2000-04-21 22:33:34 +02:00
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// 2000-03-29 sss/bkoz
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2004-03-04 19:11:08 +01:00
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// Copyright (C) 2000, 2003, 2004 Free Software Foundation, Inc.
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2000-04-21 22:33:34 +02:00
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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 2, or (at your option)
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// any later version.
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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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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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#include <algorithm>
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2003-02-05 00:42:21 +01:00
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#include <functional>
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2001-08-07 05:38:33 +02:00
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#include <testsuite_hooks.h>
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2000-04-21 22:33:34 +02:00
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void test01()
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{
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2003-09-23 22:03:30 +02:00
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bool test __attribute__((unused)) = true;
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2003-02-05 00:42:21 +01:00
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2000-04-21 22:33:34 +02:00
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const int& x = std::max(1, 2);
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2003-02-05 00:42:21 +01:00
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const int& y = std::max(4, 3);
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2000-08-14 21:59:26 +02:00
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VERIFY( x == 2 );
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VERIFY( y == 4 );
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2000-04-21 22:33:34 +02:00
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2003-02-05 00:42:21 +01:00
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const int& xc = std::max(1, 2, std::greater<int>());
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const int& yc = std::max(4, 3, std::greater<int>());
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VERIFY( xc == 1 );
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VERIFY( yc == 3 );
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2000-04-21 22:33:34 +02:00
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const int& z = std::min(1, 2);
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2003-02-05 00:42:21 +01:00
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const int& w = std::min(4, 3);
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2000-08-14 21:59:26 +02:00
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VERIFY( z == 1 );
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VERIFY( w == 3 );
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2000-04-21 22:33:34 +02:00
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2003-02-05 00:42:21 +01:00
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const int& zc = std::min(1, 2, std::greater<int>());
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const int& wc = std::min(4, 3, std::greater<int>());
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VERIFY( zc == 2 );
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VERIFY( wc == 4 );
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}
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template<typename T>
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struct A { static const T a; };
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template<typename T>
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const T A<T>::a = T(3);
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2003-04-11 19:25:20 +02:00
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#if !__GXX_WEAK__
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// Explicitly instantiate for systems with no COMDAT or weak support.
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template int A<int>::a;
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template int A<unsigned int>::a;
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template int A<short>::a;
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template int A<unsigned short>::a;
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template int A<long>::a;
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template int A<unsigned long>::a;
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template int A<long long>::a;
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template int A<unsigned long long>::a;
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template int A<char>::a;
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template int A<signed char>::a;
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template int A<unsigned char>::a;
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template int A<wchar_t>::a;
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template int A<float>::a;
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template int A<double>::a;
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template int A<long double>::a;
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#endif
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2003-02-05 00:42:21 +01:00
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void test02()
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{
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2003-09-23 22:03:30 +02:00
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bool test __attribute__((unused)) = true;
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2003-02-05 00:42:21 +01:00
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VERIFY( 2 == std::min(A<int>::a, 2) );
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VERIFY( 3 == std::min(A<int>::a, 4) );
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VERIFY( 2u == std::min(A<unsigned int>::a, 2u) );
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VERIFY( 3u == std::min(A<unsigned int>::a, 4u) );
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VERIFY( 2l == std::min(A<long>::a, 2l) );
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VERIFY( 3l == std::min(A<long>::a, 4l) );
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VERIFY( 2ul == std::min(A<unsigned long>::a, 2ul) );
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VERIFY( 3ul == std::min(A<unsigned long>::a, 4ul) );
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2003-07-05 06:05:45 +02:00
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#ifdef _GLIBCXX_USE_LONG_LONG
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VERIFY( 2ll == std::min(A<long long>::a, 2ll) );
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VERIFY( 3ll == std::min(A<long long>::a, 4ll) );
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VERIFY( 2ull == std::min(A<unsigned long long>::a, 2ull) );
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VERIFY( 3ull == std::min(A<unsigned long long>::a, 4ull) );
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#endif
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2003-02-05 00:42:21 +01:00
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VERIFY( short(2) == std::min(A<short>::a, short(2)) );
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VERIFY( short(3) == std::min(A<short>::a, short(4)) );
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VERIFY( (unsigned short)2 == std::min(A<unsigned short>::a, (unsigned short)2) );
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VERIFY( (unsigned short)3 == std::min(A<unsigned short>::a, (unsigned short)4) );
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VERIFY( (char)2 == std::min(A<char>::a, (char)2) );
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VERIFY( (char)3 == std::min(A<char>::a, (char)4) );
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VERIFY( (signed char)2 == std::min(A<signed char>::a, (signed char)2) );
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VERIFY( (signed char)3 == std::min(A<signed char>::a, (signed char)4) );
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VERIFY( (unsigned char)2 == std::min(A<unsigned char>::a, (unsigned char)2) );
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VERIFY( (unsigned char)3 == std::min(A<unsigned char>::a, (unsigned char)4) );
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VERIFY( (wchar_t)2 == std::min(A<wchar_t>::a, (wchar_t)2) );
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VERIFY( (wchar_t)3 == std::min(A<wchar_t>::a, (wchar_t)4) );
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VERIFY( 2.0 == std::min(A<double>::a, 2.0) );
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VERIFY( 3.0 == std::min(A<double>::a, 4.0) );
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VERIFY( float(2) == std::min(A<float>::a, float(2)) );
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VERIFY( float(3) == std::min(A<float>::a, float(4)) );
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VERIFY( (long double)2 == std::min(A<long double>::a, (long double)2) );
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VERIFY( (long double)3 == std::min(A<long double>::a, (long double)4) );
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VERIFY( 3 == std::max(A<int>::a, 2) );
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VERIFY( 4 == std::max(A<int>::a, 4) );
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VERIFY( 3u == std::max(A<unsigned int>::a, 2u) );
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VERIFY( 4u == std::max(A<unsigned int>::a, 4u) );
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VERIFY( 3l == std::max(A<long>::a, 2l) );
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VERIFY( 4l == std::max(A<long>::a, 4l) );
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VERIFY( 3ul == std::max(A<unsigned long>::a, 2ul) );
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VERIFY( 4ul == std::max(A<unsigned long>::a, 4ul) );
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2003-07-05 06:05:45 +02:00
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#ifdef _GLIBCXX_USE_LONG_LONG
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2003-02-05 00:42:21 +01:00
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VERIFY( 3ll == std::max(A<long long>::a, 2ll) );
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VERIFY( 4ll == std::max(A<long long>::a, 4ll) );
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VERIFY( 3ull == std::max(A<unsigned long long>::a, 2ull) );
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VERIFY( 4ull == std::max(A<unsigned long long>::a, 4ull) );
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#endif
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VERIFY( short(3) == std::max(A<short>::a, short(2)) );
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VERIFY( short(4) == std::max(A<short>::a, short(4)) );
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VERIFY( (unsigned short)3 == std::max(A<unsigned short>::a, (unsigned short)2) );
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VERIFY( (unsigned short)4 == std::max(A<unsigned short>::a, (unsigned short)4) );
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VERIFY( (char)3 == std::max(A<char>::a, (char)2) );
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VERIFY( (char)4 == std::max(A<char>::a, (char)4) );
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VERIFY( (signed char)3 == std::max(A<signed char>::a, (signed char)2) );
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VERIFY( (signed char)4 == std::max(A<signed char>::a, (signed char)4) );
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VERIFY( (unsigned char)3 == std::max(A<unsigned char>::a, (unsigned char)2) );
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VERIFY( (unsigned char)4 == std::max(A<unsigned char>::a, (unsigned char)4) );
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VERIFY( (wchar_t)3 == std::max(A<wchar_t>::a, (wchar_t)2) );
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VERIFY( (wchar_t)4 == std::max(A<wchar_t>::a, (wchar_t)4) );
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2000-04-21 22:33:34 +02:00
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}
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int main()
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{
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test01();
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2003-02-05 00:42:21 +01:00
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test02();
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2000-04-21 22:33:34 +02:00
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return 0;
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}
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