public void ShouldNotRecognizeInvalidTouchpoints()
{
// Arrange
var samplesInvalid = new List <List <Point2D> > {
new List <Point2D> {
new Point2D(303, 152),
new Point2D(379, 577),
new Point2D(368, 171),
new Point2D(368, 285)
},
new List <Point2D> {
new Point2D(1473, 235),
new Point2D(1417, 328),
new Point2D(1563, 340),
new Point2D(1624, 263)
}
};
// System Under Test
var api = new TouchcodeAPI();
// Act + Assert
foreach (var sample in samplesInvalid)
{
Assert.AreEqual(Touchcode.None, api.Check(sample));
}
}
public void ShouldGetReferenceSystemRotated135Degrees()
{
// Arrange
var touchpoints = new List <Point2D> {
new Point2D(0, 0),
new Point2D(0, 3),
new Point2D(3, 3),
new Point2D(1, 2),
new Point2D(1, 1)
};
// Arrange
var origin = touchpoints[1];
var expectedVx = touchpoints[0] - origin;
var expectedVy = touchpoints[2] - origin;
// System Under Test
var api = new TouchcodeAPI();
// Act
var referenceSystem = api.ExtractReferenceSystemFrom(touchpoints);
// Assert
Assert.AreEqual(origin, referenceSystem.Origin);
Assert.AreEqual(expectedVx, referenceSystem.Vx);
Assert.AreEqual(expectedVy, referenceSystem.Vy);
}
public void ShouldRecognizeTouchcode0x10()
{
// System Under Test
var api = new TouchcodeAPI();
// Act + Assert
foreach (var sample in _samples0x10)
{
Assert.AreEqual(0x10, api.Check(sample).Value);
}
}
public MainWindow()
{
InitializeComponent();
_touchcodeAPI = new TouchcodeAPI();
_currentTouchcode = Touchcode.None;
_canvas = CreateTouchcodeVisualization();
canvas.Children.Add(_canvas);
Redraw();
}
public void ShouldReturnDefaultTouchcodeForNull()
{
// Arrange
List <Point2D> touchpoints = null;
// System Under Test
var api = new TouchcodeAPI();
// Act
var touchcode = api.Check(touchpoints);
// Assert
Assert.AreEqual(touchcode, Touchcode.None);
}
public void ShouldRecongizeEmptyTouchcode()
{
// Arrange
var touchpoints = new List <Point2D>();
var referenceSystem = new ReferenceSystem(new Point2D(0, 0), new Vector2D(3, 0), new Vector2D(0, 3));
// System Under Test
var api = new TouchcodeAPI();
// Act
var touchcode = referenceSystem.MapPointsToTouchcode(touchpoints).Value;
// Assert
Assert.AreEqual(touchcode, 0);
}
public void ShouldRecognizeTouchcode0x001()
{
// Arrange
List <Point2D> points = new List <Point2D> {
new Point2D(306, 501),
new Point2D(300, 647),
new Point2D(445, 660),
new Point2D(362, 507)
};
// System Under Test
var api = new TouchcodeAPI();
// Act
var touchcode = api.Check(points);
// Assert
Assert.AreEqual(0x001, touchcode.Value);
}
public void ShouldMirrorCoordinatesAlongXAxis(double xBefore, double yBefore, double xAfter, double yAfter)
{
// Arrange
int maxY = 1080;
var touchpoints = new List <Point2D> {
new Point2D(xBefore, yBefore)
};
// System Under Test
var api = new TouchcodeAPI();
// Act
var mirroredPoints = api.MirrorX(touchpoints, maxY);
// Assert
Assert.AreEqual(mirroredPoints[0].X, xAfter);
Assert.AreEqual(mirroredPoints[0].Y, yAfter);
}
public void ShouldGetReferenceSystemForSamples0x10()
{
// System Under Test
var api = new TouchcodeAPI();
foreach (var sample in _samples0x10)
{
// Arrange
var origin = sample[3];
var expectedVx = sample[1] - origin;
var expectedVy = sample[0] - origin;
// Act
var referenceSystem = api.ExtractReferenceSystemFrom(sample);
// Assert
Assert.AreEqual(origin, referenceSystem.Origin);
Assert.AreEqual(expectedVx, referenceSystem.Vx);
Assert.AreEqual(expectedVy, referenceSystem.Vy);
}
}
public void ShouldGetReferenceSystemSimple()
{
// Arrange
var touchpoints = new List <Point2D> {
new Point2D(0, 0),
new Point2D(3, 0),
new Point2D(0, 3),
new Point2D(1, 1),
new Point2D(2, 2),
};
// System Under Test
var api = new TouchcodeAPI();
// Act
var referenceSystem = api.ExtractReferenceSystemFrom(touchpoints);
// Assert
Assert.AreEqual(touchpoints[0], referenceSystem.Origin);
Assert.AreEqual(touchpoints[1].ToVector2D(), referenceSystem.Vx);
Assert.AreEqual(touchpoints[2].ToVector2D(), referenceSystem.Vy);
}
public void ShouldReturnDefaultTouchcodeForLessThanThreeTouchpoints()
{
// Arrange
List <Point2D> touchpoints = new List <Point2D>();
// System Under Test
var api = new TouchcodeAPI();
// Act
var touchcode = api.Check(touchpoints);
// Assert
Assert.AreEqual(touchcode, Touchcode.None);
touchpoints.Add(new Point2D(0, 0));
touchcode = api.Check(touchpoints);
Assert.AreEqual(touchcode, Touchcode.None);
touchpoints.Add(new Point2D(0, 0));
touchcode = api.Check(touchpoints);
Assert.AreEqual(touchcode, Touchcode.None);
}
