chore: import upstream snapshot with attribution

2026-07-13 13:29:29 +08:00
commit f52cf32e56
1718 changed files with 366293 additions and 0 deletions
@@ -0,0 +1,35 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "butil/strings/nullable_string16.h"
+#include "butil/strings/utf_string_conversions.h"
+#include <gtest/gtest.h>
+
+namespace butil {
+
+TEST(NullableString16Test, DefaultConstructor) {
+  NullableString16 s;
+  EXPECT_TRUE(s.is_null());
+  EXPECT_EQ(string16(), s.string());
+}
+
+TEST(NullableString16Test, Equals) {
+  NullableString16 a(ASCIIToUTF16("hello"), false);
+  NullableString16 b(ASCIIToUTF16("hello"), false);
+  EXPECT_EQ(a, b);
+}
+
+TEST(NullableString16Test, NotEquals) {
+  NullableString16 a(ASCIIToUTF16("hello"), false);
+  NullableString16 b(ASCIIToUTF16("world"), false);
+  EXPECT_NE(a, b);
+}
+
+TEST(NullableString16Test, NotEqualsNull) {
+  NullableString16 a(ASCIIToUTF16("hello"), false);
+  NullableString16 b;
+  EXPECT_NE(a, b);
+}
+
+}  // namespace butil