/**
* Decrease this account current balance
*
* @param Money $amount
* @throws InsufficientFunds
* A member cannot withdraw more than it's account current balance
*/
public function withdraw(Money $amount)
{
if ($amount->greaterThan($this->balance)) {
throw new InsufficientFunds("Cannot withdraw {$amount->getAmount()}");
}
$this->balance = $this->balance->subtract($amount);
}
public function testComparison()
{
$euro1 = new Money(1, new Currency('EUR'));
$euro2 = new Money(2, new Currency('EUR'));
$usd = new Money(1, new Currency('USD'));
$this->assertTrue($euro2->greaterThan($euro1));
$this->assertFalse($euro1->greaterThan($euro2));
$this->assertTrue($euro1->lessThan($euro2));
$this->assertFalse($euro2->lessThan($euro1));
$this->assertEquals(-1, $euro1->compare($euro2));
$this->assertEquals(1, $euro2->compare($euro1));
$this->assertEquals(0, $euro1->compare($euro1));
}
/**
* Returns true if the provided amount is lower, than the current upper
* limit
*
* @param Money $other
* @return bool
*/
protected function matches($other)
{
return $this->upperLimit->greaterThan($other);
}
