date_time/test/testconstrained_value.cpp

78 lines
2.1 KiB
C++

/* 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> cv3(11);
std::cout << "Not Reachable: " << cv3 << " ";
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();
}