1 files changed, 44 insertions, 0 deletions
diff --git a/dom/quota/test/gtest/TestPersistenceType.cpp b/dom/quota/test/gtest/TestPersistenceType.cpp
new file mode 100644
index 0000000000..c4f1e5d581
--- /dev/null
+++ b/dom/quota/test/gtest/TestPersistenceType.cpp
@@ -0,0 +1,44 @@
+/* -*- 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 "mozilla/dom/quota/PersistenceType.h"
+
+#include "gtest/gtest.h"
+
+#include "nsDirectoryServiceDefs.h"
+#include "nsDirectoryServiceUtils.h"
+#include "nsIFile.h"
+
+namespace mozilla::dom::quota {
+
+TEST(PersistenceType, FromFile)
+{
+  nsCOMPtr<nsIFile> base;
+  nsresult rv = NS_GetSpecialDirectory(NS_OS_TEMP_DIR, getter_AddRefs(base));
+  EXPECT_EQ(rv, NS_OK);
+
+  const auto testPersistenceType = [&base](const nsLiteralString& aString,
+                                           const Maybe<PersistenceType> aType) {
+    nsCOMPtr<nsIFile> file;
+
+    nsresult rv = base->Clone(getter_AddRefs(file));
+    EXPECT_EQ(rv, NS_OK);
+
+    rv = file->Append(aString);
+    EXPECT_EQ(rv, NS_OK);
+
+    auto maybePersistenceType = PersistenceTypeFromFile(*file, fallible);
+    EXPECT_EQ(maybePersistenceType, aType);
+  };
+
+  testPersistenceType(u"permanent"_ns, Some(PERSISTENCE_TYPE_PERSISTENT));
+  testPersistenceType(u"temporary"_ns, Some(PERSISTENCE_TYPE_TEMPORARY));
+  testPersistenceType(u"default"_ns, Some(PERSISTENCE_TYPE_DEFAULT));
+  testPersistenceType(u"persistent"_ns, Nothing());
+  testPersistenceType(u"foobar"_ns, Nothing());
+}
+
+}  // namespace mozilla::dom::quota