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/* Copyright (c) 2005 CrystalClear Software, Inc.
* Subject to the Boost Software License, Version 1.0.
* (See accompanying file LICENSE-1.0 or http://www.boost.org/LICENSE-1.0)
* Author: Jeff Garland, Bart Garst
* $Date: 2005/06/28 13:12:24 $
*/
#include "boost/date_time/local_time/local_time.hpp"
#include "boost/date_time/testfrmwk.hpp"
#include <iostream>
#include <sstream>
#include <string>
// for tests that are expected to fail and throw exceptions
template<class temporal_type, class exception_type>
bool failure_test(temporal_type component,
const std::string& input,
exception_type /*except*/,
boost::local_time::local_time_input_facet* facet)
{
using namespace boost::local_time;
bool result = false;
std::istringstream iss(input);
iss.exceptions(std::ios_base::failbit); // turn on exceptions
iss.imbue(std::locale(std::locale::classic(), facet));
try {
iss >> component;
}
catch(exception_type e) {
std::cout << "Expected exception caught: \""
<< e.what() << "\"" << std::endl;
result = iss.fail(); // failbit must be set to pass test
}
catch(...) {
result = false;
}
return result;
}
// for tests that are expected to fail quietly
template<class temporal_type>
bool failure_test(temporal_type component,
const std::string& input,
boost::local_time::local_time_input_facet* facet)
{
using namespace boost::local_time;
std::istringstream iss(input);
/* leave exceptions turned off
* iss.exceptions(std::ios_base::failbit); */
iss.imbue(std::locale(std::locale::classic(), facet));
try {
iss >> component;
}
catch(...) {
std::cout << "Caught unexpected exception" << std::endl;
return false;
}
return iss.fail(); // failbit must be set to pass test
}
int main() {
using namespace boost::gregorian;
using namespace boost::posix_time;
using namespace boost::local_time;
time_zone_ptr null_zone;
local_date_time ldt1(not_a_date_time, null_zone);
// verify wide stream works, thorough tests done in narrow stream
#if !defined(BOOST_NO_STD_WSTRING)
{
std::wstringstream ws;
ws.str(L"2005-Feb-15 12:15:00 EST-05EDT,M4.1.0,M10.5.0");
ws >> ldt1;
check("Wide stream, Eastern US, daylight savings, winter, minimal input",
ldt1.local_time() == ptime(date(2005,2,15), time_duration(12,15,0)));
check("Wide stream, Eastern US, daylight savings, winter, minimal input",
ldt1.utc_time() == ptime(date(2005,2,15), time_duration(17,15,0)));
check("Wide stream, Eastern US, daylight savings, winter, minimal input", !ldt1.is_dst());
ws.str(L"");
wlocal_time_input_facet* wfacet = new wlocal_time_input_facet(L"%m/%d/%y %ZP");
std::locale loc(std::locale::classic(), wfacet);
ws.imbue(loc);
ws.str(L"10/31/04 PST-08PDT,M4.1.0,M10.5.0"); // midnight on end transition day, still in dst
ws >> ldt1;
std::wcout << ldt1.local_time() << std::endl;
check("Wide stream, Eastern US, daylight savings, winter, custom format",
ldt1.local_time() == ptime(date(2004,10,31), time_duration(0,0,0)));
check("Wide stream, Eastern US, daylight savings, winter, custom format",
ldt1.utc_time() == ptime(date(2004,10,31), time_duration(7,0,0)));
check("Wide stream, Eastern US, daylight savings, winter, custom format", ldt1.is_dst());
}
#endif // BOOST_NO_STD_WSTRING
std::stringstream ss;
ss.str("2005-Feb-25 12:15:00 EST-05EDT,M4.1.0,M10.5.0");
ss >> ldt1;
check("Eastern US, daylight savings, winter, minimal input",
ldt1.local_time() == ptime(date(2005,2,25), time_duration(12,15,0)));
check("Eastern US, daylight savings, winter, minimal input",
ldt1.utc_time() == ptime(date(2005,2,25), time_duration(17,15,0)));
check("Eastern US, daylight savings, winter, minimal input", !ldt1.is_dst());
ss.str("");
ss.str("2005-Aug-25 12:15:00 EST-05EDT,M4.1.0,M10.5.0");
ss >> ldt1;
check("Eastern US, daylight savings, summer, minimal input",
ldt1.local_time() == ptime(date(2005,8,25), time_duration(12,15,0)));
check("Eastern US, daylight savings, summer, minimal input",
ldt1.utc_time() == ptime(date(2005,8,25), time_duration(16,15,0)));
check("Eastern US, daylight savings, summer, minimal input", ldt1.is_dst());
ss.str("");
ss.str("2005-Apr-03 01:15:00 EST-05EDT,M4.1.0,M10.5.0");
ss >> ldt1;
check("Eastern US, daylight savings, transition point", !ldt1.is_dst());
ldt1 += hours(1);
check("Eastern US, daylight savings, transition point", ldt1.is_dst());
ss.str("");
ss.str("2005-Apr-03 01:15:00 EST-05EDT,93,303");
ss >> ldt1;
check("Eastern US, daylight savings, transition point", !ldt1.is_dst());
ldt1 += hours(1);
check("Eastern US, daylight savings, transition point", ldt1.is_dst());
ss.str("");
ss.str("2005-Oct-30 00:15:00 EST-05EDT,M4.1.0,M10.5.0");
ss >> ldt1;
check("Eastern US, daylight savings, transition point", ldt1.is_dst());
ldt1 += hours(1);
check("Eastern US, daylight savings, transition point", ldt1.is_dst());
ldt1 += hours(1);
check("Eastern US, daylight savings, transition point", !ldt1.is_dst());
ss.str("");
ss.str("2005-Oct-30 00:15:00 EST-05EDT,93,303");
ss >> ldt1;
check("Eastern US, daylight savings, transition point", ldt1.is_dst());
ldt1 += hours(1);
check("Eastern US, daylight savings, transition point", ldt1.is_dst());
ldt1 += hours(1);
check("Eastern US, daylight savings, transition point", !ldt1.is_dst());
ss.str("");
ss.str("2005-Aug-25 12:15:00 MST-07");
ss >> ldt1;
check("Mountain US, no daylight savings",
ldt1.local_time() == ptime(date(2005,8,25), time_duration(12,15,0)));
check("Mountain US, no daylight savings",
ldt1.utc_time() == ptime(date(2005,8,25), time_duration(19,15,0)));
check("Mountain US, no daylight savings", !ldt1.is_dst());
ss.str("");
// insure input & output formats match
local_time_facet* out_facet =
new local_time_facet(local_time_input_facet::default_time_input_format);
std::locale loc(std::locale::classic(), out_facet);
ss.imbue(loc);
time_zone_ptr syd_tz(new posix_time_zone("EST+10EST,M10.5.0,M3.5.0/03:00"));
ptime pt(date(2005,6,12), hours(0));
local_date_time ldt2(pt, syd_tz);
ss << ldt2;
ss >> ldt1;
check("Output as input makes match", ldt1 == ldt2);
check("Output as input makes match",
ldt1.zone()->dst_local_start_time(2004) == ldt2.zone()->dst_local_start_time(2004));
ss.str("");
time_zone_ptr f_tz(new posix_time_zone("FST+03FDT,90,300"));
ldt2 = local_date_time(ptime(date(2005,6,12), hours(0)), f_tz);
ss << ldt2;
ss >> ldt1;
check("Output as input makes match", ldt1 == ldt2);
check("Output as input makes match",
ldt1.zone()->dst_local_start_time(2004) == ldt2.zone()->dst_local_start_time(2004));
ss.str("");
// missing input & wrong format tests
ss.str("2005-Oct-30 00:15:00");
ss >> ldt1;
check("Missing time_zone spec makes UTC", ldt1.zone_as_posix_string() == std::string("UTC+00"));
check("Missing time_zone spec makes UTC", ldt1.utc_time() == ldt1.local_time());
ss.str("");
{
std::istringstream iss("2005-Aug-25 12:15:00 MST-07");
local_time_input_facet* f = new local_time_input_facet("%Y-%b-%d %H:%M:%S %z");
std::locale loc(std::locale::classic(), f);
iss.imbue(loc);
iss >> ldt1;
check("Wrong format flag makes UTC", ldt1.zone_as_posix_string() == std::string("UTC+00"));
check("Wrong format flag makes UTC", ldt1.utc_time() == ldt1.local_time());
}
// failure tests: (posix_time_zone) bad_offset, bad_adjustment,
// (local_date_time) ambiguous_result, time_label_invalid,
// time/date failures already tested
ambiguous_result amb_ex("default");
time_label_invalid inv_ex("default");
check("Failure test ambiguous time label (w/exceptions)",
failure_test(ldt1,
"2005-Oct-30 01:15:00 EST-05EDT,M4.1.0,M10.5.0",
amb_ex,
new local_time_input_facet()));
check("Failure test ambiguous time label (no exceptions)",
failure_test(ldt1,
"2005-Oct-30 01:15:00 EST-05EDT,M4.1.0,M10.5.0",
new local_time_input_facet()));
check("Failure test ambiguous time label (w/exceptions)",
failure_test(ldt1,
"2005-Oct-30 01:15:00 EST-05EDT,93,303",
amb_ex,
new local_time_input_facet()));
check("Failure test ambiguous time label (no exceptions)",
failure_test(ldt1,
"2005-Oct-30 01:15:00 EST-05EDT,93,303",
new local_time_input_facet()));
check("Failure test invalid time label (w/exceptions)",
failure_test(ldt1,
"2005-Apr-03 02:15:00 EST-05EDT,M4.1.0,M10.5.0",
inv_ex,
new local_time_input_facet()));
check("Failure test invalid time label (no exceptions)",
failure_test(ldt1,
"2005-Apr-03 02:15:00 EST-05EDT,M4.1.0,M10.5.0",
new local_time_input_facet()));
check("Failure test invalid time label (w/exceptions)",
failure_test(ldt1,
"2005-Apr-03 02:15:00 EST-05EDT,93,303",
inv_ex,
new local_time_input_facet()));
check("Failure test invalid time label (no exceptions)",
failure_test(ldt1,
"2005-Apr-03 02:15:00 EST-05EDT,93,303",
new local_time_input_facet()));
return printTestStats();
}
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