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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "base/strings/nullable_string16.h"
      6 #include "base/strings/utf_string_conversions.h"
      7 #include "testing/gtest/include/gtest/gtest.h"
      8 
      9 namespace base {
     10 
     11 TEST(NullableString16Test, DefaultConstructor) {
     12   NullableString16 s;
     13   EXPECT_TRUE(s.is_null());
     14   EXPECT_EQ(string16(), s.string());
     15 }
     16 
     17 TEST(NullableString16Test, Equals) {
     18   NullableString16 a(ASCIIToUTF16("hello"), false);
     19   NullableString16 b(ASCIIToUTF16("hello"), false);
     20   EXPECT_EQ(a, b);
     21 }
     22 
     23 TEST(NullableString16Test, NotEquals) {
     24   NullableString16 a(ASCIIToUTF16("hello"), false);
     25   NullableString16 b(ASCIIToUTF16("world"), false);
     26   EXPECT_NE(a, b);
     27 }
     28 
     29 TEST(NullableString16Test, NotEqualsNull) {
     30   NullableString16 a(ASCIIToUTF16("hello"), false);
     31   NullableString16 b;
     32   EXPECT_NE(a, b);
     33 }
     34 
     35 }  // namespace base
     36