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