public void TestHashCode()
{
const string number = "aaa";
var expected = number.GetHashCode();
var sut = new VoyageNumber(number);
var actual = sut.GetHashCode();
Assert.AreEqual(expected, actual);
}
public override int GetHashCode()
{
return(_voyage.GetHashCode() ^ _loadLocation.GetHashCode() ^ _unloadLocation.GetHashCode());
}