public void Map_DefaultContentType_ThrowsException()
{
// arrange
var target = new WeightCalculatorDomainService();
// act, assert
Assert.Throws <InvalidOperationException>(() => target.CalculateMaxWeight(default));
public void Map_ContentType_ReturnsWeight(DomainOrigin domainOrigin, int expectedWeight)
{
// arrange
var target = new WeightCalculatorDomainService();
// act
var actual = target.CalculateMaxWeight(domainOrigin);
// assert
Assert.Equal(new Weight(expectedWeight), actual);
}