| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <sstream> |
| |
| // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > |
| // class basic_stringstream |
| |
| // explicit basic_stringstream(ios_base::openmode which = ios_base::out | ios_base::in); // before C++20 |
| // basic_stringstream() : basic_stringstream(ios_base::out | ios_base::in) {} // C++20 |
| // explicit basic_stringstream(ios_base::openmode which); // C++20 |
| |
| #include <sstream> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #if TEST_STD_VER >= 11 |
| #include "test_convertible.h" |
| |
| template <typename S> |
| void test() { |
| static_assert(test_convertible<S>(), ""); |
| static_assert(!test_convertible<S, std::ios_base::openmode>(), ""); |
| } |
| #endif |
| |
| int main(int, char**) |
| { |
| { |
| std::stringstream ss; |
| assert(ss.rdbuf() != 0); |
| assert(ss.good()); |
| assert(ss.str() == ""); |
| } |
| { |
| std::stringstream ss(std::ios_base::in); |
| assert(ss.rdbuf() != 0); |
| assert(ss.good()); |
| assert(ss.str() == ""); |
| } |
| #ifndef TEST_HAS_NO_WIDE_CHARACTERS |
| { |
| std::wstringstream ss; |
| assert(ss.rdbuf() != 0); |
| assert(ss.good()); |
| assert(ss.str() == L""); |
| } |
| { |
| std::wstringstream ss(std::ios_base::in); |
| assert(ss.rdbuf() != 0); |
| assert(ss.good()); |
| assert(ss.str() == L""); |
| } |
| #endif |
| |
| #if TEST_STD_VER >= 11 |
| test<std::stringstream>(); |
| # ifndef TEST_HAS_NO_WIDE_CHARACTERS |
| test<std::wstringstream>(); |
| # endif |
| #endif |
| |
| return 0; |
| } |