public void UpdateEmail_WithValidParam()
{
// Arrange
var customer = BuildCustomerCreationFunc()();
var email = new Email("*****@*****.**");
// Act
customer.UpdateEmail(email);
// Assert
Assert.Equal(email, customer.Email);
}
public void Test_UpdateEmail_WithNullParam_ShouldThrow()
{
// Arrange
var customer = BuildCustomerCreationFunc()();
void updateEmail() => customer.UpdateEmail(null);
// Act
var ex = Assert.Throws <ArgumentNullException>(updateEmail);
Assert.Equal("email", ex.ParamName);
}
