Imported gcc-4.4.3

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

diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/creation/alloc.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/creation/alloc.cc
new file mode 100644 (file)
index 0000000..e6bc6f4
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/shared_ptr/creation/alloc.cc
@@ -0,0 +1,110 @@
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2007, 2008, 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 <testsuite_hooks.h>
+#include <testsuite_allocator.h>
+
+using __gnu_test::tracker_allocator_counter;
+using __gnu_test::tracker_allocator;
+
+struct A
+{
+  A(int i, double d, char c = '\0') : i(i), d(d), c(c) { ++ctor_count; }
+  explicit A(int i) : i(i), d(), c() { ++ctor_count; }
+  A() : i(), d(), c() { ++ctor_count; }
+  ~A() { ++dtor_count; }
+  int i;
+  double d;
+  char c;
+  static int ctor_count;
+  static int dtor_count;
+};
+int A::ctor_count = 0;
+int A::dtor_count = 0;
+
+struct reset_count_struct
+{
+  ~reset_count_struct()
+  {
+    A::ctor_count = 0;
+    A::dtor_count = 0;
+    tracker_allocator_counter::reset();
+  }
+};
+
+// 20.6.6.2.6 shared_ptr creation [util.smartptr.shared.create]
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  reset_count_struct __attribute__((unused)) reset;
+
+  {
+    std::shared_ptr<A> p1 = std::allocate_shared<A>(tracker_allocator<A>());
+    VERIFY( p1.get() != 0 );
+    VERIFY( p1.use_count() == 1 );
+    VERIFY( A::ctor_count == 1 );
+    VERIFY( tracker_allocator_counter::get_allocation_count() > 0 );
+  }
+  VERIFY( A::ctor_count == A::dtor_count );
+  VERIFY( tracker_allocator_counter::get_allocation_count()
+         == tracker_allocator_counter::get_deallocation_count() );
+}
+
+void
+test02()
+{
+  bool test __attribute__((unused)) = true;
+  reset_count_struct __attribute__((unused)) reset;
+
+  std::shared_ptr<A> p1;
+  
+  p1 = std::allocate_shared<A>(tracker_allocator<A>(), 1);
+  VERIFY( A::ctor_count == 1 );
+  VERIFY( tracker_allocator_counter::get_allocation_count() > 0 );
+
+  p1 = std::allocate_shared<A>(tracker_allocator<A>(), 1, 2.0);
+  VERIFY( A::ctor_count == 2 );
+  VERIFY( A::dtor_count == 1 );
+  VERIFY( tracker_allocator_counter::get_deallocation_count() > 0 );
+
+  p1 = std::allocate_shared<A>(tracker_allocator<A>(), 1, 2.0, '3');
+  VERIFY( A::ctor_count == 3 );
+  VERIFY( A::dtor_count == 2 );
+  VERIFY( p1->i == 1 );
+  VERIFY( p1->d == 2.0 );
+  VERIFY( p1->c == '3' );
+
+  p1 = std::shared_ptr<A>();
+  VERIFY( A::ctor_count == A::dtor_count );
+  VERIFY( tracker_allocator_counter::get_allocation_count()
+         == tracker_allocator_counter::get_deallocation_count() );
+}
+
+int
+main()
+{
+  test01();
+  test02();
+  return 0;
+}