Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 20_util / shared_ptr / assign / move.cc

diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/assign/move.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/assign/move.cc
new file mode 100644 (file)
index 0000000..1a7b20c
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/shared_ptr/assign/move.cc
@@ -0,0 +1,118 @@
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2007, 2009 Free Software Foundation
+//
+// 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/>.
+
+// 20.6.6.2 Template class shared_ptr [util.smartptr.shared]
+
+#include <memory>
+#include <utility>
+#include <testsuite_hooks.h>
+
+struct A
+{
+  A() { ++ctor_count; }
+  virtual ~A() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long A::ctor_count = 0;
+long A::dtor_count = 0;
+
+struct B : A
+{
+  B() { ++ctor_count; }
+  virtual ~B() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long B::ctor_count = 0;
+long B::dtor_count = 0;
+
+struct reset_count_struct
+{
+  ~reset_count_struct()
+  {
+    A::ctor_count = 0;
+    A::dtor_count = 0;
+    B::ctor_count = 0;
+    B::dtor_count = 0;
+  }
+};
+
+
+// 20.6.6.2.1 shared_ptr constructors [util.smartptr.shared.const]
+
+// Rvalue assignment from shared_ptr
+void
+test01()
+{
+  reset_count_struct __attribute__((unused)) reset;
+  bool test __attribute__((unused)) = true;
+
+  std::shared_ptr<A> a1;
+  std::shared_ptr<A> a2(new A);
+
+  a1 = std::move(a2);
+  VERIFY( a1.get() != 0 );
+  VERIFY( a2.get() == 0 );
+  VERIFY( a1.use_count() == 1 );
+  VERIFY( a2.use_count() == 0 );
+  VERIFY( A::ctor_count == 1 );
+  VERIFY( A::dtor_count == 0 );
+
+  a1 = std::move(std::shared_ptr<A>());
+  VERIFY( a1.get() == 0 );
+  VERIFY( A::ctor_count == 1 );
+  VERIFY( A::dtor_count == 1 );
+}
+
+// Rvalue assignment from shared_ptr<Y>
+void
+test02()
+{
+  reset_count_struct __attribute__((unused)) reset;
+  bool test __attribute__((unused)) = true;
+
+  std::shared_ptr<A> a;
+  std::shared_ptr<B> b(new B);
+
+  a = std::move(b);
+  VERIFY( a.get() != 0 );
+  VERIFY( b.get() == 0 );
+  VERIFY( a.use_count() == 1 );
+  VERIFY( b.use_count() == 0 );
+  VERIFY( A::ctor_count == 1 );
+  VERIFY( A::dtor_count == 0 );
+  VERIFY( B::ctor_count == 1 );
+  VERIFY( B::dtor_count == 0 );
+
+  a = std::move(std::shared_ptr<A>());
+  VERIFY( a.get() == 0 );
+  VERIFY( A::ctor_count == 1 );
+  VERIFY( A::dtor_count == 1 );
+  VERIFY( B::ctor_count == 1 );
+  VERIFY( B::dtor_count == 1 );
+}
+
+int 
+main()
+{
+  test01();
+  test02();
+  return 0;
+}