public void getHashCodeTest()
{
Point p1 = new Point(-5, -4);
Point p2 = new Point(5, 4);
Point p3 = new Point(5, 4);
Assert.AreEqual(p2.GetHashCode(), p3.GetHashCode());
Assert.AreEqual(p1.GetHashCode(),p2.GetHashCode());
}
// This method performs the Point operations
public void PerformOperation(object sender, RoutedEventArgs e)
{
var li = sender as RadioButton;
// Strings used to display the results
string syntaxString, resultType, operationString;
// The local variables point1, point2, vector2, etc are defined in each
// case block for readability reasons. Each variable is contained within
// the scope of each case statement.
switch (li?.Name)
{
//begin switch
case "rb1":
{
// Translates a Point by a Vector using the overloaded + operator.
// Returns a Point.
var point1 = new System.Windows.Point(10, 5);
var vector1 = new Vector(20, 30);
var pointResult = point1 + vector1;
// pointResult is equal to (30, 35)
// Note: Adding a Point to a Point is not a legal operation
// Displaying Results
syntaxString = "pointResult = point1 + vector1;";
resultType = "Point";
operationString = "Adding a Point and Vector";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb2":
{
// Translates a Point by a Vector using the static Add method.
// Returns a Point.
var point1 = new System.Windows.Point(10, 5);
var vector1 = new Vector(20, 30);
var pointResult = System.Windows.Point.Add(point1, vector1);
// pointResult is equal to (30, 35)
// Displaying Results
syntaxString = "pointResult = Point.Add(point1, vector1);";
resultType = "Point";
operationString = "Adding a Point and Vector";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb3":
{
// Subtracts a Vector from a Point using the overloaded - operator.
// Returns a Point.
var point1 = new System.Windows.Point(10, 5);
var vector1 = new Vector(20, 30);
var pointResult = point1 - vector1;
// pointResult is equal to (-10, -25)
// Displaying Results
syntaxString = "pointResult = point1 - vector1;";
resultType = "Point";
operationString = "Subtracting a Vector from a Point";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb4":
{
// Subtracts a Vector from a Point using the static Subtract method.
// Returns a Point.
var point1 = new System.Windows.Point(10, 5);
var vector1 = new Vector(20, 30);
var pointResult = System.Windows.Point.Subtract(point1, vector1);
// pointResult is equal to (-10, -25)
// Displaying Results
syntaxString = "pointResult = Point.Subtract(point1, vector1);";
resultType = "Point";
operationString = "Subtracting a Vector from a Point";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb5":
{
// Subtracts a Point from a Point using the overloaded - operator.
// Returns a Vector.
var point1 = new System.Windows.Point(10, 5);
var point2 = new System.Windows.Point(15, 40);
var vectorResult = point1 - point2;
// vectorResult is equal to (-5, -35)
// Displaying Results
syntaxString = "vectorResult = point1 - point2;";
resultType = "Vector";
operationString = "Subtracting a Point from a Point";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb6":
{
// Subtracts a Point from a Point using the static Subtract method.
// Returns a Vector.
var point1 = new System.Windows.Point(10, 5);
var point2 = new System.Windows.Point(15, 40);
var vectorResult = System.Windows.Point.Subtract(point1, point2);
// vectorResult is equal to (-5, -35)
// Displaying Results
syntaxString = "vectorResult = Point.Subtract(point1, point2);";
resultType = "Vector";
operationString = "Subtracting a Point from a Point";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb7":
{
// Offsets the X and Y values of a Point.
var point1 = new System.Windows.Point(10, 5);
point1.Offset(20, 30);
// point1 is equal to (30, 35)
// Note: This operation is equivalent to adding a point
// to vector with the corresponding X,Y values.
// Displaying Results
syntaxString = "point1.Offset(20,30);";
resultType = "Point";
operationString = "Offsetting a Point";
ShowResults(point1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb8":
{
// Multiplies a Point by a Matrix.
// Returns a Point.
var point1 = new System.Windows.Point(10, 5);
var matrix1 = new Matrix(40, 50, 60, 70, 80, 90);
var pointResult = point1 * matrix1;
// pointResult is equal to (780, 940)
// Displaying Results
resultType = "Point";
syntaxString = "pointResult = point1 * matrix1;";
operationString = "Multiplying a Point by a Matrix";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb9":
{
// Multiplies a Point by a Matrix.
// Returns a Point.
var point1 = new System.Windows.Point(10, 5);
var matrix1 = new Matrix(40, 50, 60, 70, 80, 90);
var pointResult = System.Windows.Point.Multiply(point1, matrix1);
// pointResult is equal to (780, 940)
// Displaying Results
resultType = "Point";
syntaxString = "pointResult = Point.Multiply(point1, matrix1);";
operationString = "Multiplying a Point by a Matrix";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb10":
{
// Checks if two Points are equal using the overloaded equality operator.
var point1 = new System.Windows.Point(10, 5);
var point2 = new System.Windows.Point(15, 40);
var areEqual = (point1 == point2);
// areEqual is False
// Displaying Results
syntaxString = "areEqual = (point1 == point2);";
resultType = "Boolean";
operationString = "Checking if two points are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb11":
{
// Checks if two Points are equal using the static Equals method.
var point1 = new System.Windows.Point(10, 5);
var point2 = new System.Windows.Point(15, 40);
var areEqual = System.Windows.Point.Equals(point1, point2);
// areEqual is False
// Displaying Results
syntaxString = "areEqual = Point.Equals(point1, point2);";
resultType = "Boolean";
operationString = "Checking if two points are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb12":
{
// Compares an Object and a Point for equality using the non-static Equals method.
var point1 = new System.Windows.Point(10, 5);
var point2 = new System.Windows.Point(15, 40);
var areEqual = point1.Equals(point2);
// areEqual is False
// Displaying Results
syntaxString = "areEqual = point1.Equals(point2);";
resultType = "Boolean";
operationString = "Checking if two points are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb13":
{
// Compares an Object and a Vector for equality using the non-static Equals method.
var vector1 = new Vector(20, 30);
var vector2 = new Vector(45, 70);
var areEqual = vector1.Equals(vector2);
// areEqual is False
// Displaying Results
syntaxString = "areEqual = vector1.Equals(vector2);";
resultType = "Boolean";
operationString = "Checking if two vectors are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb14":
{
// Converts a string representation of a point into a Point structure
var pointResult = System.Windows.Point.Parse("1,3");
// pointResult is equal to (1, 3)
// Displaying Results
syntaxString = "pointResult = Point.Parse(\"1,3\");";
resultType = "Matrix";
operationString = "Converts a string into a Point structure.";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb15":
{
// Gets a string representation of a Point structure
var point1 = new System.Windows.Point(10, 5);
var pointString = point1.ToString();
// pointString is equal to 10,5
// Displaying Results
syntaxString = "pointString = point1.ToString();";
resultType = "String";
operationString = "Getting the string representation of a Point";
ShowResults(pointString, syntaxString, resultType, operationString);
break;
}
case "rb16":
{
// Gets the hashcode of a Point structure
var point1 = new System.Windows.Point(10, 5);
var pointHashCode = point1.GetHashCode();
// Displaying Results
syntaxString = "pointHashCode = point1.GetHashCode();";
resultType = "int";
operationString = "Getting the hashcode of Point";
ShowResults(pointHashCode.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb17":
{
// Explicitly converts a Point structure into a Size structure
// Returns a Size.
var point1 = new System.Windows.Point(10, 5);
var size1 = (Size)point1;
// size1 has a width of 10 and a height of 5
// Displaying Results
syntaxString = "size1 = (Size)point1;";
resultType = "Size";
operationString = "Expliciting casting a Point into a Size";
ShowResults(size1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb18":
{
// Explicitly converts a Point structure into a Vector structure
// Returns a Vector.
var point1 = new System.Windows.Point(10, 5);
var vector1 = (Vector)point1;
// vector1 is equal to (10,5)
// Displaying Results
syntaxString = "vector1 = (Vector)point1;";
resultType = "Vector";
operationString = "Expliciting casting a Point into a Vector";
ShowResults(vector1.ToString(), syntaxString, resultType, operationString);
break;
}
// task example. Not accessed through radio buttons
case "rb20":
{
// Checks if two Points are not equal using the overloaded inequality operator.
// Declaring point1 and initializing x,y values
var point1 = new System.Windows.Point(10, 5);
// Declaring point2 without initializing x,y values
var point2 = new System.Windows.Point
{
X = 15,
Y = 40
};
// Boolean to hold the result of the comparison
// assigning values to point2
// checking for inequality
var areNotEqual = (point1 != point2);
// areNotEqual is True
// Displaying Results
syntaxString = "areNotEqual = (point1 != point2);";
resultType = "Boolean";
operationString = "Checking if two points are not equal";
ShowResults(areNotEqual.ToString(), syntaxString, resultType, operationString);
break;
}
} //end switch
}
// This method performs the Point operations
public void PerformOperation(object sender, RoutedEventArgs e)
{
RadioButton li = sender as RadioButton;
// Strings used to display the results
String syntaxString, resultType, operationString;
// The local variables point1, point2, vector2, etc are defined in each
// case block for readability reasons. Each variable is contained within
// the scope of each case statement.
switch (li.Name)
{ //begin switch
case "rb1":
{
// Translates a Point by a Vector using the overloaded + operator.
// Returns a Point.
Point point1 = new Point(10, 5);
Vector vector1 = new Vector(20, 30);
Point pointResult = new Point();
pointResult = point1 + vector1;
// pointResult is equal to (30, 35)
// Note: Adding a Point to a Point is not a legal operation
// Displaying Results
syntaxString = "pointResult = point1 + vector1;";
resultType = "Point";
operationString = "Adding a Point and Vector";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb2":
{
// Translates a Point by a Vector using the static Add method.
// Returns a Point.
Point point1 = new Point(10, 5);
Vector vector1 = new Vector(20, 30);
Point pointResult = new Point();
pointResult = Point.Add(point1, vector1);
// pointResult is equal to (30, 35)
// Displaying Results
syntaxString = "pointResult = Point.Add(point1, vector1);";
resultType = "Point";
operationString = "Adding a Point and Vector";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb3":
{
// Subtracts a Vector from a Point using the overloaded - operator.
// Returns a Point.
Point point1 = new Point(10, 5);
Vector vector1 = new Vector(20, 30);
Point pointResult = new Point();
pointResult = point1 - vector1;
// pointResult is equal to (-10, -25)
// Displaying Results
syntaxString = "pointResult = point1 - vector1;";
resultType = "Point";
operationString = "Subtracting a Vector from a Point";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb4":
{
// Subtracts a Vector from a Point using the static Subtract method.
// Returns a Point.
Point point1 = new Point(10, 5);
Vector vector1 = new Vector(20, 30);
Point pointResult = new Point();
pointResult = Point.Subtract(point1, vector1);
// pointResult is equal to (-10, -25)
// Displaying Results
syntaxString = "pointResult = Point.Subtract(point1, vector1);";
resultType = "Point";
operationString = "Subtracting a Vector from a Point";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb5":
{
// Subtracts a Point from a Point using the overloaded - operator.
// Returns a Vector.
Point point1 = new Point(10, 5);
Point point2 = new Point(15, 40);
Vector vectorResult = new Vector();
vectorResult = point1 - point2;
// vectorResult is equal to (-5, -35)
// Displaying Results
syntaxString = "vectorResult = point1 - point2;";
resultType = "Vector";
operationString = "Subtracting a Point from a Point";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb6":
{
// Subtracts a Point from a Point using the static Subtract method.
// Returns a Vector.
Point point1 = new Point(10, 5);
Point point2 = new Point(15, 40);
Vector vectorResult = new Vector();
vectorResult = Point.Subtract(point1, point2);
// vectorResult is equal to (-5, -35)
// Displaying Results
syntaxString = "vectorResult = Point.Subtract(point1, point2);";
resultType = "Vector";
operationString = "Subtracting a Point from a Point";
ShowResults(vectorResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb7":
{
// Offsets the X and Y values of a Point.
Point point1 = new Point(10, 5);
point1.Offset(20, 30);
// point1 is equal to (30, 35)
// Note: This operation is equivalent to adding a point
// to vector with the corresponding X,Y values.
// Displaying Results
syntaxString = "point1.Offset(20,30);";
resultType = "Point";
operationString = "Offsetting a Point";
ShowResults(point1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb8":
{
// Multiplies a Point by a Matrix.
// Returns a Point.
Point point1 = new Point(10, 5);
Point pointResult = new Point();
Matrix matrix1 = new Matrix(40, 50, 60, 70, 80, 90);
pointResult = point1 * matrix1;
// pointResult is equal to (780, 940)
// Displaying Results
resultType = "Point";
syntaxString = "pointResult = point1 * matrix1;";
operationString = "Multiplying a Point by a Matrix";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb9":
{
// Multiplies a Point by a Matrix.
// Returns a Point.
Point point1 = new Point(10, 5);
Point pointResult = new Point();
Matrix matrix1 = new Matrix(40, 50, 60, 70, 80, 90);
pointResult = Point.Multiply(point1, matrix1);
// pointResult is equal to (780, 940)
// Displaying Results
resultType = "Point";
syntaxString = "pointResult = Point.Multiply(point1, matrix1);";
operationString = "Multiplying a Point by a Matrix";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb10":
{
// Checks if two Points are equal using the overloaded equality operator.
Point point1 = new Point(10, 5);
Point point2 = new Point(15, 40);
Boolean areEqual;
areEqual = (point1 == point2);
// areEqual is False
// Displaying Results
syntaxString = "areEqual = (point1 == point2);";
resultType = "Boolean";
operationString = "Checking if two points are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb11":
{
// Checks if two Points are equal using the static Equals method.
Point point1 = new Point(10, 5);
Point point2 = new Point(15, 40);
Boolean areEqual;
areEqual = Point.Equals(point1, point2);
// areEqual is False
// Displaying Results
syntaxString = "areEqual = Point.Equals(point1, point2);";
resultType = "Boolean";
operationString = "Checking if two points are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb12":
{
// Compares an Object and a Point for equality using the non-static Equals method.
Point point1 = new Point(10, 5);
Point point2 = new Point(15, 40);
Boolean areEqual;
areEqual = point1.Equals(point2);
// areEqual is False
// Displaying Results
syntaxString = "areEqual = point1.Equals(point2);";
resultType = "Boolean";
operationString = "Checking if two points are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb13":
{
// Compares an Object and a Vector for equality using the non-static Equals method.
Vector vector1 = new Vector(20, 30);
Vector vector2 = new Vector(45, 70);
Boolean areEqual;
areEqual = vector1.Equals(vector2);
// areEqual is False
// Displaying Results
syntaxString = "areEqual = vector1.Equals(vector2);";
resultType = "Boolean";
operationString = "Checking if two vectors are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb14":
{
// Converts a string representation of a point into a Point structure
Point pointResult = new Point();
pointResult = Point.Parse("1,3");
// pointResult is equal to (1, 3)
// Displaying Results
syntaxString = "pointResult = Point.Parse(\"1,3\");";
resultType = "Matrix";
operationString = "Converts a string into a Point structure.";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb15":
{
// Gets a string representation of a Point structure
Point point1 = new Point(10, 5);
String pointString;
pointString = point1.ToString();
// pointString is equal to 10,5
// Displaying Results
syntaxString = "pointString = point1.ToString();";
resultType = "String";
operationString = "Getting the string representation of a Point";
ShowResults(pointString.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb16":
{
// Gets the hashcode of a Point structure
Point point1 = new Point(10, 5);
int pointHashCode;
pointHashCode = point1.GetHashCode();
// Displaying Results
syntaxString = "pointHashCode = point1.GetHashCode();";
resultType = "int";
operationString = "Getting the hashcode of Point";
ShowResults(pointHashCode.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb17":
{
// Explicitly converts a Point structure into a Size structure
// Returns a Size.
Point point1 = new Point(10, 5);
Size size1 = new Size();
size1 = (Size)point1;
// size1 has a width of 10 and a height of 5
// Displaying Results
syntaxString = "size1 = (Size)point1;";
resultType = "Size";
operationString = "Expliciting casting a Point into a Size";
ShowResults(size1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb18":
{
// Explicitly converts a Point structure into a Vector structure
// Returns a Vector.
Point point1 = new Point(10, 5);
Vector vector1 = new Vector();
vector1 = (Vector)point1;
// vector1 is equal to (10,5)
// Displaying Results
syntaxString = "vector1 = (Vector)point1;";
resultType = "Vector";
operationString = "Expliciting casting a Point into a Vector";
ShowResults(vector1.ToString(), syntaxString, resultType, operationString);
break;
}
// task example. Not accessed through radio buttons
case "rb20":
{
// Checks if two Points are not equal using the overloaded inequality operator.
// Declaring point1 and initializing x,y values
Point point1 = new Point(10, 5);
// Declaring point2 without initializing x,y values
Point point2 = new Point();
// Boolean to hold the result of the comparison
Boolean areNotEqual;
// assigning values to point2
point2.X = 15;
point2.Y = 40;
// checking for inequality
areNotEqual = (point1 != point2);
// areNotEqual is True
// Displaying Results
syntaxString = "areNotEqual = (point1 != point2);";
resultType = "Boolean";
operationString = "Checking if two points are not equal";
ShowResults(areNotEqual.ToString(), syntaxString, resultType, operationString);
break;
}
default:
break;
} //end switch
}