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45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
// { dg-options "-std=gnu++0x" }
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// { dg-do compile }
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//
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// Copyright (C) 2011-2014 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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//
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// NB: This file is for testing type_traits with NO OTHER INCLUDES.
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#include <type_traits>
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void test01()
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{
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using namespace std;
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enum E1 : unsigned { };
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enum E2 : char { };
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enum class E3 { };
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enum class E4 : unsigned char { c = 1 };
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enum class E5 : int { a = -1, b = 1 };
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enum class E6 : long { c = __LONG_MAX__ };
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static_assert(is_same<underlying_type<E1>::type, unsigned>::value, "Error");
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static_assert(is_same<underlying_type<E2>::type, char>::value, "Error");
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static_assert(is_same<underlying_type<E3>::type, int>::value, "Error");
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static_assert(is_same<underlying_type<E4>::type,
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unsigned char>::value, "Error");
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static_assert(is_same<underlying_type<E5>::type, int>::value, "Error");
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static_assert(is_same<underlying_type<E6>::type, long>::value, "Error");
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}
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