Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 23_containers / deque / modifiers / moveable.cc

diff --git a/libstdc++-v3/testsuite/23_containers/deque/modifiers/moveable.cc b/libstdc++-v3/testsuite/23_containers/deque/modifiers/moveable.cc
new file mode 100644 (file)
index 0000000..6519600
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/deque/modifiers/moveable.cc
@@ -0,0 +1,134 @@
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2005, 2007, 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 <deque>
+#include <testsuite_hooks.h>
+#include <testsuite_rvalref.h>
+
+using namespace __gnu_test;
+
+// Test deque::push_back makes no unneeded copies.
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::deque<copycounter> a;
+  copycounter c(1);
+  copycounter::copycount = 0;
+  for(int i = 0; i < 1000; ++i)
+    a.push_back(c);
+  VERIFY(copycounter::copycount == 1000);
+}
+
+// Test deque::push_front makes no unneeded copies.
+void
+test02()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::deque<copycounter> a;
+  copycounter c(1);
+  copycounter::copycount = 0;
+  for(int i = 0; i < 1000; ++i)
+    a.push_front(c);
+  VERIFY(copycounter::copycount == 1000);
+}
+
+// Test deque::insert makes no unneeded copies.
+void
+test03()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::deque<copycounter> a(1000);
+  copycounter c(1);
+  copycounter::copycount = 0;
+  a.insert(a.begin(),c);
+  a.insert(a.end(),c);
+  for(int i = 0; i < 500; ++i)
+    a.insert(a.begin() + i, c);
+  VERIFY(copycounter::copycount == 502);
+}
+
+// Test deque::insert(iterator, count, value) makes no unneeded copies
+// when it has to also reallocate the deque's internal buffer.
+void
+test04()
+{
+  bool test __attribute__((unused)) = true;
+
+  copycounter c(1);
+  std::deque<copycounter> a(10, c);
+  copycounter::copycount = 0;
+  a.insert(a.begin(), 20, c);
+  VERIFY(copycounter::copycount == 20);
+  a.insert(a.end(), 50, c);
+  VERIFY(copycounter::copycount == 70);
+  // NOTE : These values are each one higher than might be expected, as
+  // deque::insert(iterator, count, value) copies the value it is given
+  // when it has to move elements in the deque in case that value is
+  // in the deque.
+  
+  // Near the start
+  a.insert(a.begin() + 10, 100, c);
+  VERIFY(copycounter::copycount == 170 + 1);
+  // Near the end
+  a.insert(a.end() - 10, 1000, c);
+  VERIFY(copycounter::copycount == 1170 + 2);
+}
+
+// Test deque::insert(iterator, count, value) makes no unneeded copies
+// when it doesn't have to reallocate the deque's internal buffer.
+void
+test05()
+{
+  bool test __attribute__((unused)) = true;
+  
+  copycounter c(1);
+  std::deque<copycounter> a(10, c);
+  copycounter::copycount = 0;
+  //a.reserve(1000);
+  a.insert(a.begin(), 20, c);
+  VERIFY(copycounter::copycount == 20 );
+  a.insert(a.end(), 50, c);
+  VERIFY(copycounter::copycount == 70 );
+  
+  // NOTE : These values are each one higher than might be expected, as
+  // deque::insert(iterator, count, value) copies the value it is given
+  // when it has to move elements in the deque in case that value is
+  // in the deque.
+  // Near the start
+  a.insert(a.begin() + 10, 100, c);
+  VERIFY(copycounter::copycount == 170 + 1);
+  // Near the end
+  a.insert(a.end() - 10, 200, c);
+  VERIFY(copycounter::copycount == 370 + 2);
+}
+
+int main()
+{
+  test01();
+  test02();
+  test03();
+  test04();
+  test05();
+  return 0;
+}