wow

CaseClassTest.scala

package org.scala.impatient

import org.junit.{Assert, Test}

/**
 * org.scala.impatient.CaseClassTest
 * User: sunghyouk.bae@gmail.com
 * Date: 13. 1. 4.
 */
class CaseClassTest {


	abstract class Amount

	case class Dollar(value: Double) extends Amount

	case class Currency(value: Double, unit: String) extends Amount

	case object Nothing extends Amount

	@Test
	def matchCaseClassTest() {

		val dollar: Amount = Dollar(100)

		val result =
			dollar match {
				case Dollar(v) => "$" + v.toInt
				case Currency(_, u) => "이런 .. " + u
				case Nothing => ""
				case _ => "Unknown"
			}

		Assert.assertEquals("$100", result)
	}

	@Test
	def caseCopyTest() {
		val amt = Currency(29.95, "EUR")

		Assert.assertEquals(amt, amt.copy())
		Assert.assertEquals(Currency(10.0, "EUR"), amt.copy(10.0))
		Assert.assertEquals(Currency(10.0, "USD"), amt.copy(10.0, "USD"))
	}

	abstract class Item
	case class Article(description:String, price:Double) extends Item
	case class Bundle(description:String, discount:Double, items:Item*) extends Item

	@Test
	def matchingNestedStructures() {

	}
}