複素数を扱うためのScalaクラスに対するScalaTest用のテストファイルの記述例。

ComplexNumberTestClass.scala

package info.pandanote.test

import org.scalatest.Assertions
import org.scalatest._

class ComplexNumberTest  extends FlatSpec with Matchers {
    "a" should "123" in {
    val a = "123"
    a should be("123")
  }
  
  "a*a" should "-3+4i" in {
    val a = ComplexNumber(1,2)
    a*a should be(ComplexNumber(-3,4))
  }
}