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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/testsuite/20_util/reference_wrapper/typedefs.cc')
-rw-r--r-- | gcc-4.4.3/libstdc++-v3/testsuite/20_util/reference_wrapper/typedefs.cc | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/testsuite/20_util/reference_wrapper/typedefs.cc b/gcc-4.4.3/libstdc++-v3/testsuite/20_util/reference_wrapper/typedefs.cc new file mode 100644 index 000000000..56ee29e1a --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/testsuite/20_util/reference_wrapper/typedefs.cc @@ -0,0 +1,87 @@ +// { dg-options "-std=gnu++0x" } + +// Copyright (C) 2008, 2009 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> +#include <testsuite_hooks.h> +#include <testsuite_tr1.h> + +using namespace __gnu_test; + +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() +{ + bool test __attribute__((unused)) = true; + + using std::reference_wrapper; + using std::is_same; + using std::is_convertible; + using std::unary_function; + using std::binary_function; + + // Check result_type typedef + VERIFY((is_same<reference_wrapper<int_result_type>::result_type, int>::value)); + VERIFY((is_same<reference_wrapper<derives_unary>::result_type, int>::value)); + VERIFY((is_same<reference_wrapper<derives_binary>::result_type, int>::value)); + VERIFY((is_same<reference_wrapper<derives_unary_binary>::result_type, int>::value)); + VERIFY((is_same<reference_wrapper<int(void)>::result_type, int>::value)); + VERIFY((is_same<reference_wrapper<int(*)(void)>::result_type, int>::value)); + VERIFY((is_same<reference_wrapper<int (::X::*)()>::result_type, int>::value)); + VERIFY((is_same<reference_wrapper<int (::X::*)(float)>::result_type, int>::value)); + + // Check derivation from unary_function + VERIFY((is_convertible<reference_wrapper<derives_unary>*, unary_function<int, int>*>::value)); + VERIFY((is_convertible<reference_wrapper<derives_unary_binary>*, unary_function<int, int>*>::value)); + VERIFY((is_convertible<reference_wrapper<int(int)>*, unary_function<int, int>*>::value)); + VERIFY((is_convertible<reference_wrapper<int(*)(int)>*, unary_function<int, int>*>::value)); + VERIFY((is_convertible<reference_wrapper<int (::X::*)()>*, unary_function< ::X*, int>*>::value)); + VERIFY((is_convertible<reference_wrapper<int (::X::*)() const>*, unary_function<const ::X*, int>*>::value)); + VERIFY((is_convertible<reference_wrapper<int (::X::*)() volatile>*, unary_function<volatile ::X*, int>*>::value)); + VERIFY((is_convertible<reference_wrapper<int (::X::*)() const volatile>*, unary_function<const volatile ::X*, int>*>::value)); + + // Check derivation from binary_function + VERIFY((is_convertible<reference_wrapper<derives_binary>*, binary_function<int, float, int>*>::value)); + VERIFY((is_convertible<reference_wrapper<derives_unary_binary>*, binary_function<int, float, int>*>::value)); + VERIFY((is_convertible<reference_wrapper<int(int, float)>*, binary_function<int, float, int>*>::value)); + VERIFY((is_convertible<reference_wrapper<int(*)(int, float)>*, binary_function<int, float, int>*>::value)); + VERIFY((is_convertible<reference_wrapper<int (::X::*)(float)>*, binary_function< ::X*, float, int>*>::value)); + VERIFY((is_convertible<reference_wrapper<int (::X::*)(float) const>*, binary_function<const ::X*, float, int>*>::value)); + VERIFY((is_convertible<reference_wrapper<int (::X::*)(float) volatile>*, binary_function<volatile ::X*, float, int>*>::value)); + VERIFY((is_convertible<reference_wrapper<int (::X::*)(float) const volatile>*, binary_function<const volatile ::X*, float, int>*>::value)); +} + +int main() +{ + test01(); + return 0; +} |