public void ValueType_CompareToOld_GivenNull_ExpectArgumentNullException()
{
// Arrange
var cc1 = new CalorieCount(20);
object cc2 = null;
// Act
var result = cc1.CompareTo(cc2);
// Assert
}
public void ValueType_CompareToOld_GivenNonCC_ExpectArgumentException()
{
// Arrange
var cc1 = new CalorieCount(20);
var cc2 = "twenty";
// Act
var result = cc1.CompareTo((object)cc2);
// Assert
}
public List <CalorieCount> Insert(int personId, int calories, DateTime datetimeEntered)
{
CalorieCount calorieModel = new CalorieCount()
{
PersonId = personId, Calories = calories, DatetimeEntered = datetimeEntered
};
var counts = Insert(calorieModel);
return(counts);
}
public void ValueType_Operators_GivenCCLessValue_ExpectLess()
{
// Arrange
var cc1 = new CalorieCount(10);
var cc2 = new CalorieCount(20);
// Act
var result = cc1 < cc2;
// Assert
Assert.IsTrue(result);
}
public void ValueType_Operators_GivenCCEqualValue_ExpectGreaterOrEqual()
{
// Arrange
var cc1 = new CalorieCount(20);
var cc2 = new CalorieCount(20);
// Act
var result = cc1 >= cc2;
// Assert
Assert.IsTrue(result);
}
public void ValueType_CompareTo_GivenCCEqualValue_ExpectZero()
{
// Arrange
var cc1 = new CalorieCount(20);
var cc2 = new CalorieCount(20);
// Act
var result = cc1.CompareTo(cc2);
// Assert
Assert.AreEqual(0, result);
}
public void ValueType_CompareTo_GivenCCLesserValue_ExpectNegative()
{
// Arrange
var cc1 = new CalorieCount(10);
var cc2 = new CalorieCount(20);
// Act
var result = cc1.CompareTo(cc2);
// Assert
Assert.IsTrue(result < 0);
}
public void ValueType_CompareToOld_GivenCCGreaterValue_ExpectPositive()
{
// Arrange
var cc1 = new CalorieCount(20);
var cc2 = new CalorieCount(10);
// Act
var result = cc1.CompareTo((object)cc2);
// Assert
Assert.IsTrue(result > 0);
}
public List <CalorieCount> Insert(CalorieCount calorieModel)
{
Uri uri = new Uri(this.BaseWebAPIURL + "CalorieCount");
// the result is always going to be null for now
var result = HttpHelper.PostValues(uri, calorieModel).Result;
if (result != null)
{
List <CalorieCount> counts = JsonConvert.DeserializeObject <List <CalorieCount> >(result);
return(counts);
}
return(null);
}
public bool Insert(HUTModels.CalorieCount model)
{
try
{
CalorieCount count = new CalorieCount()
{
PersonId = model.PersonId, DatetimeEntered = model.DatetimeEntered, Calories = model.Calories
};
repo.Create(count);
repo.Save();
return(true);
}
catch (Exception)
{
return(false);
}
}
public static void Program()
{
string apple = "apple";
string pear = "pear";
//Three possible outcomes (==, <, >)
//Console.WriteLine(apple.CompareTo(pear));
//Console.WriteLine(pear.CompareTo(apple));
//Console.WriteLine(apple.CompareTo(apple));
DisplayOrder(apple, pear);
DisplayOrder(pear, apple);
DisplayOrder(apple, apple);
// all primitives inherit from IComparable<T>
// so our function works
DisplayOrder(3, 4);
DisplayOrder(4, 3);
DisplayOrder(3, 3);
//in this demo, CalorieCount has an obvious, "natural" comparison
CalorieCount cal300 = new CalorieCount(300);
CalorieCount cal400 = new CalorieCount(400);
DisplayOrder(cal300, cal400);
DisplayOrder(cal400, cal300);
DisplayOrder(cal300, cal300);
if (cal300 < cal400)
{
Console.WriteLine("cal300 < call400");
}
// if you overload comparison operators
// you should
// overload equality operators
if (cal300 == cal400)
{
Console.WriteLine("cal300 == cal400");
}
}
