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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 <sstream> | |
| 6 | |
| 7 #include "base/strings/string16.h" | |
| 8 | |
| 9 #include "base/strings/utf_string_conversions.h" | |
| 10 #include "testing/gtest/include/gtest/gtest.h" | |
| 11 | |
| 12 namespace base { | |
| 13 | |
| 14 #if defined(WCHAR_T_IS_UTF32) | |
| 15 | |
| 16 // We define a custom operator<< for string16 so we can use it with logging. | |
| 17 // This tests that conversion. | |
| 18 TEST(String16Test, OutputStream) { | |
| 19 // Basic stream test. | |
| 20 { | |
| 21 std::ostringstream stream; | |
| 22 stream << "Empty '" << string16() << "' standard '" | |
| 23 << string16(ASCIIToUTF16("Hello, world")) << "'"; | |
| 24 EXPECT_STREQ("Empty '' standard 'Hello, world'", | |
| 25 stream.str().c_str()); | |
| 26 } | |
| 27 | |
| 28 // Interesting edge cases. | |
| 29 { | |
| 30 // These should each get converted to the invalid character: EF BF BD. | |
| 31 string16 initial_surrogate; | |
| 32 initial_surrogate.push_back(0xd800); | |
| 33 string16 final_surrogate; | |
| 34 final_surrogate.push_back(0xdc00); | |
| 35 | |
| 36 // Old italic A = U+10300, will get converted to: F0 90 8C 80 'z'. | |
| 37 string16 surrogate_pair; | |
| 38 surrogate_pair.push_back(0xd800); | |
| 39 surrogate_pair.push_back(0xdf00); | |
| 40 surrogate_pair.push_back('z'); | |
| 41 | |
| 42 // Will get converted to the invalid char + 's': EF BF BD 's'. | |
| 43 string16 unterminated_surrogate; | |
| 44 unterminated_surrogate.push_back(0xd800); | |
| 45 unterminated_surrogate.push_back('s'); | |
| 46 | |
| 47 std::ostringstream stream; | |
| 48 stream << initial_surrogate << "," << final_surrogate << "," | |
| 49 << surrogate_pair << "," << unterminated_surrogate; | |
| 50 | |
| 51 EXPECT_STREQ("\xef\xbf\xbd,\xef\xbf\xbd,\xf0\x90\x8c\x80z,\xef\xbf\xbds", | |
| 52 stream.str().c_str()); | |
| 53 } | |
| 54 } | |
| 55 | |
| 56 #endif | |
| 57 | |
| 58 } // namespace base | |
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