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