Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 20_util / reference_wrapper / typedefs.cc

diff --git a/libstdc++-v3/testsuite/20_util/reference_wrapper/typedefs.cc b/libstdc++-v3/testsuite/20_util/reference_wrapper/typedefs.cc
new file mode 100644 (file)
index 0000000..56ee29e
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/reference_wrapper/typedefs.cc
@@ -0,0 +1,87 @@
+// { 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/>.
+
+#include <functional>
+#include <type_traits>
+#include <testsuite_hooks.h>
+#include <testsuite_tr1.h>
+
+using namespace __gnu_test;
+
+struct X {};
+
+struct int_result_type { typedef int result_type; };
+
+struct derives_unary : std::unary_function<int, int> {};
+
+struct derives_binary : std::binary_function<int, float, int> {};
+
+struct derives_unary_binary
+  : std::unary_function<int, int>,
+    std::binary_function<int, float, int>
+{
+  typedef int result_type;
+};
+
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  using std::reference_wrapper;
+  using std::is_same;
+  using std::is_convertible;
+  using std::unary_function;
+  using std::binary_function;
+
+  // Check result_type typedef
+  VERIFY((is_same<reference_wrapper<int_result_type>::result_type, int>::value));
+  VERIFY((is_same<reference_wrapper<derives_unary>::result_type, int>::value));
+  VERIFY((is_same<reference_wrapper<derives_binary>::result_type, int>::value));
+  VERIFY((is_same<reference_wrapper<derives_unary_binary>::result_type, int>::value));
+  VERIFY((is_same<reference_wrapper<int(void)>::result_type, int>::value));
+  VERIFY((is_same<reference_wrapper<int(*)(void)>::result_type, int>::value));
+  VERIFY((is_same<reference_wrapper<int (::X::*)()>::result_type, int>::value));
+  VERIFY((is_same<reference_wrapper<int (::X::*)(float)>::result_type, int>::value));
+
+  // Check derivation from unary_function
+  VERIFY((is_convertible<reference_wrapper<derives_unary>*, unary_function<int, int>*>::value));
+  VERIFY((is_convertible<reference_wrapper<derives_unary_binary>*, unary_function<int, int>*>::value));
+  VERIFY((is_convertible<reference_wrapper<int(int)>*, unary_function<int, int>*>::value));
+  VERIFY((is_convertible<reference_wrapper<int(*)(int)>*, unary_function<int, int>*>::value));
+  VERIFY((is_convertible<reference_wrapper<int (::X::*)()>*, unary_function< ::X*, int>*>::value));
+  VERIFY((is_convertible<reference_wrapper<int (::X::*)() const>*, unary_function<const ::X*, int>*>::value));
+  VERIFY((is_convertible<reference_wrapper<int (::X::*)() volatile>*, unary_function<volatile ::X*, int>*>::value));
+  VERIFY((is_convertible<reference_wrapper<int (::X::*)() const volatile>*, unary_function<const volatile ::X*, int>*>::value));
+
+  // Check derivation from binary_function
+  VERIFY((is_convertible<reference_wrapper<derives_binary>*, binary_function<int, float, int>*>::value));
+  VERIFY((is_convertible<reference_wrapper<derives_unary_binary>*, binary_function<int, float, int>*>::value));
+  VERIFY((is_convertible<reference_wrapper<int(int, float)>*, binary_function<int, float, int>*>::value));
+  VERIFY((is_convertible<reference_wrapper<int(*)(int, float)>*, binary_function<int, float, int>*>::value));
+  VERIFY((is_convertible<reference_wrapper<int (::X::*)(float)>*, binary_function< ::X*, float, int>*>::value));
+  VERIFY((is_convertible<reference_wrapper<int (::X::*)(float) const>*, binary_function<const ::X*, float, int>*>::value));
+  VERIFY((is_convertible<reference_wrapper<int (::X::*)(float) volatile>*, binary_function<volatile ::X*, float, int>*>::value));
+  VERIFY((is_convertible<reference_wrapper<int (::X::*)(float) const volatile>*, binary_function<const volatile ::X*, float, int>*>::value));
+}
+
+int main()
+{
+  test01();
+  return 0;
+}