Adding upstream version 115.8.0esr.upstream/115.8.0esr

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

4 files changed, 530 insertions, 0 deletions

diff --git a/dom/fs/test/gtest/api/TestFileSystemDirectoryHandle.cpp b/dom/fs/test/gtest/api/TestFileSystemDirectoryHandle.cpp
new file mode 100644
index 0000000000..9114f3bb33
--- /dev/null
+++ b/dom/fs/test/gtest/api/TestFileSystemDirectoryHandle.cpp
@@ -0,0 +1,234 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "FileSystemMocks.h"
+#include "gtest/gtest.h"
+#include "mozilla/UniquePtr.h"
+#include "mozilla/dom/FileSystemDirectoryHandle.h"
+#include "mozilla/dom/FileSystemDirectoryHandleBinding.h"
+#include "mozilla/dom/FileSystemHandle.h"
+#include "mozilla/dom/FileSystemHandleBinding.h"
+#include "mozilla/dom/FileSystemManager.h"
+#include "mozilla/dom/StorageManager.h"
+#include "nsIGlobalObject.h"
+
+using ::testing::_;
+
+namespace mozilla::dom::fs::test {
+
+class TestFileSystemDirectoryHandle : public ::testing::Test {
+ protected:
+  void SetUp() override {
+    // TODO: Fix the test to not depend on CreateFileSystemManagerParent
+    // failure because of the pref set to false.
+    nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
+    prefs->SetBoolPref("dom.fs.enabled", false);
+
+    mRequestHandler = MakeUnique<MockFileSystemRequestHandler>();
+    mMetadata = FileSystemEntryMetadata("dir"_ns, u"Directory"_ns,
+                                        /* directory */ true);
+    mName = u"testDir"_ns;
+    mManager = MakeAndAddRef<FileSystemManager>(mGlobal, nullptr);
+  }
+
+  void TearDown() override {
+    nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
+    prefs->SetBoolPref("dom.fs.enabled", true);
+
+    if (!mManager->IsShutdown()) {
+      mManager->Shutdown();
+    }
+  }
+
+  nsIGlobalObject* mGlobal = GetGlobal();
+  const IterableIteratorBase::IteratorType mIteratorType =
+      IterableIteratorBase::IteratorType::Keys;
+  UniquePtr<MockFileSystemRequestHandler> mRequestHandler;
+  FileSystemEntryMetadata mMetadata;
+  nsString mName;
+  RefPtr<FileSystemManager> mManager;
+};
+
+TEST_F(TestFileSystemDirectoryHandle, constructDirectoryHandleRefPointer) {
+  RefPtr<FileSystemDirectoryHandle> dirHandle =
+      MakeAndAddRef<FileSystemDirectoryHandle>(mGlobal, mManager, mMetadata);
+
+  ASSERT_TRUE(dirHandle);
+}
+
+TEST_F(TestFileSystemDirectoryHandle, initIterator) {
+  RefPtr<FileSystemDirectoryHandle> dirHandle =
+      MakeAndAddRef<FileSystemDirectoryHandle>(mGlobal, mManager, mMetadata,
+                                               mRequestHandler.release());
+
+  ASSERT_TRUE(dirHandle);
+
+  RefPtr<FileSystemDirectoryHandle::iterator_t> iterator =
+      new FileSystemDirectoryHandle::iterator_t(dirHandle.get(), mIteratorType);
+  IgnoredErrorResult rv;
+  dirHandle->InitAsyncIteratorData(iterator->Data(), mIteratorType, rv);
+  ASSERT_TRUE(iterator->Data().mImpl);
+}
+
+class MockFileSystemDirectoryIteratorImpl final
+    : public FileSystemDirectoryIterator::Impl {
+ public:
+  MOCK_METHOD(already_AddRefed<Promise>, Next,
+              (nsIGlobalObject * aGlobal, RefPtr<FileSystemManager>& aManager,
+               ErrorResult& aError),
+              (override));
+};
+
+TEST_F(TestFileSystemDirectoryHandle, isNextPromiseReturned) {
+  RefPtr<FileSystemDirectoryHandle> dirHandle =
+      MakeAndAddRef<FileSystemDirectoryHandle>(mGlobal, mManager, mMetadata,
+                                               mRequestHandler.release());
+
+  ASSERT_TRUE(dirHandle);
+
+  auto mockIter = MakeUnique<MockFileSystemDirectoryIteratorImpl>();
+  IgnoredErrorResult error;
+  EXPECT_CALL(*mockIter, Next(_, _, _))
+      .WillOnce(::testing::Return(Promise::Create(mGlobal, error)));
+
+  RefPtr<FileSystemDirectoryHandle::iterator_t> iterator =
+      MakeAndAddRef<FileSystemDirectoryHandle::iterator_t>(dirHandle.get(),
+                                                           mIteratorType);
+  iterator->Data().mImpl = std::move(mockIter);
+
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise =
+      dirHandle->GetNextIterationResult(iterator.get(), rv);
+  ASSERT_TRUE(promise);
+}
+
+TEST_F(TestFileSystemDirectoryHandle, isHandleKindDirectory) {
+  RefPtr<FileSystemDirectoryHandle> dirHandle =
+      MakeAndAddRef<FileSystemDirectoryHandle>(mGlobal, mManager, mMetadata,
+                                               mRequestHandler.release());
+
+  ASSERT_TRUE(dirHandle);
+
+  ASSERT_EQ(FileSystemHandleKind::Directory, dirHandle->Kind());
+}
+
+TEST_F(TestFileSystemDirectoryHandle, isFileHandleReturned) {
+  EXPECT_CALL(*mRequestHandler, GetFileHandle(_, _, _, _, _))
+      .WillOnce(::testing::ReturnArg<3>());
+  RefPtr<FileSystemDirectoryHandle> dirHandle =
+      MakeAndAddRef<FileSystemDirectoryHandle>(mGlobal, mManager, mMetadata,
+                                               mRequestHandler.release());
+
+  ASSERT_TRUE(dirHandle);
+
+  FileSystemGetFileOptions options;
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise = dirHandle->GetFileHandle(mName, options, rv);
+
+  ASSERT_TRUE(rv.ErrorCodeIs(NS_OK));
+}
+
+TEST_F(TestFileSystemDirectoryHandle, doesGetFileHandleFailOnNullGlobal) {
+  mGlobal = nullptr;
+  RefPtr<FileSystemDirectoryHandle> dirHandle =
+      MakeAndAddRef<FileSystemDirectoryHandle>(mGlobal, mManager, mMetadata);
+
+  ASSERT_TRUE(dirHandle);
+
+  FileSystemGetFileOptions options;
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise = dirHandle->GetFileHandle(mName, options, rv);
+
+  ASSERT_TRUE(rv.ErrorCodeIs(NS_ERROR_UNEXPECTED));
+}
+
+TEST_F(TestFileSystemDirectoryHandle, isDirectoryHandleReturned) {
+  EXPECT_CALL(*mRequestHandler, GetDirectoryHandle(_, _, _, _, _))
+      .WillOnce(::testing::ReturnArg<3>());
+  RefPtr<FileSystemDirectoryHandle> dirHandle =
+      MakeAndAddRef<FileSystemDirectoryHandle>(mGlobal, mManager, mMetadata,
+                                               mRequestHandler.release());
+
+  ASSERT_TRUE(dirHandle);
+
+  FileSystemGetDirectoryOptions options;
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise = dirHandle->GetDirectoryHandle(mName, options, rv);
+
+  ASSERT_TRUE(rv.ErrorCodeIs(NS_OK));
+}
+
+TEST_F(TestFileSystemDirectoryHandle, doesGetDirectoryHandleFailOnNullGlobal) {
+  mGlobal = nullptr;
+  RefPtr<FileSystemDirectoryHandle> dirHandle =
+      MakeAndAddRef<FileSystemDirectoryHandle>(mGlobal, mManager, mMetadata);
+
+  ASSERT_TRUE(dirHandle);
+
+  FileSystemGetDirectoryOptions options;
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise = dirHandle->GetDirectoryHandle(mName, options, rv);
+
+  ASSERT_TRUE(rv.ErrorCodeIs(NS_ERROR_UNEXPECTED));
+}
+
+TEST_F(TestFileSystemDirectoryHandle, isRemoveEntrySuccessful) {
+  EXPECT_CALL(*mRequestHandler, RemoveEntry(_, _, _, _, _))
+      .WillOnce(::testing::ReturnArg<3>());
+  RefPtr<FileSystemDirectoryHandle> dirHandle =
+      MakeAndAddRef<FileSystemDirectoryHandle>(mGlobal, mManager, mMetadata,
+                                               mRequestHandler.release());
+
+  ASSERT_TRUE(dirHandle);
+
+  FileSystemRemoveOptions options;
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise = dirHandle->RemoveEntry(mName, options, rv);
+
+  ASSERT_TRUE(rv.ErrorCodeIs(NS_OK));
+}
+
+TEST_F(TestFileSystemDirectoryHandle, doesRemoveEntryFailOnNullGlobal) {
+  mGlobal = nullptr;
+  RefPtr<FileSystemDirectoryHandle> dirHandle =
+      MakeAndAddRef<FileSystemDirectoryHandle>(mGlobal, mManager, mMetadata);
+
+  ASSERT_TRUE(dirHandle);
+
+  FileSystemRemoveOptions options;
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise = dirHandle->RemoveEntry(mName, options, rv);
+
+  ASSERT_TRUE(rv.ErrorCodeIs(NS_ERROR_UNEXPECTED));
+}
+
+TEST_F(TestFileSystemDirectoryHandle, isResolveSuccessful) {
+  RefPtr<FileSystemDirectoryHandle> dirHandle =
+      MakeAndAddRef<FileSystemDirectoryHandle>(mGlobal, mManager, mMetadata,
+                                               mRequestHandler.release());
+
+  ASSERT_TRUE(dirHandle);
+
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise = dirHandle->Resolve(*dirHandle, rv);
+
+  ASSERT_TRUE(rv.ErrorCodeIs(NS_OK));
+}
+
+TEST_F(TestFileSystemDirectoryHandle, doesResolveFailOnNullGlobal) {
+  mGlobal = nullptr;
+  RefPtr<FileSystemDirectoryHandle> dirHandle =
+      MakeAndAddRef<FileSystemDirectoryHandle>(mGlobal, mManager, mMetadata);
+
+  ASSERT_TRUE(dirHandle);
+
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise = dirHandle->Resolve(*dirHandle, rv);
+
+  ASSERT_TRUE(rv.ErrorCodeIs(NS_ERROR_UNEXPECTED));
+}
+
+}  // namespace mozilla::dom::fs::test
diff --git a/dom/fs/test/gtest/api/TestFileSystemFileHandle.cpp b/dom/fs/test/gtest/api/TestFileSystemFileHandle.cpp
new file mode 100644
index 0000000000..263c1f2ed1
--- /dev/null
+++ b/dom/fs/test/gtest/api/TestFileSystemFileHandle.cpp
@@ -0,0 +1,144 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "FileSystemMocks.h"
+#include "fs/FileSystemChildFactory.h"
+#include "gtest/gtest.h"
+#include "mozilla/UniquePtr.h"
+#include "mozilla/dom/FileSystemFileHandle.h"
+#include "mozilla/dom/FileSystemFileHandleBinding.h"
+#include "mozilla/dom/FileSystemHandle.h"
+#include "mozilla/dom/FileSystemHandleBinding.h"
+#include "mozilla/dom/FileSystemManager.h"
+#include "mozilla/dom/Promise.h"
+#include "mozilla/dom/StorageManager.h"
+#include "nsIGlobalObject.h"
+
+namespace mozilla::dom::fs::test {
+
+class TestFileSystemFileHandle : public ::testing::Test {
+ protected:
+  void SetUp() override {
+    // TODO: Fix the test to not depend on CreateFileSystemManagerParent
+    // failure because of the pref set to false.
+    nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
+    prefs->SetBoolPref("dom.fs.enabled", false);
+
+    mRequestHandler = MakeUnique<MockFileSystemRequestHandler>();
+    mMetadata =
+        FileSystemEntryMetadata("file"_ns, u"File"_ns, /* directory */ false);
+    mManager = MakeAndAddRef<FileSystemManager>(mGlobal, nullptr);
+  }
+
+  void TearDown() override {
+    nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
+    prefs->SetBoolPref("dom.fs.enabled", true);
+
+    if (!mManager->IsShutdown()) {
+      mManager->Shutdown();
+    }
+  }
+
+  nsIGlobalObject* mGlobal = GetGlobal();
+  UniquePtr<MockFileSystemRequestHandler> mRequestHandler;
+  FileSystemEntryMetadata mMetadata;
+  RefPtr<FileSystemManager> mManager;
+};
+
+TEST_F(TestFileSystemFileHandle, constructFileHandleRefPointer) {
+  RefPtr<FileSystemFileHandle> fileHandle = MakeAndAddRef<FileSystemFileHandle>(
+      mGlobal, mManager, mMetadata, mRequestHandler.release());
+
+  ASSERT_TRUE(fileHandle);
+}
+
+TEST_F(TestFileSystemFileHandle, isHandleKindFile) {
+  RefPtr<FileSystemFileHandle> fileHandle = MakeAndAddRef<FileSystemFileHandle>(
+      mGlobal, mManager, mMetadata, mRequestHandler.release());
+
+  ASSERT_TRUE(fileHandle);
+
+  ASSERT_EQ(FileSystemHandleKind::File, fileHandle->Kind());
+}
+
+TEST_F(TestFileSystemFileHandle, isFileReturned) {
+  RefPtr<FileSystemFileHandle> fileHandle = MakeAndAddRef<FileSystemFileHandle>(
+      mGlobal, mManager, mMetadata, mRequestHandler.release());
+
+  ASSERT_TRUE(fileHandle);
+
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise = fileHandle->GetFile(rv);
+
+  ASSERT_TRUE(rv.ErrorCodeIs(NS_OK));
+}
+
+TEST_F(TestFileSystemFileHandle, doesGetFileFailOnNullGlobal) {
+  mGlobal = nullptr;
+  RefPtr<FileSystemFileHandle> fileHandle = MakeAndAddRef<FileSystemFileHandle>(
+      mGlobal, mManager, mMetadata, mRequestHandler.release());
+
+  ASSERT_TRUE(fileHandle);
+
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise = fileHandle->GetFile(rv);
+
+  ASSERT_TRUE(rv.ErrorCodeIs(NS_ERROR_UNEXPECTED));
+}
+
+TEST_F(TestFileSystemFileHandle, isWritableReturned) {
+  RefPtr<FileSystemFileHandle> fileHandle = MakeAndAddRef<FileSystemFileHandle>(
+      mGlobal, mManager, mMetadata, mRequestHandler.release());
+
+  ASSERT_TRUE(fileHandle);
+
+  FileSystemCreateWritableOptions options;
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise = fileHandle->CreateWritable(options, rv);
+
+  ASSERT_TRUE(rv.ErrorCodeIs(NS_OK));
+}
+
+TEST_F(TestFileSystemFileHandle, doesCreateWritableFailOnNullGlobal) {
+  mGlobal = nullptr;
+  RefPtr<FileSystemFileHandle> fileHandle = MakeAndAddRef<FileSystemFileHandle>(
+      mGlobal, mManager, mMetadata, mRequestHandler.release());
+
+  ASSERT_TRUE(fileHandle);
+
+  FileSystemCreateWritableOptions options;
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise = fileHandle->CreateWritable(options, rv);
+
+  ASSERT_TRUE(rv.ErrorCodeIs(NS_ERROR_UNEXPECTED));
+}
+
+TEST_F(TestFileSystemFileHandle, isSyncAccessHandleReturned) {
+  RefPtr<FileSystemFileHandle> fileHandle = MakeAndAddRef<FileSystemFileHandle>(
+      mGlobal, mManager, mMetadata, mRequestHandler.release());
+
+  ASSERT_TRUE(fileHandle);
+
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise = fileHandle->CreateSyncAccessHandle(rv);
+
+  ASSERT_TRUE(rv.ErrorCodeIs(NS_OK));
+}
+
+TEST_F(TestFileSystemFileHandle, doesCreateSyncAccessHandleFailOnNullGlobal) {
+  mGlobal = nullptr;
+  RefPtr<FileSystemFileHandle> fileHandle = MakeAndAddRef<FileSystemFileHandle>(
+      mGlobal, mManager, mMetadata, mRequestHandler.release());
+
+  ASSERT_TRUE(fileHandle);
+
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise = fileHandle->CreateSyncAccessHandle(rv);
+
+  ASSERT_TRUE(rv.ErrorCodeIs(NS_ERROR_UNEXPECTED));
+}
+
+}  // namespace mozilla::dom::fs::test
diff --git a/dom/fs/test/gtest/api/TestFileSystemHandle.cpp b/dom/fs/test/gtest/api/TestFileSystemHandle.cpp
new file mode 100644
index 0000000000..19cdc98a84
--- /dev/null
+++ b/dom/fs/test/gtest/api/TestFileSystemHandle.cpp
@@ -0,0 +1,131 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "FileSystemMocks.h"
+#include "fs/FileSystemChildFactory.h"
+#include "gtest/gtest.h"
+#include "mozilla/dom/FileSystemDirectoryHandle.h"
+#include "mozilla/dom/FileSystemFileHandle.h"
+#include "mozilla/dom/FileSystemHandle.h"
+#include "mozilla/dom/FileSystemHandleBinding.h"
+#include "mozilla/dom/FileSystemManager.h"
+#include "mozilla/dom/StorageManager.h"
+#include "nsIGlobalObject.h"
+
+namespace mozilla::dom::fs::test {
+
+class TestFileSystemHandle : public ::testing::Test {
+ protected:
+  void SetUp() override {
+    // TODO: Fix the test to not depend on CreateFileSystemManagerParent
+    // failure because of the pref set to false.
+    nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
+    prefs->SetBoolPref("dom.fs.enabled", false);
+
+    mDirMetadata = FileSystemEntryMetadata("dir"_ns, u"Directory"_ns,
+                                           /* directory */ true);
+    mFileMetadata =
+        FileSystemEntryMetadata("file"_ns, u"File"_ns, /* directory */ false);
+    mManager = MakeAndAddRef<FileSystemManager>(mGlobal, nullptr);
+  }
+
+  void TearDown() override {
+    nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
+    prefs->SetBoolPref("dom.fs.enabled", true);
+
+    if (!mManager->IsShutdown()) {
+      mManager->Shutdown();
+    }
+  }
+
+  nsIGlobalObject* mGlobal = GetGlobal();
+  FileSystemEntryMetadata mDirMetadata;
+  FileSystemEntryMetadata mFileMetadata;
+  RefPtr<FileSystemManager> mManager;
+};
+
+TEST_F(TestFileSystemHandle, createAndDestroyHandles) {
+  RefPtr<FileSystemHandle> dirHandle =
+      new FileSystemDirectoryHandle(mGlobal, mManager, mDirMetadata);
+  RefPtr<FileSystemHandle> fileHandle =
+      new FileSystemFileHandle(mGlobal, mManager, mFileMetadata);
+
+  EXPECT_TRUE(dirHandle);
+  EXPECT_TRUE(fileHandle);
+}
+
+TEST_F(TestFileSystemHandle, areFileNamesAsExpected) {
+  RefPtr<FileSystemHandle> dirHandle =
+      new FileSystemDirectoryHandle(mGlobal, mManager, mDirMetadata);
+  RefPtr<FileSystemHandle> fileHandle =
+      new FileSystemFileHandle(mGlobal, mManager, mFileMetadata);
+
+  auto GetEntryName = [](const RefPtr<FileSystemHandle>& aHandle) {
+    DOMString domName;
+    aHandle->GetName(domName);
+    nsString result;
+    domName.ToString(result);
+    return result;
+  };
+
+  const nsString& dirName = GetEntryName(dirHandle);
+  EXPECT_TRUE(mDirMetadata.entryName().Equals(dirName));
+
+  const nsString& fileName = GetEntryName(fileHandle);
+  EXPECT_TRUE(mFileMetadata.entryName().Equals(fileName));
+}
+
+TEST_F(TestFileSystemHandle, isParentObjectReturned) {
+  ASSERT_TRUE(mGlobal);
+  RefPtr<FileSystemHandle> dirHandle =
+      new FileSystemDirectoryHandle(mGlobal, mManager, mDirMetadata);
+
+  ASSERT_EQ(mGlobal, dirHandle->GetParentObject());
+}
+
+TEST_F(TestFileSystemHandle, areHandleKindsAsExpected) {
+  RefPtr<FileSystemHandle> dirHandle =
+      new FileSystemDirectoryHandle(mGlobal, mManager, mDirMetadata);
+  RefPtr<FileSystemHandle> fileHandle =
+      new FileSystemFileHandle(mGlobal, mManager, mFileMetadata);
+
+  EXPECT_EQ(FileSystemHandleKind::Directory, dirHandle->Kind());
+  EXPECT_EQ(FileSystemHandleKind::File, fileHandle->Kind());
+}
+
+TEST_F(TestFileSystemHandle, isDifferentEntry) {
+  RefPtr<FileSystemHandle> dirHandle =
+      new FileSystemDirectoryHandle(mGlobal, mManager, mDirMetadata);
+  RefPtr<FileSystemHandle> fileHandle =
+      new FileSystemFileHandle(mGlobal, mManager, mFileMetadata);
+
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise = dirHandle->IsSameEntry(*fileHandle, rv);
+  ASSERT_TRUE(rv.ErrorCodeIs(NS_OK));
+  ASSERT_TRUE(promise);
+  ASSERT_EQ(Promise::PromiseState::Resolved, promise->State());
+
+  nsString result;
+  ASSERT_NSEQ(NS_OK, GetAsString(promise, result));
+  ASSERT_STREQ(u"false"_ns, result);
+}
+
+TEST_F(TestFileSystemHandle, isSameEntry) {
+  RefPtr<FileSystemHandle> fileHandle =
+      new FileSystemFileHandle(mGlobal, mManager, mFileMetadata);
+
+  IgnoredErrorResult rv;
+  RefPtr<Promise> promise = fileHandle->IsSameEntry(*fileHandle, rv);
+  ASSERT_TRUE(rv.ErrorCodeIs(NS_OK));
+  ASSERT_TRUE(promise);
+  ASSERT_EQ(Promise::PromiseState::Resolved, promise->State());
+
+  nsString result;
+  ASSERT_NSEQ(NS_OK, GetAsString(promise, result));
+  ASSERT_STREQ(u"true"_ns, result);
+}
+
+}  // namespace mozilla::dom::fs::test
diff --git a/dom/fs/test/gtest/api/moz.build b/dom/fs/test/gtest/api/moz.build
new file mode 100644
index 0000000000..eb8416a3ba
--- /dev/null
+++ b/dom/fs/test/gtest/api/moz.build
@@ -0,0 +1,21 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at http://mozilla.org/MPL/2.0/.
+
+UNIFIED_SOURCES = [
+    "TestFileSystemDirectoryHandle.cpp",
+    "TestFileSystemFileHandle.cpp",
+    "TestFileSystemHandle.cpp",
+]
+
+include("/ipc/chromium/chromium-config.mozbuild")
+
+FINAL_LIBRARY = "xul-gtest"
+
+LOCAL_INCLUDES += [
+    "/dom/fs/api",
+    "/dom/fs/include",
+    "/dom/fs/test/gtest",
+]