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diff --git a/apps/examples/cxxtest/cxxtest_main.cxx b/apps/examples/cxxtest/cxxtest_main.cxx
new file mode 100644
index 000000000..c0d4bfbd1
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+++ b/apps/examples/cxxtest/cxxtest_main.cxx
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+//***************************************************************************
+// examples/cxxtest/main.cxx
+//
+//   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+//   Author: Qiang Yu, http://rgmp.sourceforge.net/wiki/index.php/Main_Page
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in
+//    the documentation and/or other materials provided with the
+//    distribution.
+// 3. Neither the name NuttX nor the names of its contributors may be
+//    used to endorse or promote products derived from this software
+//    without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+//
+//***************************************************************************
+
+//***************************************************************************
+// Included Files
+//***************************************************************************
+
+#include <nuttx/config.h>
+#include <nuttx/init.h>
+#include <nuttx/arch.h>
+
+#include <iostream>
+#include <vector>
+#include <map>
+#include <stdexcept>
+#include <cassert>
+
+using namespace std;
+
+//***************************************************************************
+// Definitions
+//***************************************************************************
+
+//***************************************************************************
+// Private Classes
+//***************************************************************************
+
+class Base
+{
+public:
+  virtual void printBase(void) {};
+};
+
+class Extend : public Base
+{
+public:
+  void printExtend(void)
+  {
+    cout << "extend" << endl;
+  }
+};
+
+//***************************************************************************
+// Private Data
+//***************************************************************************
+
+//***************************************************************************
+// Public Functions
+//***************************************************************************
+
+//***************************************************************************
+// Name: test_iostream
+//***************************************************************************/
+
+static void test_iostream(void)
+{
+  cout << "test iostream===========================" << endl;
+  cout << "Hello, this is only a test" << endl;
+  cout << "Print an int: "  <<  190  <<  endl;
+  cout <<  "Print a char: "  <<  'd'  <<  endl;
+
+#if 0
+  int a;
+  string s;
+
+  cout << "Please type in an int:" << endl;
+  cin >> a;
+  cout << "You type in: " << a << endl;
+  cout << "Please type in a string:" << endl;
+  cin >> s;
+  cout << "You type in: " << s << endl;
+#endif
+}
+
+//***************************************************************************
+// Name: test_stl
+//***************************************************************************/
+
+static void test_stl(void)
+{
+  cout << "test vector=============================" << endl;
+
+  vector<int> v1;
+  assert(v1.empty());
+
+  v1.push_back(1);
+  assert(!v1.empty());
+
+  v1.push_back(2);
+  v1.push_back(3);
+  v1.push_back(4);
+  assert(v1.size() == 4);
+
+  v1.pop_back();
+  assert(v1.size() == 3);
+
+  cout << "v1=" << v1[0] << ' ' << v1[1] << ' ' << v1[2] << endl;
+  assert(v1[2] == 3);
+
+  vector<int> v2 = v1;
+  assert(v2 == v1);
+
+  string words[4] = {"Hello", "World", "Good", "Luck"};
+  vector<string> v3(words, words + 4);
+  vector<string>::iterator it;
+  for (it = v3.begin(); it != v3.end(); it++)
+    {
+      cout << *it << ' ';
+    }
+
+  cout << endl;
+  assert(v3[1] == "World");
+
+  cout << "test map================================" << endl;
+
+  map<int,string> m1;
+  m1[12] = "Hello";
+  m1[24] = "World";
+  assert(m1.size() == 2);
+  assert(m1[24] == "World");
+}
+
+//***************************************************************************
+// Name: test_rtti
+//***************************************************************************/
+
+static void test_rtti(void)
+{
+  cout << "test rtti===============================" << endl;
+  Base *a = new Base();
+  Base *b = new Extend();
+  assert(a);
+  assert(b);
+
+  Extend *t = dynamic_cast<Extend *>(a);
+  assert(t == NULL);
+
+  t = dynamic_cast<Extend *>(b);
+  assert(t);
+  t->printExtend();
+
+  delete a;
+  delete b;
+}
+
+//***************************************************************************
+// Name: test_exception
+//***************************************************************************/
+
+static void test_exception(void)
+{
+  cout << "test exception==========================" << endl;
+  try
+  {
+    throw runtime_error("runtime error");
+  }
+
+  catch (runtime_error &e)
+  {
+    cout << "Catch exception: " << e.what() << endl;
+  }
+}
+
+//***************************************************************************
+// Public Functions
+//***************************************************************************
+
+//***************************************************************************
+// Name: cxxtest_main
+//***************************************************************************/
+
+int cxxtest_main(int argc, char *argv[])
+{
+  // If C++ initialization for static constructors is supported, then do
+  // that first
+
+#ifdef CONFIG_HAVE_CXXINITIALIZE
+  up_cxxinitialize();
+#endif
+
+  test_iostream();
+  test_stl();
+  test_rtti();
+  test_exception();
+    
+  return 0;
+}