GetHashCode() public method

public GetHashCode ( ) : int
return int
Beispiel #1
0
        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());
        }
Beispiel #2
0
        // 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
        }