// file: RationalTests.scala
class RationalTests extends org.scalatest.Suite {
    def C(n: Double, d: Double) = new Complex(n, d)
    def C(n: Double) = new Complex(n)
    def testSum {
        expect(C(11, 12)) { C(5, 6) + C(6, 6) }
    }
    def testSub {
        expect(C(-5, 12)) { C(1, -4) - C(6, 16) }
    }
    def testSub2 {
        expect(C(-1, 6)) { C(-2, 4) - C(-1, -2) }
    }
    def testMult{
        expect( C(2,23)) { C(2,6) * C(4,5) }
    }
    def testDiv {
        expect(C(1, 0)) { C(2,2) / C(2,2) }
    }
    def testDiv2 {
        expect(C(2, 0)) { C(-4,-4) / C(-2,-2) }
    }
}