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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/strings/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. | |
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 | |
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