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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libstdc++-v3/testsuite/23_containers/forward_list/operations/6.cc
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+// { 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/>.
+
+// 23.2.3.n forward_list xxx [lib.forward_list.xxx]
+
+#include <forward_list>
+#include <testsuite_hooks.h>
+
+bool test __attribute__((unused)) = true;
+
+// Comparison functor.
+template<typename Num>
+ class Comp
+ {
+ public:
+ Comp(const Num & num)
+ {
+ n = num;
+ }
+ bool operator()(const Num i, const Num j)
+ {
+ return (n * i) < (n * j);
+ }
+ private:
+ Num n;
+ };
+
+// This test verifies the following:
+//
+void
+test01()
+{
+ const unsigned int n = 13;
+ int order[][n] = {
+ { 0,1,2,3,4,5,6,7,8,9,10,11,12 },
+ { 6,2,8,4,11,1,12,7,3,9,5,0,10 },
+ { 12,11,10,9,8,7,6,5,4,3,2,1,0 },
+ };
+ std::forward_list<int> sorted(order[0], order[0] + n);
+
+ for (unsigned int i = 0; i < sizeof(order)/sizeof(*order); ++i)
+ {
+ std::forward_list<int> head(order[i], order[i] + n);
+
+ head.sort();
+
+ VERIFY(head == sorted);
+ }
+
+ std::forward_list<int> reversed(order[2], order[2] + n);
+ for (unsigned int i = 0; i < sizeof(order)/sizeof(*order); ++i)
+ {
+ std::forward_list<int> head(order[i], order[i] + n);
+
+ Comp<int> comp(-1);
+ head.sort( comp );
+
+ VERIFY(head == reversed);
+ }
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}