public void GetHashCode_Same()
{
// arrange
var p = new Rational.Rational(4, -2);
var q = new Rational.Rational(-2, 1);
// assert
Assert.Equal(p.GetHashCode(), q.GetHashCode());
}
public void GetHashCode_Different()
{
// arrange
var p = new Rational.Rational(4, 2);
var q = new Rational.Rational(-2, 1);
// assert
Assert.NotEqual(p.GetHashCode(), q.GetHashCode());
}