1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <sstream> 11 12 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > 13 // class basic_stringbuf 14 15 // void swap(basic_stringbuf& rhs); 16 17 #include <sstream> 18 #include <cassert> 19 20 int main() 21 { 22 { 23 std::stringbuf buf1("testing"); 24 std::stringbuf buf; 25 buf.swap(buf1); 26 assert(buf.str() == "testing"); 27 assert(buf1.str() == ""); 28 } 29 { 30 std::stringbuf buf1("testing", std::ios_base::in); 31 std::stringbuf buf; 32 buf.swap(buf1); 33 assert(buf.str() == "testing"); 34 assert(buf1.str() == ""); 35 } 36 { 37 std::stringbuf buf1("testing", std::ios_base::out); 38 std::stringbuf buf; 39 buf.swap(buf1); 40 assert(buf.str() == "testing"); 41 assert(buf1.str() == ""); 42 } 43 { 44 std::wstringbuf buf1(L"testing"); 45 std::wstringbuf buf; 46 buf.swap(buf1); 47 assert(buf.str() == L"testing"); 48 assert(buf1.str() == L""); 49 } 50 { 51 std::wstringbuf buf1(L"testing", std::ios_base::in); 52 std::wstringbuf buf; 53 buf.swap(buf1); 54 assert(buf.str() == L"testing"); 55 assert(buf1.str() == L""); 56 } 57 { 58 std::wstringbuf buf1(L"testing", std::ios_base::out); 59 std::wstringbuf buf; 60 buf.swap(buf1); 61 assert(buf.str() == L"testing"); 62 assert(buf1.str() == L""); 63 } 64 } 65
