, optional FileSystemReadWriteOptions) | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemSyncAccessHandle interface: operation truncate(unsigned long long) | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemSyncAccessHandle interface: operation getSize() | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemSyncAccessHandle interface: operation flush() | PASS | PASS | PASS | FAIL | FAIL | — |
| FileSystemSyncAccessHandle interface: operation close() | PASS | PASS | PASS | FAIL | FAIL | — |
| StorageManager interface: operation getDirectory() | PASS | PASS | PASS | FAIL | FAIL | — |