| 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-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // <sstream> |
| 10 | |
| 11 | // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > |
| 12 | // class basic_stringstream |
| 13 | |
| 14 | // explicit basic_stringstream(ios_base::openmode which = ios_base::out | ios_base::in); // before C++20 |
| 15 | // basic_stringstream() : basic_stringstream(ios_base::out | ios_base::in) {} // C++20 |
| 16 | // explicit basic_stringstream(ios_base::openmode which); // C++20 |
| 17 | |
| 18 | // XFAIL: FROZEN-CXX03-HEADERS-FIXME |
| 19 | |
| 20 | #include <sstream> |
| 21 | #include <cassert> |
| 22 | |
| 23 | #include "test_macros.h" |
| 24 | #include "operator_hijacker.h" |
| 25 | #if TEST_STD_VER >= 11 |
| 26 | #include "test_convertible.h" |
| 27 | |
| 28 | template <typename S> |
| 29 | void test() { |
| 30 | static_assert(test_convertible<S>(), "" ); |
| 31 | static_assert(!test_convertible<S, std::ios_base::openmode>(), "" ); |
| 32 | } |
| 33 | #endif |
| 34 | |
| 35 | int main(int, char**) |
| 36 | { |
| 37 | { |
| 38 | std::stringstream ss; |
| 39 | assert(ss.rdbuf() != nullptr); |
| 40 | assert(ss.good()); |
| 41 | assert(ss.str() == "" ); |
| 42 | } |
| 43 | { |
| 44 | std::basic_stringstream<char, std::char_traits<char>, operator_hijacker_allocator<char> > ss; |
| 45 | assert(ss.rdbuf() != nullptr); |
| 46 | assert(ss.good()); |
| 47 | assert(ss.str() == "" ); |
| 48 | } |
| 49 | { |
| 50 | std::stringstream ss(std::ios_base::in); |
| 51 | assert(ss.rdbuf() != nullptr); |
| 52 | assert(ss.good()); |
| 53 | assert(ss.str() == "" ); |
| 54 | } |
| 55 | { |
| 56 | std::basic_stringstream<char, std::char_traits<char>, operator_hijacker_allocator<char> > ss(std::ios_base::in); |
| 57 | assert(ss.rdbuf() != nullptr); |
| 58 | assert(ss.good()); |
| 59 | assert(ss.str() == "" ); |
| 60 | } |
| 61 | #ifndef TEST_HAS_NO_WIDE_CHARACTERS |
| 62 | { |
| 63 | std::wstringstream ss; |
| 64 | assert(ss.rdbuf() != nullptr); |
| 65 | assert(ss.good()); |
| 66 | assert(ss.str() == L"" ); |
| 67 | } |
| 68 | { |
| 69 | std::wstringstream ss(std::ios_base::in); |
| 70 | assert(ss.rdbuf() != nullptr); |
| 71 | assert(ss.good()); |
| 72 | assert(ss.str() == L"" ); |
| 73 | } |
| 74 | #endif |
| 75 | |
| 76 | #if TEST_STD_VER >= 11 |
| 77 | test<std::stringstream>(); |
| 78 | # ifndef TEST_HAS_NO_WIDE_CHARACTERS |
| 79 | test<std::wstringstream>(); |
| 80 | # endif |
| 81 | #endif |
| 82 | |
| 83 | return 0; |
| 84 | } |
| 85 | |