1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <sstream> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// class basic_stringstream 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 15256813f4e7915d64776a4edd5f4765d893b9f062Howard Hinnant// explicit basic_stringstream(const basic_string<charT,traits,Allocator>& str, 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// ios_base::openmode which = ios_base::out|ios_base::in); 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <sstream> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 21b3d6031a543a52d53cf4f4bbfaa5ee53d473a5efMarshall Clowtemplate<typename T> 22b3d6031a543a52d53cf4f4bbfaa5ee53d473a5efMarshall Clowstruct NoDefaultAllocator : std::allocator<T> 23b3d6031a543a52d53cf4f4bbfaa5ee53d473a5efMarshall Clow{ 24b3d6031a543a52d53cf4f4bbfaa5ee53d473a5efMarshall Clow template<typename U> struct rebind { using other = NoDefaultAllocator<U>; }; 25db84e0edae45128c49583ee67bc4e0065de04653Marshall Clow NoDefaultAllocator(int id_) : id(id_) { } 26b3d6031a543a52d53cf4f4bbfaa5ee53d473a5efMarshall Clow template<typename U> NoDefaultAllocator(const NoDefaultAllocator<U>& a) : id(a.id) { } 27b3d6031a543a52d53cf4f4bbfaa5ee53d473a5efMarshall Clow int id; 28b3d6031a543a52d53cf4f4bbfaa5ee53d473a5efMarshall Clow}; 29b3d6031a543a52d53cf4f4bbfaa5ee53d473a5efMarshall Clow 30b3d6031a543a52d53cf4f4bbfaa5ee53d473a5efMarshall Clow 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::stringstream ss(" 123 456 "); 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ss.rdbuf() != 0); 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ss.good()); 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ss.str() == " 123 456 "); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant int i = 0; 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ss >> i; 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i == 123); 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ss >> i; 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i == 456); 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ss << i << ' ' << 123; 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ss.str() == "456 1236 "); 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::wstringstream ss(L" 123 456 "); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ss.rdbuf() != 0); 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ss.good()); 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ss.str() == L" 123 456 "); 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant int i = 0; 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ss >> i; 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i == 123); 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ss >> i; 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i == 456); 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ss << i << ' ' << 123; 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ss.str() == L"456 1236 "); 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 59b3d6031a543a52d53cf4f4bbfaa5ee53d473a5efMarshall Clow { // This is https://bugs.llvm.org/show_bug.cgi?id=33727 601a35e84a5c684d24bcf882c063d3834baf1126a5Stephan T. Lavavej typedef std::basic_string <char, std::char_traits<char>, NoDefaultAllocator<char> > S; 611a35e84a5c684d24bcf882c063d3834baf1126a5Stephan T. Lavavej typedef std::basic_stringbuf<char, std::char_traits<char>, NoDefaultAllocator<char> > SB; 62b3d6031a543a52d53cf4f4bbfaa5ee53d473a5efMarshall Clow 631a35e84a5c684d24bcf882c063d3834baf1126a5Stephan T. Lavavej S s(NoDefaultAllocator<char>(1)); 641a35e84a5c684d24bcf882c063d3834baf1126a5Stephan T. Lavavej SB sb(s); 651a35e84a5c684d24bcf882c063d3834baf1126a5Stephan T. Lavavej // This test is not required by the standard, but *where else* could it get the allocator? 661a35e84a5c684d24bcf882c063d3834baf1126a5Stephan T. Lavavej assert(sb.str().get_allocator() == s.get_allocator()); 67b3d6031a543a52d53cf4f4bbfaa5ee53d473a5efMarshall Clow } 68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 69