/** * Multiply values */ public function testMulValues() { $currency = new Currency\Currency(array('currency' => 'EUR', 'locale' => 'de_AT')); $currency->add(100); $currency->mul(2); $this->assertEquals('€ 200,00', $currency->toCurrency()); $currency->mul(2)->mul(2); $this->assertEquals('€ 800,00', $currency->toCurrency()); }