public void MustReturnAllocationsTotalCost() { var employee = new Employee(); var project = new Project(); var allocation = new Allocation(project, employee); employee.WorkHourlyCost = 16; allocation.DailyWorkLoad = 8; allocation.StartDate = new DateTime(2019, 2, 11); allocation.EndDate = new DateTime(2019, 2, 18); var expectedValue = 768; // allocation.TotalDays() * employee.WorkHourlyCost * (decimal) allocation.DailyWorkLoad; var actualValue = allocation.AllocationTotalCost(); Assert.Equal(expectedValue, actualValue); }