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