/**
* @param Money $money
* @param Currency $counterCurrency
* @param int $roundingMode
*
* @return Money
*/
public function convert(Money $money, Currency $counterCurrency, $roundingMode = Money::ROUND_HALF_UP)
{
$baseCurrency = $money->getCurrency();
$ratio = $this->exchange->quote($baseCurrency, $counterCurrency)->getConversionRatio();
$baseCurrencySubunit = $this->currencies->subunitFor($baseCurrency);
$counterCurrencySubunit = $this->currencies->subunitFor($counterCurrency);
$subunitDifference = $baseCurrencySubunit - $counterCurrencySubunit;
$ratio = $ratio / pow(10, $subunitDifference);
$counterValue = $money->multiply($ratio, $roundingMode);
return new Money($counterValue->getAmount(), $counterCurrency);
}
/**
* @covers \SebastianBergmann\Money\Money::multiply
* @uses \SebastianBergmann\Money\Money::__construct
* @uses \SebastianBergmann\Money\Money::handleCurrencyArgument
* @uses \SebastianBergmann\Money\Currency
* @expectedException \SebastianBergmann\Money\InvalidArgumentException
*/
public function testExceptionIsRaisedWhenMultipliedUsingInvalidRoundingMode()
{
$a = new Money(1, new Currency('EUR'));
$a->multiply(2, null);
}