58 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <sstream>10 11// template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >12// class basic_ostringstream13 14// void str(const basic_string<charT,traits,Allocator>& s);15 16#include <sstream>17#include <cassert>18 19#include "test_macros.h"20 21int main(int, char**)22{23 {24 std::ostringstream ss(" 123 456");25 assert(ss.rdbuf() != 0);26 assert(ss.good());27 assert(ss.str() == " 123 456");28 int i = 0;29 ss << i;30 assert(ss.str() == "0123 456");31 ss << 456;32 assert(ss.str() == "0456 456");33 ss.str(" 789");34 assert(ss.str() == " 789");35 ss << "abc";36 assert(ss.str() == "abc9");37 }38#ifndef TEST_HAS_NO_WIDE_CHARACTERS39 {40 std::wostringstream ss(L" 123 456");41 assert(ss.rdbuf() != 0);42 assert(ss.good());43 assert(ss.str() == L" 123 456");44 int i = 0;45 ss << i;46 assert(ss.str() == L"0123 456");47 ss << 456;48 assert(ss.str() == L"0456 456");49 ss.str(L" 789");50 assert(ss.str() == L" 789");51 ss << L"abc";52 assert(ss.str() == L"abc9");53 }54#endif55 56 return 0;57}58