1 files changed, 36 insertions, 0 deletions
diff --git a/xpcom/tests/gtest/TestIDUtils.cpp b/xpcom/tests/gtest/TestIDUtils.cpp
new file mode 100644
index 0000000000..adf6a96611
--- /dev/null
+++ b/xpcom/tests/gtest/TestIDUtils.cpp
@@ -0,0 +1,36 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 "nsID.h"
+#include "nsIDUtils.h"
+
+#include "gtest/gtest.h"
+
+static const char* const bare_ids[] = {
+    "5c347b10-d55c-11d1-89b7-006008911b81",
+    "fc347b10-d55c-f1d1-f9b7-006008911b81",
+};
+
+TEST(nsIDUtils, NSID_TrimBracketsUTF16)
+{
+  nsID id{};
+  for (const auto* idstr : bare_ids) {
+    ASSERT_TRUE(id.Parse(idstr));
+
+    NSID_TrimBracketsUTF16 trimmed(id);
+    ASSERT_TRUE(trimmed.EqualsASCII(idstr));
+  }
+}
+
+TEST(nsIDUtils, NSID_TrimBracketsASCII)
+{
+  nsID id{};
+  for (const auto* idstr : bare_ids) {
+    ASSERT_TRUE(id.Parse(idstr));
+
+    NSID_TrimBracketsASCII trimmed(id);
+    ASSERT_TRUE(trimmed.EqualsASCII(idstr));
+  }
+}