setSubtotal(self::$subtotal); $amountDetails->setTax(self::$tax); $amountDetails->setShipping(self::$shipping); $amountDetails->setFee(self::$fee); return $amountDetails; } public function setup() { $this->amountDetails = self::createAmountDetails(); } public function testGetterSetters() { $this->assertEquals(self::$subtotal, $this->amountDetails->getSubtotal()); $this->assertEquals(self::$tax, $this->amountDetails->getTax()); $this->assertEquals(self::$shipping, $this->amountDetails->getShipping()); $this->assertEquals(self::$fee, $this->amountDetails->getFee()); } public function testSerializeDeserialize() { $a1 = $this->amountDetails; $a2 = new Details(); $a2->fromJson($a1->toJson()); $this->assertEquals($a1, $a2); } }