1 files changed, 93 insertions, 0 deletions
diff --git a/gcc-4.9/libstdc++-v3/testsuite/20_util/shared_ptr/cons/nullptr.cc b/gcc-4.9/libstdc++-v3/testsuite/20_util/shared_ptr/cons/nullptr.cc
new file mode 100644
index 000000000..dc54f3e58
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/testsuite/20_util/shared_ptr/cons/nullptr.cc
@@ -0,0 +1,93 @@
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2010-2014 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/>.
+
+// 20.9.11.2 Class template shared_ptr [util.smartptr.shared]
+
+#include <memory>
+#include <cstddef>
+#include <testsuite_hooks.h>
+#include <testsuite_allocator.h>
+
+// 20.9.11.2.1 shared_ptr constructors [util.smartptr.shared.const]
+
+// Construction from nullptr
+
+struct deleter
+{
+  int count;
+  deleter() : count(0) { }
+  void operator()(std::nullptr_t) { ++count; }
+  void operator()(int*) const { throw "wrong type passed to deleter"; }
+};
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::shared_ptr<int> p = nullptr;
+  VERIFY( p.get() == nullptr );
+  VERIFY( p.use_count() == 0 );
+
+}
+
+void
+test02()
+{
+  bool test __attribute__((unused)) = true;
+
+  deleter d;
+  std::shared_ptr<int> p(nullptr, std::ref(d));
+  VERIFY( p.get() == nullptr );
+  VERIFY( p.use_count() == 1 );
+
+  p = nullptr;
+  VERIFY( p.use_count() == 0 );
+  VERIFY( d.count == 1 );
+}
+
+
+void
+test03()
+{
+  bool test __attribute__((unused)) = true;
+
+  deleter d;
+  __gnu_test::tracker_allocator<int> a;
+  std::shared_ptr<int> p(nullptr, std::ref(d), a);
+  VERIFY( p.get() == nullptr );
+  VERIFY( p.use_count() == 1 );
+
+  p = nullptr;
+  VERIFY( p.use_count() == 0 );
+  VERIFY( d.count == 1 );
+
+  typedef __gnu_test::tracker_allocator_counter c;
+  VERIFY( c::get_destruct_count() == c::get_construct_count() );
+  VERIFY( c::get_deallocation_count() == c::get_allocation_count() );
+}
+
+int
+main()
+{
+  test01();
+  test02();
+  test03();
+  return 0;
+}