Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / tr1 / 3_function_objects / mem_fn.cc

diff --git a/libstdc++-v3/testsuite/tr1/3_function_objects/mem_fn.cc b/libstdc++-v3/testsuite/tr1/3_function_objects/mem_fn.cc
new file mode 100644 (file)
index 0000000..7a6e661
--- /dev/null
+++ b/libstdc++-v3/testsuite/tr1/3_function_objects/mem_fn.cc
@@ -0,0 +1,80 @@
+// 2005-01-26 Douglas Gregor <dgregor@cs.indiana.edu>
+//
+// Copyright (C) 2005, 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/>.
+
+// 3.5 function template mem_fn
+#include <tr1/functional>
+#include <testsuite_hooks.h>
+#include <testsuite_tr1.h>
+
+struct X { int bar; };
+
+struct Y : X { };
+
+template<typename T>
+struct dumb_ptr
+{
+  dumb_ptr(T* p) : p(p) {}
+
+  T& operator*() const { return *p; }
+
+ private:
+  T* p;
+};
+
+// Test mem_fn with a data member
+void test01(int r = 0)
+{
+  using std::tr1::mem_fn;
+
+  X x;
+  Y y;
+  const X& xc = x;
+  const Y& yc = y;
+  X* xp = &x;
+  Y* yp =&y;
+  const X* xpc = xp;
+  const Y* ypc = yp;
+  dumb_ptr<X> xd(xp);
+  dumb_ptr<Y> yd(yp);
+  const dumb_ptr<X>& xdc = xd;
+  const dumb_ptr<Y>& ydc = yd;
+
+  int& bx = mem_fn(&X::bar)(x);
+  const int& bxc = mem_fn(&X::bar)(xc);
+  int& bxp = mem_fn(&X::bar)(xp);
+  const int& bxpc = mem_fn(&X::bar)(xpc);
+  const int& bxd = mem_fn(&X::bar)(xd);
+  const int& bxdc = mem_fn(&X::bar)(xdc);
+
+  int& by = mem_fn(&X::bar)(y);
+  const int& byc = mem_fn(&X::bar)(yc);
+  int& byp = mem_fn(&X::bar)(yp);
+  const int& bypc = mem_fn(&X::bar)(ypc);
+  const int& byd = mem_fn(&X::bar)(yd);
+  const int& bydc = mem_fn(&X::bar)(ydc);
+  
+  // Avoid unused variable warnings.
+  r = bx + bxc + bxp + bxpc + bxd + bxdc + by + byc + byp + bypc + byd + bydc;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}