public function testDayCountConventionInvalid()
{
$this->setExpectedException('Exception', ErrorMessages::getDayCountConventionNotDefinedMessage());
$availableDayCountConventions = Config::getConfigField('available_day_count_conventions');
$dayCountConvention = Config::getConfigField('day_count_convention');
Config::setConfigField('available_day_count_conventions', ['faulty']);
Config::setConfigField('day_count_convention', 'faulty');
TimeUtils::getCurrentDayCountConvention();
Config::setConfigField('available_day_count_conventions', $availableDayCountConventions);
Config::setConfigField('day_count_convention', $dayCountConvention);
}
/**
* @return string
* @throws Exception
*/
public function getInterestDivisor()
{
return MathFuncs::div(TimeUtils::getCurrentDayCountConvention()['days_in_a_year'], MathFuncs::mul($this->annualInterestRate, 100));
}
/**
* @return string [Length of the debt in months as a string]
*/
public function getDebtLengthInMonths()
{
return MathFuncs::div($this->getDebtLengthInDays(), TimeUtils::getCurrentDayCountConvention()['days_in_a_month']);
}
/**
* @return string
* @throws Exception
*/
public function toMonths()
{
return MathFuncs::div($this->toDays(), TimeUtils::getCurrentDayCountConvention()['days_in_a_month']);
}