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. 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