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 59
