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 // template <class charT, class traits, class Allocator> 16 // void swap(basic_stringbuf<charT, traits, Allocator>& x, 17 // basic_stringbuf<charT, traits, Allocator>& y); 18 19 #include <sstream> 20 #include <cassert> 21 22 int main() 23 { 24 { 25 std::stringbuf buf1("testing"); 26 std::stringbuf buf; 27 swap(buf, buf1); 28 assert(buf.str() == "testing"); 29 assert(buf1.str() == ""); 30 } 31 { 32 std::stringbuf buf1("testing", std::ios_base::in); 33 std::stringbuf buf; 34 swap(buf, buf1); 35 assert(buf.str() == "testing"); 36 assert(buf1.str() == ""); 37 } 38 { 39 std::stringbuf buf1("testing", std::ios_base::out); 40 std::stringbuf buf; 41 swap(buf, buf1); 42 assert(buf.str() == "testing"); 43 assert(buf1.str() == ""); 44 } 45 { 46 std::wstringbuf buf1(L"testing"); 47 std::wstringbuf buf; 48 swap(buf, buf1); 49 assert(buf.str() == L"testing"); 50 assert(buf1.str() == L""); 51 } 52 { 53 std::wstringbuf buf1(L"testing", std::ios_base::in); 54 std::wstringbuf buf; 55 swap(buf, buf1); 56 assert(buf.str() == L"testing"); 57 assert(buf1.str() == L""); 58 } 59 { 60 std::wstringbuf buf1(L"testing", std::ios_base::out); 61 std::wstringbuf buf; 62 swap(buf, buf1); 63 assert(buf.str() == L"testing"); 64 assert(buf1.str() == L""); 65 } 66 } 67
