Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

33 files changed, 1491 insertions, 0 deletions

diff --git a/testing/web-platform/meta/fs/FileSystemBaseHandle-IndexedDB.https.any.js.ini b/testing/web-platform/meta/fs/FileSystemBaseHandle-IndexedDB.https.any.js.ini
new file mode 100644
index 0000000000..d0a681608a
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemBaseHandle-IndexedDB.https.any.js.ini
@@ -0,0 +1,66 @@
+[FileSystemBaseHandle-IndexedDB.https.any.html]
+  expected:
+    if (os == "win") and not debug and (processor == "x86"): [OK, TIMEOUT, ERROR]
+    if (os == "win") and not debug and (processor == "x86_64"): [OK, ERROR, TIMEOUT]
+    if (os == "win") and debug and swgl: [OK, TIMEOUT]
+  [Store handle in IndexedDB and read from new transaction.]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, TIMEOUT]
+
+  [Store handles and blobs in IndexedDB.]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+
+  [Store handle in IndexedDB and read using a cursor.]
+    expected:
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, NOTRUN, TIMEOUT]
+
+  [Store handle in IndexedDB using inline keys.]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+
+  [Store handle in IndexedDB and read from pending transaction.]
+    expected:
+      if (processor == "x86") and not debug: [PASS, TIMEOUT]
+
+
+[FileSystemBaseHandle-IndexedDB.https.any.worker.html]
+  expected:
+    if (os == "win") and (processor == "x86") and not debug: [OK, TIMEOUT]
+    if (os == "win") and (processor == "x86_64"): [OK, TIMEOUT]
+  [Store handles and blobs in IndexedDB.]
+    expected:
+      if (os == "win") and not debug and (processor == "x86"): [PASS, NOTRUN, TIMEOUT]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and debug and swgl: [PASS, TIMEOUT, NOTRUN]
+
+  [Store handle in IndexedDB and read using a cursor.]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, NOTRUN, TIMEOUT]
+      if (os == "win") and debug and swgl: [PASS, TIMEOUT, NOTRUN]
+
+  [Store handle in IndexedDB using inline keys.]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [PASS, NOTRUN]
+      if (os == "win") and debug and (processor == "x86_64") and not swgl: [PASS, TIMEOUT]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT, NOTRUN]
+
+  [Store handle in IndexedDB and read from new transaction.]
+    expected:
+      if (os == "win") and not debug and (processor == "x86"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+
+  [Store handle in IndexedDB and read from pending transaction.]
+    expected:
+      if (os == "win") and debug and swgl: [PASS, TIMEOUT]
+      if (os == "win") and not debug: [PASS, TIMEOUT]
diff --git a/testing/web-platform/meta/fs/FileSystemBaseHandle-buckets.https.any.js.ini b/testing/web-platform/meta/fs/FileSystemBaseHandle-buckets.https.any.js.ini
new file mode 100644
index 0000000000..7a97bc8bb3
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemBaseHandle-buckets.https.any.js.ini
@@ -0,0 +1,18 @@
+[FileSystemBaseHandle-buckets.https.any.worker.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [isSameEntry works as expected with buckets]
+    expected: FAIL
+
+  [getDirectory promise rejects if bucket has been deleted]
+    expected: FAIL
+
+
+[FileSystemBaseHandle-buckets.https.any.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [isSameEntry works as expected with buckets]
+    expected: FAIL
+
+  [getDirectory promise rejects if bucket has been deleted]
+    expected: FAIL
diff --git a/testing/web-platform/meta/fs/FileSystemBaseHandle-getUniqueId.https.any.js.ini b/testing/web-platform/meta/fs/FileSystemBaseHandle-getUniqueId.https.any.js.ini
new file mode 100644
index 0000000000..6aaf4e2b73
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemBaseHandle-getUniqueId.https.any.js.ini
@@ -0,0 +1,124 @@
+[FileSystemBaseHandle-getUniqueId.https.any.html]
+  expected:
+    if (os == "win") and debug and swgl: [OK, TIMEOUT]
+    if (os == "android") and fission: [OK, TIMEOUT]
+    if (os == "win") and not debug: [OK, TIMEOUT]
+  [identical directory handles return the same ID]
+    expected: FAIL
+
+  [different directories return different IDs]
+    expected: FAIL
+
+  [different handles for the same directory return the same ID]
+    expected: FAIL
+
+  [identical file handles return the same unique ID]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, TIMEOUT]
+      FAIL
+
+  [different files return different IDs]
+    expected:
+      if (os == "win") and not debug and (processor == "x86"): [FAIL, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [FAIL, TIMEOUT]
+      if (os == "win") and debug and swgl: [FAIL, TIMEOUT]
+      FAIL
+
+  [different handles for the same file return the same ID]
+    expected:
+      if (os == "win") and debug and swgl: [FAIL, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [two files of the same name in different directories return different IDs]
+    expected:
+      if (os == "win") and debug and swgl: [FAIL, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [a file and a directory return different IDs]
+    expected:
+      if (os == "win") and debug and swgl: [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [a file and a directory of the same path return different IDs]
+    expected:
+      if (os == "win") and debug and swgl: [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [unique ID of a file handle does not change after writes]
+    expected:
+      if (os == "win") and debug and swgl: [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [unique ID is in GUID version 4 format]
+    expected:
+      if (os == "win") and debug and swgl: [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+
+[FileSystemBaseHandle-getUniqueId.https.any.worker.html]
+  expected:
+    if (os == "win") and debug and swgl: [OK, TIMEOUT]
+    if (os == "android") and fission: [OK, TIMEOUT]
+    if (os == "win") and not debug: [OK, TIMEOUT]
+  [identical directory handles return the same ID]
+    expected: FAIL
+
+  [different directories return different IDs]
+    expected: FAIL
+
+  [different handles for the same directory return the same ID]
+    expected: FAIL
+
+  [identical file handles return the same unique ID]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, TIMEOUT]
+      FAIL
+
+  [different files return different IDs]
+    expected:
+      if (os == "win") and not debug and (processor == "x86"): [FAIL, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [FAIL, TIMEOUT]
+      if (os == "win") and debug and swgl: [FAIL, TIMEOUT]
+      FAIL
+
+  [different handles for the same file return the same ID]
+    expected:
+      if (os == "win") and debug and swgl: [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [two files of the same name in different directories return different IDs]
+    expected:
+      if (os == "win") and debug and swgl: [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [a file and a directory return different IDs]
+    expected:
+      if (os == "win") and debug and swgl: [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [a file and a directory of the same path return different IDs]
+    expected:
+      if (os == "win") and debug and swgl: [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [unique ID of a file handle does not change after writes]
+    expected:
+      if (os == "win") and debug and swgl: [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [unique ID is in GUID version 4 format]
+    expected:
+      if (os == "win") and debug and swgl: [FAIL, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
diff --git a/testing/web-platform/meta/fs/FileSystemBaseHandle-isSameEntry.https.any.js.ini b/testing/web-platform/meta/fs/FileSystemBaseHandle-isSameEntry.https.any.js.ini
new file mode 100644
index 0000000000..449afcbff2
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemBaseHandle-isSameEntry.https.any.js.ini
@@ -0,0 +1,104 @@
+[FileSystemBaseHandle-isSameEntry.https.any.worker.html]
+  expected:
+    if (os == "win") and debug and swgl: [OK, TIMEOUT]
+    if (os == "android") and fission: [OK, TIMEOUT]
+    if (os == "win") and not debug: [OK, TIMEOUT]
+  [isSameEntry comparing two files pointing to the same path returns true]
+    expected:
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT]
+
+  [isSameEntry comparing two directories pointing to the same path returns true]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+
+  [isSameEntry comparing a file to a directory of the same path returns false]
+    expected:
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [isSameEntry comparing a file to a file in a different directory returns false]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, TIMEOUT, NOTRUN]
+
+  [isSameEntry for different files returns false]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, TIMEOUT, NOTRUN]
+
+  [isSameEntry comparing a file to a directory returns false]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, NOTRUN]
+
+  [isSameEntry for identical file handles returns true]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, NOTRUN]
+
+  [isSameEntry for different handles for the same directory]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, TIMEOUT]
+      if (os == "win") and swgl: [PASS, TIMEOUT]
+
+  [isSameEntry for different handles for the same file]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, NOTRUN]
+
+
+[FileSystemBaseHandle-isSameEntry.https.any.html]
+  expected:
+    if (os == "win") and debug and swgl: [OK, TIMEOUT]
+    if (os == "win") and not debug and (processor == "x86"): [OK, ERROR, TIMEOUT]
+    if (os == "win") and not debug and (processor == "x86_64"): [OK, TIMEOUT]
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [isSameEntry comparing two directories pointing to the same path returns true]
+    expected:
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, NOTRUN]
+
+  [isSameEntry comparing a file to a directory of the same path returns false]
+    expected:
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [isSameEntry for different handles for the same directory]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, TIMEOUT]
+      if (os == "win") and swgl: [PASS, TIMEOUT]
+
+  [isSameEntry for identical file handles returns true]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, NOTRUN]
+
+  [isSameEntry for different files returns false]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, TIMEOUT, NOTRUN]
+
+  [isSameEntry for different handles for the same file]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, NOTRUN]
+
+  [isSameEntry comparing a file to a file in a different directory returns false]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, TIMEOUT, NOTRUN]
+
+  [isSameEntry comparing a file to a directory returns false]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, NOTRUN]
+
+  [isSameEntry comparing two files pointing to the same path returns true]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, NOTRUN]
diff --git a/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-BroadcastChannel.https.window.js.ini b/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-BroadcastChannel.https.window.js.ini
new file mode 100644
index 0000000000..9e28c1fbe8
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-BroadcastChannel.https.window.js.ini
@@ -0,0 +1,3 @@
+[FileSystemBaseHandle-postMessage-BroadcastChannel.https.window.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
diff --git a/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-Error.https.window.js.ini b/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-Error.https.window.js.ini
new file mode 100644
index 0000000000..f6ff92e032
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-Error.https.window.js.ini
@@ -0,0 +1,32 @@
+[FileSystemBaseHandle-postMessage-Error.https.window.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [Fail to send and receive messages using a cross origin iframe.]
+    expected: PASS
+
+  [Fail to send and receive messages using a cross origin message port in an iframe.]
+    expected: PASS
+
+  [Fail to send to a sandboxed iframe.]
+    expected: PASS
+
+  [Fail to send messages using a message port to a sandboxed iframe.]
+    expected: PASS
+
+  [Fail to send messages to a data URI iframe.]
+    expected: PASS
+
+  [Fail to send messages using a message port in a data URI iframe.]
+    expected: PASS
+
+  [Fail to send and receive messages using a cross origin window.]
+    expected: PASS
+
+  [Fail to send and receive messages using a cross origin message port in a window.]
+    expected: PASS
+
+  [Fail to send messages to  a sandboxed window.]
+    expected: PASS
+
+  [Fail to send messages using a message port to a sandboxed window.]
+    expected: PASS
diff --git a/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-MessagePort-frames.https.window.js.ini b/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-MessagePort-frames.https.window.js.ini
new file mode 100644
index 0000000000..39b29f619d
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-MessagePort-frames.https.window.js.ini
@@ -0,0 +1,3 @@
+[FileSystemBaseHandle-postMessage-MessagePort-frames.https.window.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
diff --git a/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-MessagePort-windows.https.window.js.ini b/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-MessagePort-windows.https.window.js.ini
new file mode 100644
index 0000000000..b1d7c8aab9
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-MessagePort-windows.https.window.js.ini
@@ -0,0 +1,3 @@
+[FileSystemBaseHandle-postMessage-MessagePort-windows.https.window.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
diff --git a/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-MessagePort-workers.https.window.js.ini b/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-MessagePort-workers.https.window.js.ini
new file mode 100644
index 0000000000..1d707e60b0
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-MessagePort-workers.https.window.js.ini
@@ -0,0 +1,3 @@
+[FileSystemBaseHandle-postMessage-MessagePort-workers.https.window.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
diff --git a/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-frames.https.window.js.ini b/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-frames.https.window.js.ini
new file mode 100644
index 0000000000..ec14dafb69
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-frames.https.window.js.ini
@@ -0,0 +1,3 @@
+[FileSystemBaseHandle-postMessage-frames.https.window.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
diff --git a/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-windows.https.window.js.ini b/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-windows.https.window.js.ini
new file mode 100644
index 0000000000..3f60d62641
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-windows.https.window.js.ini
@@ -0,0 +1,3 @@
+[FileSystemBaseHandle-postMessage-windows.https.window.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
diff --git a/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-workers.https.window.js.ini b/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-workers.https.window.js.ini
new file mode 100644
index 0000000000..5600af1779
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemBaseHandle-postMessage-workers.https.window.js.ini
@@ -0,0 +1,4 @@
+[FileSystemBaseHandle-postMessage-workers.https.window.html]
+  expected:
+    if (os == "linux") and not fission and not debug: [OK, CRASH]
+    if (os == "android") and fission: [OK, TIMEOUT]
diff --git a/testing/web-platform/meta/fs/FileSystemBaseHandle-remove.https.any.js.ini b/testing/web-platform/meta/fs/FileSystemBaseHandle-remove.https.any.js.ini
new file mode 100644
index 0000000000..a0a76dfedb
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemBaseHandle-remove.https.any.js.ini
@@ -0,0 +1,94 @@
+[FileSystemBaseHandle-remove.https.any.worker.html]
+  expected:
+    if (processor == "x86_64") and (os == "android") and fission: [OK, TIMEOUT]
+    if (processor == "x86") and not debug: [OK, TIMEOUT]
+  [remove() to remove a file]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, TIMEOUT]
+      FAIL
+
+  [remove() on an already removed file should fail]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [remove() to remove an empty directory]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [remove() on an already removed directory should fail]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [remove() on a non-empty directory should fail]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [remove() on a directory recursively should delete all sub-items]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [remove() on a file should ignore the recursive option]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [remove() while the file has an open writable fails]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [can remove the root of a sandbox file system]
+    expected: FAIL
+
+
+[FileSystemBaseHandle-remove.https.any.html]
+  expected:
+    if (processor == "x86_64") and (os == "android") and fission: [OK, TIMEOUT]
+    if (processor == "x86") and not debug: [OK, TIMEOUT]
+  [remove() to remove a file]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, TIMEOUT]
+      FAIL
+
+  [remove() on an already removed file should fail]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [remove() to remove an empty directory]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [remove() on an already removed directory should fail]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [remove() on a non-empty directory should fail]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [remove() on a directory recursively should delete all sub-items]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [remove() on a file should ignore the recursive option]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [remove() while the file has an open writable fails]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [can remove the root of a sandbox file system]
+    expected: FAIL
diff --git a/testing/web-platform/meta/fs/FileSystemDirectoryHandle-getDirectoryHandle.https.any.js.ini b/testing/web-platform/meta/fs/FileSystemDirectoryHandle-getDirectoryHandle.https.any.js.ini
new file mode 100644
index 0000000000..cbab5d123f
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemDirectoryHandle-getDirectoryHandle.https.any.js.ini
@@ -0,0 +1,14 @@
+[FileSystemDirectoryHandle-getDirectoryHandle.https.any.worker.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [getDirectoryHandle() when a file already exists with the same name]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
+
+
+[FileSystemDirectoryHandle-getDirectoryHandle.https.any.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [getDirectoryHandle() when a file already exists with the same name]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
diff --git a/testing/web-platform/meta/fs/FileSystemDirectoryHandle-getFileHandle.https.any.js.ini b/testing/web-platform/meta/fs/FileSystemDirectoryHandle-getFileHandle.https.any.js.ini
new file mode 100644
index 0000000000..bb0cd658c1
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemDirectoryHandle-getFileHandle.https.any.js.ini
@@ -0,0 +1,22 @@
+[FileSystemDirectoryHandle-getFileHandle.https.any.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [getFileHandle(create=false) when a directory already exists with the same name]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [getFileHandle(create=true) when a directory already exists with the same name]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
+
+
+[FileSystemDirectoryHandle-getFileHandle.https.any.worker.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [getFileHandle(create=false) when a directory already exists with the same name]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [getFileHandle(create=true) when a directory already exists with the same name]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
diff --git a/testing/web-platform/meta/fs/FileSystemDirectoryHandle-iteration.https.any.js.ini b/testing/web-platform/meta/fs/FileSystemDirectoryHandle-iteration.https.any.js.ini
new file mode 100644
index 0000000000..49cf9445a3
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemDirectoryHandle-iteration.https.any.js.ini
@@ -0,0 +1,7 @@
+[FileSystemDirectoryHandle-iteration.https.any.worker.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+
+[FileSystemDirectoryHandle-iteration.https.any.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
diff --git a/testing/web-platform/meta/fs/FileSystemDirectoryHandle-removeEntry.https.any.js.ini b/testing/web-platform/meta/fs/FileSystemDirectoryHandle-removeEntry.https.any.js.ini
new file mode 100644
index 0000000000..9dc1708f42
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemDirectoryHandle-removeEntry.https.any.js.ini
@@ -0,0 +1,136 @@
+[FileSystemDirectoryHandle-removeEntry.https.any.html]
+  expected:
+    if (os == "android") and fission: [ERROR, TIMEOUT]
+    if (os == "win") and not debug: [ERROR, TIMEOUT]
+    ERROR
+  [removeEntry() to remove a file]
+    expected:
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [removeEntry() on an already removed file should fail]
+    expected:
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [removeEntry() to remove an empty directory]
+    expected:
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [removeEntry() on a directory recursively should delete all sub-items]
+    expected:
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [removeEntry() while the file has an open writable fails]
+    expected:
+      if (os == "win") and debug and swgl: [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [createWritable after removeEntry succeeds but doesnt recreate the file]
+    expected:
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+      PASS
+
+  [removeEntry() with a path separator should fail.]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+
+  [removeEntry() with empty name should fail]
+    expected:
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [removeEntry() with "." name should fail]
+    expected:
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [removeEntry() on a non-empty directory should fail]
+    expected:
+      if (os == "win") and debug and swgl: [PASS, FAIL, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, FAIL, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, FAIL, NOTRUN]
+      [PASS, FAIL]
+
+  [removeEntry() of a directory while a containing file has an open writable fails]
+    expected:
+      if (os == "win") and debug and swgl: [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [removeEntry() with ".." name should fail]
+    expected:
+      if (os == "win") and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+
+
+[FileSystemDirectoryHandle-removeEntry.https.any.worker.html]
+  expected:
+    if (os == "win") and not debug and (processor == "x86_64"): [ERROR, OK, TIMEOUT]
+    if (os == "win") and not debug and (processor == "x86"): [ERROR, TIMEOUT]
+    if (os == "win") and debug and swgl: [ERROR, TIMEOUT]
+    if (os == "android") and fission: [ERROR, TIMEOUT]
+    ERROR
+  [removeEntry() with "." name should fail]
+    expected:
+      if (os == "win") and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT, NOTRUN]
+
+  [removeEntry() with ".." name should fail]
+    expected:
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [removeEntry() with a path separator should fail.]
+    expected:
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [removeEntry() while the file has an open writable fails]
+    expected:
+      if (os == "win") and debug and swgl: [FAIL, TIMEOUT]
+      if (os == "win") and not debug and (processor == "x86"): [FAIL, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [FAIL, PASS, NOTRUN]
+      FAIL
+
+  [createWritable after removeEntry succeeds but doesnt recreate the file]
+    expected:
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+      PASS
+
+  [removeEntry() on a directory recursively should delete all sub-items]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, TIMEOUT]
+
+  [removeEntry() on an already removed file should fail]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [removeEntry() to remove an empty directory]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [removeEntry() with empty name should fail]
+    expected:
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [removeEntry() on a non-empty directory should fail]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [removeEntry() to remove a file]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT, NOTRUN]
+
+  [removeEntry() of a directory while a containing file has an open writable fails]
+    expected:
+      if (os == "win") and debug and swgl: [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
diff --git a/testing/web-platform/meta/fs/FileSystemDirectoryHandle-resolve.https.any.js.ini b/testing/web-platform/meta/fs/FileSystemDirectoryHandle-resolve.https.any.js.ini
new file mode 100644
index 0000000000..f7db2a34f0
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemDirectoryHandle-resolve.https.any.js.ini
@@ -0,0 +1,24 @@
+[FileSystemDirectoryHandle-resolve.https.any.html]
+  expected:
+    if (os == "win") and not debug and (processor == "x86_64"): [OK, TIMEOUT]
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [Resolve returns correct path with non-ascii characters]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT]
+
+  [Resolve returns null when entry is not a child]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+
+[FileSystemDirectoryHandle-resolve.https.any.worker.html]
+  expected:
+    if (os == "win") and not debug and (processor == "x86_64"): [OK, TIMEOUT]
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [Resolve returns correct path with non-ascii characters]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT]
+
+  [Resolve returns null when entry is not a child]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
diff --git a/testing/web-platform/meta/fs/FileSystemFileHandle-create-sync-access-handle.https.tentative.window.js.ini b/testing/web-platform/meta/fs/FileSystemFileHandle-create-sync-access-handle.https.tentative.window.js.ini
new file mode 100644
index 0000000000..1e0c593bac
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemFileHandle-create-sync-access-handle.https.tentative.window.js.ini
@@ -0,0 +1,6 @@
+prefs: [dom.fs.enabled:false]
+[FileSystemFileHandle-create-sync-access-handle.https.tentative.window.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [Attempt to create a sync access handle.]
+    expected: FAIL
diff --git a/testing/web-platform/meta/fs/FileSystemFileHandle-getFile.https.any.js.ini b/testing/web-platform/meta/fs/FileSystemFileHandle-getFile.https.any.js.ini
new file mode 100644
index 0000000000..69d5e640b3
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemFileHandle-getFile.https.any.js.ini
@@ -0,0 +1,8 @@
+[FileSystemFileHandle-getFile.https.any.worker.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+
+[FileSystemFileHandle-getFile.https.any.html]
+  expected:
+    if (os == "win") and not debug and (processor == "x86_64"): [OK, ERROR]
+    if (os == "android") and fission: [OK, TIMEOUT]
diff --git a/testing/web-platform/meta/fs/FileSystemFileHandle-move.https.any.js.ini b/testing/web-platform/meta/fs/FileSystemFileHandle-move.https.any.js.ini
new file mode 100644
index 0000000000..b2dc8c3926
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemFileHandle-move.https.any.js.ini
@@ -0,0 +1,287 @@
+[FileSystemFileHandle-move.https.any.worker.html]
+  expected:
+    if (os == "win") and (processor == "x86_64") and debug and swgl: [OK, TIMEOUT]
+    if (os == "win") and (processor == "x86_64") and not debug: [OK, TIMEOUT]
+    if (os == "win") and (processor == "x86"): [OK, TIMEOUT]
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [move(name) with a name with a trailing period should fail]
+    expected:
+      if (os == "win") and not debug and (processor == "x86"): [FAIL, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [FAIL, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [FAIL, NOTRUN]
+      FAIL
+
+  [move(dir) while the destination file has an open writable fails]
+    expected:
+      if (os == "win") and not debug and (processor == "x86"): [PASS, FAIL, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+
+  [move(dir, name) while the destination file has an open writable fails]
+    expected:
+      if (os == "win") and not debug and (processor == "x86"): [PASS, FAIL, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+
+  [move(dir, name) while the file has an open writable fails]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [PASS, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, TIMEOUT, NOTRUN]
+
+  [move(dir, name) to move a file to a new directory]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [PASS, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [move(dir) can be called multiple times]
+    expected:
+      if (os == "win") and not swgl and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not swgl and not debug: [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, TIMEOUT, NOTRUN]
+
+  [move(dir, "") to move a file to a new directory fails]
+    expected:
+      if (os == "win") and (processor == "x86_64") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and (processor == "x86_64") and not debug: [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and (processor == "x86"): [PASS, NOTRUN]
+
+  [move(dir, name) can be called multiple times]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [PASS, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, TIMEOUT, NOTRUN]
+
+  [move(dir) while the file has an open writable fails]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [PASS, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [move(dir, name) with a name with invalid characters should fail]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [PASS, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, TIMEOUT, NOTRUN]
+
+  [move(name) to rename a file]
+    expected:
+      if (processor == "x86") and not debug: [PASS, TIMEOUT]
+
+  [get a handle to a moved file]
+    expected:
+      if (processor == "x86") and not debug: [PASS, NOTRUN]
+
+  [move(name) to rename a file the same name]
+    expected:
+      if (processor == "x86") and not debug: [PASS, NOTRUN]
+      if (processor == "x86") and debug: [PASS, TIMEOUT]
+
+  [move("") to rename a file fails]
+    expected:
+      if processor == "x86": [PASS, NOTRUN]
+
+  [move(name) can be called multiple times]
+    expected:
+      if (processor == "x86_64") and (os == "win") and not debug: [PASS, TIMEOUT]
+      if processor == "x86": [PASS, NOTRUN]
+
+  [move(name) with a name with invalid characters should fail]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [move(name) can overwrite an existing file]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [move(dir, name) to rename a file]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and not swgl and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, TIMEOUT]
+
+  [move(dir) to move a file to a new directory]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+
+  [move(dir) can overwrite an existing file]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [FAIL, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, TIMEOUT, NOTRUN]
+      FAIL
+
+  [move(dir, name) can overwrite an existing file]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [FAIL, TIMEOUT, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, TIMEOUT, NOTRUN]
+      FAIL
+
+  [FileSystemFileHandles are references, not paths]
+    expected:
+      if (os == "win") and not debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+
+
+[FileSystemFileHandle-move.https.any.html]
+  expected:
+    if (os == "win") and (processor == "x86_64") and debug and swgl: [OK, TIMEOUT]
+    if (os == "win") and (processor == "x86_64") and not debug: [OK, ERROR, TIMEOUT]
+    if (os == "win") and (processor == "x86"): [OK, TIMEOUT]
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [move(name) to rename a file]
+    expected:
+      if (processor == "x86") and not debug: [PASS, TIMEOUT]
+
+  [move(name) to rename a file the same name]
+    expected:
+      if (processor == "x86") and debug: [PASS, TIMEOUT]
+      if (processor == "x86") and not debug: [PASS, NOTRUN]
+
+  [move("") to rename a file fails]
+    expected:
+      if processor == "x86": [PASS, NOTRUN]
+
+  [get a handle to a moved file]
+    expected:
+      if (processor == "x86") and not debug: [PASS, NOTRUN]
+
+  [move(name) can be called multiple times]
+    expected:
+      if processor == "x86": [PASS, NOTRUN]
+
+  [move(name) with a name with a trailing period should fail]
+    expected:
+      if processor == "x86": [FAIL, NOTRUN]
+      FAIL
+
+  [move(name) with a name with invalid characters should fail]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [move(name) while the file has an open writable fails]
+    expected:
+      if (os == "win") and not swgl and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not swgl and not debug: [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, TIMEOUT]
+
+  [move(name) while the destination file has an open writable fails]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [PASS, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [move(dir, name) to rename a file]
+    expected:
+      if (os == "win") and (processor == "x86_64") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and (processor == "x86_64") and not debug: [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and (processor == "x86"): [PASS, NOTRUN]
+
+  [move(dir, name) to rename a file the same name]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [PASS, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, TIMEOUT, NOTRUN]
+
+  [move(dir) to move a file to a new directory]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [PASS, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [move(dir, name) to move a file to a new directory]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+
+  [move(dir) can be called multiple times]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [PASS, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [move(dir, name) can be called multiple times]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and not swgl and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, TIMEOUT, NOTRUN]
+
+  [move(dir, name) with a name with invalid characters should fail]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+
+  [move(dir) while the file has an open writable fails]
+    expected:
+      if (os == "win") and not swgl and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not swgl and not debug: [PASS, NOTRUN]
+      if (os == "win") and swgl: [PASS, TIMEOUT, NOTRUN]
+
+  [move(dir, name) while the file has an open writable fails]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [PASS, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, TIMEOUT, NOTRUN]
+
+  [move(dir) while the destination file has an open writable fails]
+    expected:
+      if (os == "win") and (processor == "x86_64") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and (processor == "x86_64") and not debug: [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and (processor == "x86"): [PASS, NOTRUN]
+
+  [move(dir, name) while the destination file has an open writable fails]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+
+  [move(dir, "") to move a file to a new directory fails]
+    expected:
+      if (os == "win") and (processor == "x86_64") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and (processor == "x86_64") and not debug: [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and (processor == "x86"): [PASS, NOTRUN]
+
+  [move(name) can overwrite an existing file]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [FAIL, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [FAIL, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [FAIL, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [FAIL, NOTRUN]
+      FAIL
+
+  [move(dir) can overwrite an existing file]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [FAIL, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [move(dir, name) can overwrite an existing file]
+    expected:
+      if (os == "win") and debug and (processor == "x86_64") and swgl: [FAIL, NOTRUN]
+      if (os == "win") and debug and (processor == "x86"): [FAIL, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [FAIL, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [FAIL, TIMEOUT, NOTRUN]
+      FAIL
+
+  [FileSystemFileHandles are references, not paths]
+    expected:
+      if (os == "win") and debug and swgl: [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
diff --git a/testing/web-platform/meta/fs/FileSystemFileHandle-sync-access-handle-writable-lock.https.tentative.worker.js.ini b/testing/web-platform/meta/fs/FileSystemFileHandle-sync-access-handle-writable-lock.https.tentative.worker.js.ini
new file mode 100644
index 0000000000..bd53d23b23
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemFileHandle-sync-access-handle-writable-lock.https.tentative.worker.js.ini
@@ -0,0 +1,17 @@
+[FileSystemFileHandle-sync-access-handle-writable-lock.https.tentative.worker.html]
+  expected:
+    if (os == "win") and not debug and (processor == "x86"): [OK, TIMEOUT]
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [Writable streams cannot be created if there is an open access handle]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [Access handles cannot be created if there are open Writable streams]
+    expected:
+      if (processor == "x86") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [An access handle from one file does not interfere with the creation of a writable stream on another file]
+    expected:
+      if (processor == "x86") and not debug: [PASS, TIMEOUT]
diff --git a/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-close.https.tentative.worker.js.ini b/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-close.https.tentative.worker.js.ini
new file mode 100644
index 0000000000..7d764d6876
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-close.https.tentative.worker.js.ini
@@ -0,0 +1,39 @@
+[FileSystemSyncAccessHandle-close.https.tentative.worker.html]
+  expected:
+    if (os == "linux") and not debug and fission: [OK, CRASH]
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [SyncAccessHandle.close is idempotent]
+    expected:
+      if not debug and (os == "mac"): [PASS, FAIL]
+      if not debug and (os == "android"): [PASS, FAIL]
+      if not debug and (os == "linux"): [PASS, FAIL]
+
+  [SyncAccessHandle.read fails after SyncAccessHandle.close]
+    expected:
+      if not debug and (os == "mac"): [PASS, FAIL]
+      if not debug and (os == "android"): [PASS, FAIL]
+      if not debug and (os == "linux"): [PASS, FAIL]
+
+  [SyncAccessHandle.write fails after SyncAccessHandle.close]
+    expected:
+      if not debug and (os == "mac"): [PASS, FAIL]
+      if not debug and (os == "android"): [PASS, FAIL]
+      if not debug and (os == "linux"): [PASS, FAIL]
+
+  [SyncAccessHandle.flush fails after SyncAccessHandle.close]
+    expected:
+      if not debug and (os == "linux"): [PASS, FAIL]
+      if not debug and (os == "mac"): [PASS, FAIL]
+      if not debug and (os == "android"): [PASS, FAIL]
+
+  [SyncAccessHandle.getSize fails after SyncAccessHandle.close]
+    expected:
+      if not debug and (os == "mac"): [PASS, FAIL]
+      if not debug and (os == "android"): [PASS, FAIL]
+      if not debug and (os == "linux"): [PASS, FAIL]
+
+  [SyncAccessHandle.truncate fails after SyncAccessHandle.handle.close]
+    expected:
+      if not debug and (os == "linux"): [PASS, FAIL]
+      if not debug and (os == "android"): [PASS, FAIL]
+      if not debug and (os == "mac"): [PASS, FAIL]
diff --git a/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-flush.https.tentative.worker.js.ini b/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-flush.https.tentative.worker.js.ini
new file mode 100644
index 0000000000..882c2bd49a
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-flush.https.tentative.worker.js.ini
@@ -0,0 +1,3 @@
+[FileSystemSyncAccessHandle-flush.https.tentative.worker.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
diff --git a/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-getSize.https.tentative.worker.js.ini b/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-getSize.https.tentative.worker.js.ini
new file mode 100644
index 0000000000..138daf974b
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-getSize.https.tentative.worker.js.ini
@@ -0,0 +1,8 @@
+[FileSystemSyncAccessHandle-getSize.https.tentative.worker.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [test SyncAccessHandle.getSize after SyncAccessHandle.write]
+    expected:
+      if not debug and (os == "mac"): [PASS, FAIL]
+      if not debug and (os == "linux"): [PASS, FAIL]
+      if not debug and (os == "android"): [PASS, FAIL]
diff --git a/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-read-write.https.tentative.worker.js.ini b/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-read-write.https.tentative.worker.js.ini
new file mode 100644
index 0000000000..d781168a90
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-read-write.https.tentative.worker.js.ini
@@ -0,0 +1,3 @@
+[FileSystemSyncAccessHandle-read-write.https.tentative.worker.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
diff --git a/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-truncate.https.tentative.worker.js.ini b/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-truncate.https.tentative.worker.js.ini
new file mode 100644
index 0000000000..419ce56ebc
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemSyncAccessHandle-truncate.https.tentative.worker.js.ini
@@ -0,0 +1,14 @@
+[FileSystemSyncAccessHandle-truncate.https.tentative.worker.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [test SyncAccessHandle.truncate with different sizes]
+    expected:
+      if not debug and (os == "android"): [PASS, FAIL]
+      if not debug and (os == "mac"): [PASS, FAIL]
+      if not debug and (os == "linux"): [PASS, FAIL]
+
+  [test SyncAccessHandle.truncate after SyncAccessHandle.write]
+    expected:
+      if not debug and (os == "mac"): [PASS, FAIL]
+      if not debug and (os == "android"): [PASS, FAIL]
+      if not debug and (os == "linux"): [PASS, FAIL]
diff --git a/testing/web-platform/meta/fs/FileSystemWritableFileStream-piped.https.any.js.ini b/testing/web-platform/meta/fs/FileSystemWritableFileStream-piped.https.any.js.ini
new file mode 100644
index 0000000000..f0049f5056
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemWritableFileStream-piped.https.any.js.ini
@@ -0,0 +1,56 @@
+prefs: [dom.fs.enabled:false]
+[FileSystemWritableFileStream-piped.https.any.html]
+  expected:
+    if (os == "linux") and not debug and fission: [OK, CRASH]
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [can be piped to with a string]
+    expected: FAIL
+
+  [can be piped to with an ArrayBuffer]
+    expected: FAIL
+
+  [can be piped to with a Blob]
+    expected: FAIL
+
+  [can be piped to with a param object with write command]
+    expected: FAIL
+
+  [can be piped to with a param object with multiple commands]
+    expected: FAIL
+
+  [multiple operations can be queued]
+    expected: FAIL
+
+  [plays well with fetch]
+    expected: FAIL
+
+  [abort() aborts write]
+    expected: FAIL
+
+
+[FileSystemWritableFileStream-piped.https.any.worker.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [can be piped to with a string]
+    expected: FAIL
+
+  [can be piped to with an ArrayBuffer]
+    expected: FAIL
+
+  [can be piped to with a Blob]
+    expected: FAIL
+
+  [can be piped to with a param object with write command]
+    expected: FAIL
+
+  [can be piped to with a param object with multiple commands]
+    expected: FAIL
+
+  [multiple operations can be queued]
+    expected: FAIL
+
+  [plays well with fetch]
+    expected: FAIL
+
+  [abort() aborts write]
+    expected: FAIL
diff --git a/testing/web-platform/meta/fs/FileSystemWritableFileStream-write.https.any.js.ini b/testing/web-platform/meta/fs/FileSystemWritableFileStream-write.https.any.js.ini
new file mode 100644
index 0000000000..46635f1b68
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemWritableFileStream-write.https.any.js.ini
@@ -0,0 +1,277 @@
+[FileSystemWritableFileStream-write.https.any.html]
+  expected:
+    if (os == "win") and (processor == "x86_64") and not debug: [OK, ERROR, TIMEOUT]
+    if (os == "android") and fission: [OK, TIMEOUT]
+    if (os == "win") and (processor == "x86"): [OK, TIMEOUT]
+  [write() a blob to an empty file]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT]
+
+  [write() with WriteParams without position to an empty file]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [write() a string to an empty file with zero offset]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [write() a blob to an empty file with zero offset]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [write() called consecutively appends]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [write() WriteParams without position and string appends]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [write() WriteParams without position and blob appends]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [write() called with a string and a valid offset]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [write() called with a blob and a valid offset]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [write() called with an offset beyond the end of the file]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [write() with an empty string to an empty file]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [write() with a valid utf-8 string]
+    expected:
+      if (os == "win") and not debug and (processor == "x86"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [write() with a string with unix line ending preserved]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, TIMEOUT, NOTRUN]
+
+  [write() with a string with windows line ending preserved]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, TIMEOUT]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [write() with an empty array buffer to an empty file]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [write() with a valid typed array buffer]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [atomic writes: writable file streams make atomic changes on close]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [FAIL, NOTRUN]
+      if (os == "win") and not debug: [FAIL, NOTRUN]
+      FAIL
+
+  [atomic writes: write() after close() fails]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [atomic writes: truncate() after close() fails]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [atomic writes: close() after close() fails]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [atomic writes: only one close() operation may succeed]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [getWriter() can be used]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [WriteParams: truncate missing size param]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [WriteParams: write missing data param]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [WriteParams: seek missing position param]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [write() with an invalid blob to an empty file should reject]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [WriteParams: write null data param]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+
+[FileSystemWritableFileStream-write.https.any.worker.html]
+  expected:
+    if (os == "win") and debug and (processor == "x86"): [OK, TIMEOUT]
+    if (os == "win") and not debug: [OK, TIMEOUT]
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [write() called with a blob and a valid offset]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and debug and not swgl: [PASS, NOTRUN]
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [write() called with an offset beyond the end of the file]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+      if (os == "win") and not swgl and debug: [PASS, NOTRUN]
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [write() with an empty string to an empty file]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+      if (os == "win") and not swgl and debug: [PASS, NOTRUN]
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [write() with a valid utf-8 string]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+      if (os == "win") and not swgl and debug: [PASS, NOTRUN]
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [write() with a string with unix line ending preserved]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, TIMEOUT]
+      if (os == "win") and not swgl and debug: [PASS, NOTRUN]
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [write() with a string with windows line ending preserved]
+    expected:
+      if (os == "win") and not swgl: [PASS, NOTRUN]
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [write() with an empty array buffer to an empty file]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
+      if (os == "win") and not swgl: [PASS, NOTRUN]
+
+  [write() with a valid typed array buffer]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
+      if (os == "win") and not swgl: [PASS, NOTRUN]
+
+  [atomic writes: writable file streams make atomic changes on close]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86_64"): [FAIL, NOTRUN]
+      if (os == "win") and not swgl and debug and (processor == "x86"): [FAIL, NOTRUN]
+      FAIL
+
+  [getWriter() can be used]
+    expected:
+      if (os == "win") and not swgl and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+      if (os == "win") and not swgl and not debug and (processor == "x86"): [PASS, TIMEOUT, NOTRUN]
+      if (os == "win") and not swgl and debug: [PASS, NOTRUN]
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [WriteParams: truncate missing size param]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
+      if os == "win": [PASS, NOTRUN]
+
+  [WriteParams: write missing data param]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+      if (os == "win") and not debug and (processor == "x86"): [PASS, TIMEOUT]
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [WriteParams: seek missing position param]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
+      if os == "win": [PASS, NOTRUN]
+
+  [write() with an invalid blob to an empty file should reject]
+    expected:
+      if (os == "win") and debug and (processor == "x86"): [PASS, NOTRUN]
+      if (os == "win") and not debug: [PASS, NOTRUN]
+
+  [WriteParams: write null data param]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
+      if (os == "win") and not swgl: [PASS, NOTRUN]
+
+  [write() with an empty blob to an empty file]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [write() a blob to an empty file]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [write() with WriteParams without position to an empty file]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [write() a string to an empty file with zero offset]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [write() a blob to an empty file with zero offset]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [write() called consecutively appends]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [write() WriteParams without position and string appends]
+    expected:
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [write() WriteParams without position and blob appends]
+    expected:
+      if (os == "win") and (processor == "x86_64") and debug and not swgl: [PASS, TIMEOUT]
+      if (os == "win") and (processor == "x86_64") and not debug: [PASS, TIMEOUT, NOTRUN]
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [write() called with a string and a valid offset]
+    expected:
+      if (os == "win") and (processor == "x86") and debug: [PASS, TIMEOUT]
+      if (os == "win") and (processor == "x86_64") and not swgl: [PASS, NOTRUN]
+      if (os == "android") and not debug: [PASS, FAIL]
+
+  [atomic writes: only one close() operation may succeed]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [atomic writes: write() after close() fails]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [atomic writes: truncate() after close() fails]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [atomic writes: close() after close() fails]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
diff --git a/testing/web-platform/meta/fs/FileSystemWritableFileStream.https.any.js.ini b/testing/web-platform/meta/fs/FileSystemWritableFileStream.https.any.js.ini
new file mode 100644
index 0000000000..283329d9d5
--- /dev/null
+++ b/testing/web-platform/meta/fs/FileSystemWritableFileStream.https.any.js.ini
@@ -0,0 +1,66 @@
+[FileSystemWritableFileStream.https.any.html]
+  expected:
+    if (os == "win") and not debug and (processor == "x86_64"): [OK, TIMEOUT]
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [truncate() to grow a file]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT]
+
+  [createWritable() fails when parent directory is removed]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [createWritable({keepExistingData: true}): atomic writable file stream initialized with source contents]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [createWritable({keepExistingData: false}): atomic writable file stream initialized with empty file]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [FAIL, NOTRUN]
+      FAIL
+
+  [cursor position: truncate size > offset]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [cursor position: truncate size < offset]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [commands are queued, stream is unlocked after each operation]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+
+[FileSystemWritableFileStream.https.any.worker.html]
+  expected:
+    if (os == "win") and not debug and (processor == "x86_64"): [OK, TIMEOUT]
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [createWritable({keepExistingData: false}): atomic writable file stream initialized with empty file]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [FAIL, NOTRUN]
+      FAIL
+
+  [commands are queued, stream is unlocked after each operation]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [cursor position: truncate size < offset]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [createWritable({keepExistingData: true}): atomic writable file stream initialized with source contents]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [createWritable() fails when parent directory is removed]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
+
+  [truncate() to grow a file]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, TIMEOUT]
+
+  [cursor position: truncate size > offset]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [PASS, NOTRUN]
diff --git a/testing/web-platform/meta/fs/__dir__.ini b/testing/web-platform/meta/fs/__dir__.ini
new file mode 100644
index 0000000000..df6673fa87
--- /dev/null
+++ b/testing/web-platform/meta/fs/__dir__.ini
@@ -0,0 +1 @@
+prefs: [dom.fs.enabled:true, dom.fs.writable_file_stream.enabled:true]
diff --git a/testing/web-platform/meta/fs/idlharness.https.any.js.ini b/testing/web-platform/meta/fs/idlharness.https.any.js.ini
new file mode 100644
index 0000000000..cfc512353f
--- /dev/null
+++ b/testing/web-platform/meta/fs/idlharness.https.any.js.ini
@@ -0,0 +1,31 @@
+[idlharness.https.any.worker.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [FileSystemSyncAccessHandle interface: operation truncate(unsigned long long)]
+    expected:
+      if not debug and (os == "mac"): [PASS, FAIL]
+      if not debug and (os == "linux"): [PASS, FAIL]
+      if not debug and (os == "android"): [PASS, FAIL]
+
+  [FileSystemSyncAccessHandle interface: operation getSize()]
+    expected:
+      if not debug and (os == "linux"): [PASS, FAIL]
+      if not debug and (os == "mac"): [PASS, FAIL]
+      if not debug and (os == "android"): [PASS, FAIL]
+
+  [FileSystemSyncAccessHandle interface: operation flush()]
+    expected:
+      if not debug and (os == "android"): [PASS, FAIL]
+      if not debug and (os == "mac"): [PASS, FAIL]
+      if not debug and (os == "linux"): [PASS, FAIL]
+
+  [FileSystemSyncAccessHandle interface: operation close()]
+    expected:
+      if not debug and (os == "android"): [PASS, FAIL]
+      if not debug and (os == "linux"): [PASS, FAIL]
+      if not debug and (os == "mac"): [PASS, FAIL]
+
+
+[idlharness.https.any.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
diff --git a/testing/web-platform/meta/fs/opaque-origin.https.window.js.ini b/testing/web-platform/meta/fs/opaque-origin.https.window.js.ini
new file mode 100644
index 0000000000..73b71a4033
--- /dev/null
+++ b/testing/web-platform/meta/fs/opaque-origin.https.window.js.ini
@@ -0,0 +1,12 @@
+prefs: [dom.fs.enabled:false]
+[opaque-origin.https.window.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [FileSystemDirectoryHandle must be defined for data URI iframes.]
+    expected: FAIL
+
+  [navigator.storage.getDirectory() must reject in a sandboxed iframe.]
+    expected: FAIL
+
+  [navigator.storage.getDirectory() must reject in a sandboxed opened window.]
+    expected: FAIL