Date_test.cc

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#include "catch.hpp"
#include "Date.hh"
#include "ranges.hh"
#include <cstring>
 
using namespace openmsx;
 
static void test(time_t t, const char* s)
{
        REQUIRE(strlen(s) >= 24); // precondition
        CHECK(Date::fromString(std::span<const char, 24>{s, 24}) == t);
        CHECK(Date::toString(t) == s);
}
 
TEST_CASE("Date")
{
        putenv(const_cast<char*>("TZ=UTC")); tzset();
        test(         0, "Thu Jan 01 00:00:00 1970");
        test(         1, "Thu Jan 01 00:00:01 1970");
        test(        60, "Thu Jan 01 00:01:00 1970");
        test(      3600, "Thu Jan 01 01:00:00 1970");
        test(1318850077, "Mon Oct 17 11:14:37 2011");
        test(1403092862, "Wed Jun 18 12:01:02 2014");
 
        // Check invalid formats
        // - invalid separator characters
        CHECK(Date::fromString(subspan<24>("WedXJun 18 12:01:02 2014")) == Date::INVALID_TIME_T);
        CHECK(Date::fromString(subspan<24>("Wed JunX18 12:01:02 2014")) == Date::INVALID_TIME_T);
        CHECK(Date::fromString(subspan<24>("Wed Jun 18X12:01:02 2014")) == Date::INVALID_TIME_T);
        CHECK(Date::fromString(subspan<24>("Wed Jun 18 12X01:02 2014")) == Date::INVALID_TIME_T);
        CHECK(Date::fromString(subspan<24>("Wed Jun 18 12:01X02 2014")) == Date::INVALID_TIME_T);
        CHECK(Date::fromString(subspan<24>("Wed Jun 18 12:01:02X2014")) == Date::INVALID_TIME_T);
        // - weekday is not verified
        // - invalid month (must also have correct case)
        CHECK(Date::fromString(subspan<24>("Wed Foo 18 12:01:02 2014")) == Date::INVALID_TIME_T);
        CHECK(Date::fromString(subspan<24>("Wed jun 18 12:01:02 2014")) == Date::INVALID_TIME_T);
        // - invalid day
        CHECK(Date::fromString(subspan<24>("Wed Jun 00 12:01:02 2014")) == Date::INVALID_TIME_T);
        CHECK(Date::fromString(subspan<24>("Wed Jun 32 12:01:02 2014")) == Date::INVALID_TIME_T);
        // - invalid hour
        CHECK(Date::fromString(subspan<24>("Wed Jun 18 24:01:02 2014")) == Date::INVALID_TIME_T);
        CHECK(Date::fromString(subspan<24>("Wed Jun 18 xx:01:02 2014")) == Date::INVALID_TIME_T);
        // - invalid minute
        CHECK(Date::fromString(subspan<24>("Wed Jun 18 12:60:02 2014")) == Date::INVALID_TIME_T);
        CHECK(Date::fromString(subspan<24>("Wed Jun 18 12:-1:02 2014")) == Date::INVALID_TIME_T);
        // - invalid second
        CHECK(Date::fromString(subspan<24>("Wed Jun 18 12:01:60 2014")) == Date::INVALID_TIME_T);
        CHECK(Date::fromString(subspan<24>("Wed Jun 18 12:01:0 2014 ")) == Date::INVALID_TIME_T);
        // - invalid year
        CHECK(Date::fromString(subspan<24>("Wed Jun 18 12:01:02 1800")) == Date::INVALID_TIME_T);
        CHECK(Date::fromString(subspan<24>("Wed Jun 18 12:01:02 X800")) == Date::INVALID_TIME_T);
 
        // extra characters at the end are ignored, even digits
        CHECK(Date::fromString(subspan<24>("Wed Jun 18 12:01:02 2014x")) == 1403092862);
        CHECK(Date::fromString(subspan<24>("Wed Jun 18 12:01:02 20140")) == 1403092862);
}