public function testAmountAccessors() { $refund = new Refund(); $refund->setAmount(new Money(5000.0, 'JPY')); $this->assertEquals(new Money(5000.0, 'JPY'), $refund->getAmount()); $refund->setAmount(300.5, 'USD'); $this->assertEquals(new Money(300.5, 'USD'), $refund->getAmount()); }