| // Copyright (C) 2020-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // { dg-options "-std=gnu++2a" } |
| // { dg-additional-options "-pthread" { target pthread } } |
| // { dg-do run { target c++2a } } |
| // { dg-require-effective-target cxx11-abi } |
| |
| #include <sstream> |
| #include <string_view> |
| #include <syncstream> |
| |
| #include <testsuite_allocator.h> |
| #include <testsuite_hooks.h> |
| |
| void |
| test01() // construction |
| { |
| { |
| std::syncbuf s1; |
| VERIFY( s1.get_wrapped() == nullptr ); |
| |
| std::stringbuf b; |
| std::syncbuf s2(&b); |
| VERIFY( s2.get_wrapped() == &b ); |
| } |
| |
| { |
| using alloc_type = __gnu_test::uneq_allocator<char>; |
| using sbuf_t = std::basic_syncbuf<char, std::char_traits<char>, |
| alloc_type>; |
| |
| sbuf_t b; |
| |
| alloc_type aa; |
| sbuf_t s1(&b, aa); |
| VERIFY( aa == s1.get_allocator() ); |
| |
| alloc_type aaa(42); |
| sbuf_t s2(&b, aaa); |
| VERIFY( aaa == s2.get_allocator() ); |
| |
| VERIFY( s1.get_allocator() != s2.get_allocator() ); |
| } |
| } |
| |
| void |
| test02() // moving |
| { |
| { |
| std::stringbuf b; |
| std::syncbuf s1(&b); |
| |
| std::syncbuf s2(std::move(s1)); |
| |
| VERIFY( s1.get_wrapped() == nullptr ); |
| VERIFY( s2.get_wrapped() == &b ); |
| } |
| |
| { |
| std::stringbuf b; |
| std::syncbuf s1(&b); |
| |
| std::syncbuf s2; |
| s2 = std::move(s1); |
| |
| VERIFY( s1.get_wrapped() == nullptr ); |
| VERIFY( s2.get_wrapped() == &b ); |
| } |
| } |
| |
| void |
| test03() // swaping |
| { |
| std::stringbuf b; |
| std::syncbuf s1(&b); |
| |
| std::syncbuf s2; |
| std::swap(s1, s2); |
| |
| VERIFY( s1.get_wrapped() == nullptr ); |
| VERIFY( s2.get_wrapped() == &b ); |
| } |
| |
| void |
| test04() // emitting |
| { |
| { |
| std::stringbuf b; |
| std::syncbuf s(&b); |
| |
| const std::string_view txt("This is a test"); |
| s.sputn(txt.data(), txt.size()); |
| |
| VERIFY( b.str() != txt ); |
| VERIFY( s.pubsync() == 0 ); |
| VERIFY( b.str() != txt ); |
| |
| VERIFY( s.emit() ); |
| VERIFY( b.str() == txt ); |
| } |
| |
| { |
| std::stringbuf b; |
| std::syncbuf s(&b); |
| s.set_emit_on_sync(true); |
| |
| const std::string_view txt("This is a test"); |
| s.sputn(txt.data(), txt.size()); |
| |
| VERIFY( s.pubsync() == 0 ); |
| VERIFY( b.str() == txt ); |
| } |
| } |
| |
| int main() |
| { |
| test01(); |
| test02(); |
| test03(); |
| test04(); |
| return 0; |
| } |