1 // Copyright (c) 2009 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 <sstream>
6
7 #include "base/string16.h"
8 #include "base/utf_string_conversions.h"
9 #include "testing/gtest/include/gtest/gtest.h"
10
11 #if defined(WCHAR_T_IS_UTF32)
12
13 // We define a custom operator<< for string16 so we can use it with logging.
14 // This tests that conversion.
TEST(String16Test,OutputStream)15 TEST(String16Test, OutputStream) {
16 // Basic stream test.
17 {
18 std::ostringstream stream;
19 stream << "Empty '" << string16() << "' standard '"
20 << string16(ASCIIToUTF16("Hello, world")) << "'";
21 EXPECT_STREQ("Empty '' standard 'Hello, world'",
22 stream.str().c_str());
23 }
24
25 // Interesting edge cases.
26 {
27 // These should each get converted to the invalid character: EF BF BD.
28 string16 initial_surrogate;
29 initial_surrogate.push_back(0xd800);
30 string16 final_surrogate;
31 final_surrogate.push_back(0xdc00);
32
33 // Old italic A = U+10300, will get converted to: F0 90 8C 80 'z'.
34 string16 surrogate_pair;
35 surrogate_pair.push_back(0xd800);
36 surrogate_pair.push_back(0xdf00);
37 surrogate_pair.push_back('z');
38
39 // Will get converted to the invalid char + 's': EF BF BD 's'.
40 string16 unterminated_surrogate;
41 unterminated_surrogate.push_back(0xd800);
42 unterminated_surrogate.push_back('s');
43
44 std::ostringstream stream;
45 stream << initial_surrogate << "," << final_surrogate << ","
46 << surrogate_pair << "," << unterminated_surrogate;
47
48 EXPECT_STREQ("\xef\xbf\xbd,\xef\xbf\xbd,\xf0\x90\x8c\x80z,\xef\xbf\xbds",
49 stream.str().c_str());
50 }
51 }
52
53 #endif
54