Initial commit

libs/date_time/test/testconstrained_value.cpp

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+/* Copyright (c) 2002,2003 CrystalClear Software, Inc.
+ * Use, modification and distribution is subject to the 
+ * Boost Software License, Version 1.0. (See accompanying
+ * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
+ * Author: Jeff Garland 
+ */
+
+#include "boost/config.hpp"
+#include "boost/date_time/constrained_value.hpp"
+#include "testfrmwk.hpp"
+#include <iostream>
+
+class bad_day {}; //exception type
+
+
+class day_value_policies
+{
+public:
+  typedef unsigned int value_type;
+  static unsigned int min BOOST_PREVENT_MACRO_SUBSTITUTION () { return 0; };
+  static unsigned int max BOOST_PREVENT_MACRO_SUBSTITUTION () { return 31;};
+  static void on_error(unsigned int&, unsigned int, boost::CV::violation_enum)
+  {
+    throw bad_day();
+  }
+};
+
+struct range_error {}; //exception type
+typedef boost::CV::simple_exception_policy<int,1,10,range_error> one_to_ten_range_policy;
+
+int main()
+{
+  using namespace boost::CV;
+  constrained_value<day_value_policies> cv1(0), cv2(31);
+  check("not equal", cv1 != cv2);
+  check("equal", cv1 == cv1);
+  check("greater", cv2 > cv1);
+  check("greater or equal ", cv2 >= cv1);
+  //various running of the conversion operator
+  std::cout << cv1 << std::endl;
+  unsigned int i = cv1; 
+  check("test conversion", i == cv1);
+
+
+  try {
+    constrained_value<one_to_ten_range_policy> cv2(11);
+    std::cout << "Not Reachable: " << cv2 << " ";
+    check("got range exception max", false);
+  }
+  catch(range_error& e) {
+    e = e; // removes compiler warning
+    check("got range exception max", true);
+  }
+
+  try {
+    constrained_value<one_to_ten_range_policy> cv3(0);
+    std::cout << "Not Reachable: " << cv3 << " ";
+    check("got range exception min", false);
+  }
+  catch(range_error& e) {
+    e = e; // removes compiler warning
+    check("got range exception min", true);
+  }
+
+  try {
+    constrained_value<one_to_ten_range_policy> cv4(1);
+    cv4 = 12;
+    check("range exception on assign", false);
+  }
+  catch(range_error& e) {
+    e = e; // removes compiler warning
+    check("range exception on assign", true);
+  }
+
+  return printTestStats();
+}
+