diff options
Diffstat (limited to 'libstdc++-v3/testsuite/20_util/declval')
| -rw-r--r-- | libstdc++-v3/testsuite/20_util/declval/requirements/1.cc | 49 | ||||
| -rw-r--r-- | libstdc++-v3/testsuite/20_util/declval/requirements/1_neg.cc | 29 |
2 files changed, 78 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/20_util/declval/requirements/1.cc b/libstdc++-v3/testsuite/20_util/declval/requirements/1.cc new file mode 100644 index 000000000..204d4ebb6 --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/declval/requirements/1.cc @@ -0,0 +1,49 @@ +// { dg-options "-std=gnu++0x" } +// { dg-do compile } +// 2009-11-12 Paolo Carlini <paolo.carlini@oracle.com> +// +// Copyright (C) 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 <utility> + +template<typename From, typename To> + struct is_convertible_mini + { + private: + typedef char one; + typedef struct { char arr[2]; } two; + + static one test(To); + static two test(...); + + public: + static const bool value = sizeof(test(std::declval<From>())) == 1; +}; + +template<typename From, typename To> + const bool is_convertible_mini<From, To>::value; + +void test01() +{ + static_assert(is_convertible_mini<int*, const int*>::value, "#1"); + static_assert(!is_convertible_mini<const void*, void*>::value, "#2"); + static_assert(is_convertible_mini<float, double>::value, "#3"); + static_assert(!is_convertible_mini<bool, int*>::value, "#4"); + static_assert(is_convertible_mini<int(&)(int), int(*)(int)>::value, "#5"); + static_assert(!is_convertible_mini<void*, int*>::value, "#6"); +} diff --git a/libstdc++-v3/testsuite/20_util/declval/requirements/1_neg.cc b/libstdc++-v3/testsuite/20_util/declval/requirements/1_neg.cc new file mode 100644 index 000000000..9113c031b --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/declval/requirements/1_neg.cc @@ -0,0 +1,29 @@ +// { dg-options "-std=gnu++0x" } +// { dg-do compile } +// 2009-11-12 Paolo Carlini <paolo.carlini@oracle.com> +// +// Copyright (C) 2009, 2010, 2011 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-error "static assertion failed" "" { target *-*-* } 1134 } + +#include <utility> + +void test01() +{ + std::declval<int>(); // { dg-error "instantiated from here" } +} |