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Diffstat (limited to 'gcc-4.9/libstdc++-v3/testsuite/20_util/reference_wrapper/typedefs.cc')
-rw-r--r-- | gcc-4.9/libstdc++-v3/testsuite/20_util/reference_wrapper/typedefs.cc | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/gcc-4.9/libstdc++-v3/testsuite/20_util/reference_wrapper/typedefs.cc b/gcc-4.9/libstdc++-v3/testsuite/20_util/reference_wrapper/typedefs.cc new file mode 100644 index 000000000..6c3b9f59b --- /dev/null +++ b/gcc-4.9/libstdc++-v3/testsuite/20_util/reference_wrapper/typedefs.cc @@ -0,0 +1,59 @@ +// { dg-do compile } +// { dg-options "-std=gnu++0x" } + +// Copyright (C) 2008-2014 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/>. + +#include <functional> +#include <type_traits> + +struct X {}; + +struct int_result_type { typedef int result_type; }; + +struct derives_unary : std::unary_function<int, int> {}; + +struct derives_binary : std::binary_function<int, float, int> {}; + +struct derives_unary_binary + : std::unary_function<int, int>, + std::binary_function<int, float, int> +{ + typedef int result_type; +}; + +void test01() +{ + using std::reference_wrapper; + using std::is_same; + + // Check result_type typedef + static_assert( is_same<reference_wrapper<int_result_type>::result_type, int>::value, "has result_type" ); + static_assert( is_same<reference_wrapper<derives_unary>::result_type, int>::value, "has result_type" ); + static_assert( is_same<reference_wrapper<derives_binary>::result_type, int>::value, "has result_type" ); + static_assert( is_same<reference_wrapper<derives_unary_binary>::result_type, int>::value, "has result_type" ); + static_assert( is_same<reference_wrapper<int(void)>::result_type, int>::value, "has result_type" ); + static_assert( is_same<reference_wrapper<int(*)(void)>::result_type, int>::value, "has result_type" ); + static_assert( is_same<reference_wrapper<int (::X::*)()>::result_type, int>::value, "has result_type" ); + static_assert( is_same<reference_wrapper<int (::X::*)(float)>::result_type, int>::value, "has result_type" ); +} + +int main() +{ + test01(); + return 0; +} |