public void Branch_moves_to_collision_free_location_instead_of_rotated_location_when_there_is_a_collision()
{
// Given
CreateMockFactory();
var collisionFreeLocation = new System.Windows.Point(999, 999);
_mockCollisionDetector.Setup(m => m.GetNearestFreeLocation(It.IsAny <IslandShape>(),
It.IsAny <IslandShape>())).Returns(collisionFreeLocation); // forcing a collision
var unused = 0.0;
var width = 1000;
var height = 2000;
var viewControlData = new ViewControlData(unused, unused, unused, width, height);
var releaseBranchName = "ReleaseBranch";
var unusedColour = Color.FromRgb(255, 255, 255);
var releaseArchipelago = new Branch(releaseBranchName, unusedColour);
Islands islands = new Islands(viewControlData, releaseArchipelago);
var branch = new Branch("mr branch", unusedColour);
branch.Distance = 50;
islands.Add(branch);
// When
islands.MoveAll();
// Then
var branchCentre = branch.Shape.CentrePoint;
Assert.AreEqual(collisionFreeLocation.X, branchCentre.X);
Assert.AreEqual(collisionFreeLocation.Y, branchCentre.Y);
}
public void Moving_with_one_island_added_moves_the_island()
{
// Given
var unused = 0.0;
var width = 100;
var height = 200;
var viewControlData = new ViewControlData(unused, unused, unused, width, height);
var releaseBranchName = "ReleaseBranch";
var unusedColour = Color.FromRgb(255, 255, 255);
var releaseArchipelago = new Branch(releaseBranchName, unusedColour);
Islands islands = new Islands(viewControlData, releaseArchipelago);
var newBranchName = "bob";
var newBranch = new Branch(newBranchName, unusedColour);
islands.Add(newBranch);
// the island has never been moved
Assert.AreEqual(0.0, newBranch.Shape.CentrePoint.X);
Assert.AreEqual(0.0, newBranch.Shape.CentrePoint.Y);
// When
islands.MoveAll();
// Then
Assert.AreNotEqual(0.0, newBranch.Shape.CentrePoint.X);
Assert.AreNotEqual(0.0, newBranch.Shape.CentrePoint.Y);
}
public void Moving_multiple_islands_with_distances_set_does_not_set_their_positions_to_be_the_same()
{
// Given
var unused = 0.0;
var width = 1000;
var height = 2000;
var viewControlData = new ViewControlData(unused, unused, unused, width, height);
var releaseBranchName = "ReleaseBranch";
var unusedColour = Color.FromRgb(255, 255, 255);
var releaseArchipelago = new Branch(releaseBranchName, unusedColour);
Islands islands = new Islands(viewControlData, releaseArchipelago);
var newBranchOne = new Branch("bob", unusedColour);
var newBranchTwo = new Branch("ben", unusedColour);
var newBranchThree = new Branch("bill", unusedColour);
newBranchOne.Distance = 10;
newBranchTwo.Distance = 20;
newBranchThree.Distance = 30;
islands.Add(newBranchOne);
islands.Add(newBranchTwo);
islands.Add(newBranchThree);
// When
islands.MoveAll();
// Then
List <Branch> islandArray = new List <Branch>(new Branch[]
{
newBranchOne,
newBranchTwo,
newBranchThree
}
);
foreach (var island in islandArray)
{
var otherIslands = islandArray.Where(b => b != island);
foreach (var comparingIsland in otherIslands)
{
Assert.AreNotEqual(comparingIsland.Shape.CentrePoint.X, island.Shape.CentrePoint.X);
Assert.AreNotEqual(comparingIsland.Shape.CentrePoint.Y, island.Shape.CentrePoint.Y);
}
}
}
public void Moving_with_multiple_islands_added_moves_the_islands()
{
// Given
var unused = 0.0;
var width = 100;
var height = 200;
var viewControlData = new ViewControlData(unused, unused, unused, width, height);
var releaseBranchName = "ReleaseBranch";
var unusedColour = Color.FromRgb(255, 255, 255);
var releaseArchipelago = new Branch(releaseBranchName, unusedColour);
Islands islands = new Islands(viewControlData, releaseArchipelago);
var newBranchNameOne = "bob";
var newBranchOne = new Branch(newBranchNameOne, unusedColour);
islands.Add(newBranchOne);
var newBranchNameTwo = "ben";
var newBranchTwo = new Branch(newBranchNameTwo, unusedColour);
islands.Add(newBranchTwo);
var newBranchNameThree = "bill";
var newBranchThree = new Branch(newBranchNameThree, unusedColour);
islands.Add(newBranchThree);
Assert.AreEqual(0.0, newBranchOne.Shape.CentrePoint.X);
Assert.AreEqual(0.0, newBranchOne.Shape.CentrePoint.Y);
Assert.AreEqual(0.0, newBranchTwo.Shape.CentrePoint.X);
Assert.AreEqual(0.0, newBranchTwo.Shape.CentrePoint.Y);
Assert.AreEqual(0.0, newBranchThree.Shape.CentrePoint.X);
Assert.AreEqual(0.0, newBranchThree.Shape.CentrePoint.Y);
// When
islands.MoveAll();
// Then
Assert.AreNotEqual(0.0, newBranchOne.Shape.CentrePoint.X);
Assert.AreNotEqual(0.0, newBranchOne.Shape.CentrePoint.Y);
Assert.AreNotEqual(0.0, newBranchTwo.Shape.CentrePoint.X);
Assert.AreNotEqual(0.0, newBranchTwo.Shape.CentrePoint.Y);
Assert.AreNotEqual(0.0, newBranchThree.Shape.CentrePoint.X);
Assert.AreNotEqual(0.0, newBranchThree.Shape.CentrePoint.Y);
}
public void Branch_moves_to_rotated_location_when_there_is_no_collision()
{
// Given
CreateMockFactory();
var unused = 0.0;
var width = 1000;
var height = 2000;
var viewControlData = new ViewControlData(unused, unused, unused, width, height);
var releaseBranchName = "ReleaseBranch";
var unusedColour = Color.FromRgb(255, 255, 255);
var releaseArchipelago = new Branch(releaseBranchName, unusedColour);
Islands islands = new Islands(viewControlData, releaseArchipelago);
var branch = new Branch("mr branch", unusedColour);
branch.Distance = 50;
islands.Add(branch);
_mockCollisionDetector.Setup(m => m.GetNearestFreeLocation(It.IsAny <IslandShape>(),
It.IsAny <IslandShape>())).Returns(
(IslandShape possibleCollidingIslandShapeParameterPassedIn,
IslandShape releaseArchipelagoIslandShapeParameterPassedIn) =>
possibleCollidingIslandShapeParameterPassedIn.CentrePoint); // there is no collision, always returns given location
// When
islands.MoveAll();
// Then
var expectedRotatedLocation = new System.Windows.Point(
(branch.Distance * viewControlData.PixelsPerArchipelagoUnitDistance) + viewControlData.CentrePoint.X,
viewControlData.CentrePoint.Y);
var branchCentre = branch.Shape.CentrePoint;
Assert.AreEqual(expectedRotatedLocation.X, branchCentre.X);
Assert.AreEqual(expectedRotatedLocation.Y, branchCentre.Y);
}
public void Moving_four_islands_with_distances_set_moves_each_island_to_a_corner()
{
// Given
var unused = 0.0;
var width = 1000;
var height = 2000;
var viewControlData = new ViewControlData(unused, unused, unused, width, height);
var releaseBranchName = "ReleaseBranch";
var unusedColour = Color.FromRgb(255, 255, 255);
var releaseArchipelago = new Branch(releaseBranchName, unusedColour);
Islands islands = new Islands(viewControlData, releaseArchipelago);
var rightBranch = new Branch("right", unusedColour);
var bottomBranch = new Branch("bottom", unusedColour);
var leftBranch = new Branch("left", unusedColour);
var topBranch = new Branch("top", unusedColour);
rightBranch.Distance = 50;
bottomBranch.Distance = 50;
leftBranch.Distance = 50;
topBranch.Distance = 50;
// Locations are determinted by the order in which they're added, as we use the index of the
// underlying list.
/*
* -------------------
| 4 |
| |
| |
| 3 C 1 |
| |
| |
| 2 |
| -------------------
*/
islands.Add(rightBranch); // 1
islands.Add(bottomBranch); // 2
islands.Add(leftBranch); // 3
islands.Add(topBranch); // 4
// When
islands.MoveAll();
// Then
var centre = viewControlData.CentrePoint;
var rightBranchCentre = rightBranch.Shape.CentrePoint;
rightBranchCentre.X = Math.Round(rightBranchCentre.X, 0, MidpointRounding.AwayFromZero); // There may be some very small inaccuracy
rightBranchCentre.Y = Math.Round(rightBranchCentre.Y, 0, MidpointRounding.AwayFromZero); // when we do the rotation.
var isOnPositiveXRelativeToCentre = (rightBranchCentre.X > centre.X);
var isOnEqualYToCentre = (rightBranchCentre.Y == centre.Y);
var rightBranchIsOnTheRight = (isOnPositiveXRelativeToCentre && isOnEqualYToCentre);
Assert.IsTrue(rightBranchIsOnTheRight, "rightBranchIsOnTheRight");
var bottomBranchCentre = bottomBranch.Shape.CentrePoint;
bottomBranchCentre.X = Math.Round(bottomBranchCentre.X, 0, MidpointRounding.AwayFromZero);
bottomBranchCentre.Y = Math.Round(bottomBranchCentre.Y, 0, MidpointRounding.AwayFromZero);
var isOnEqualXToCentre = (bottomBranchCentre.X == centre.X);
var isOnPositiveYRelativeToCentre = (bottomBranchCentre.Y > centre.Y);
var bottomBranchIsOnTheBottom = (isOnEqualXToCentre && isOnPositiveYRelativeToCentre);
Assert.IsTrue(bottomBranchIsOnTheBottom, "bottomBranchIsOnTheBottom");
var leftBranchCentre = leftBranch.Shape.CentrePoint;
leftBranchCentre.X = Math.Round(leftBranchCentre.X, 0, MidpointRounding.AwayFromZero);
leftBranchCentre.Y = Math.Round(leftBranchCentre.Y, 0, MidpointRounding.AwayFromZero);
isOnPositiveXRelativeToCentre = (leftBranchCentre.X > centre.X);
isOnEqualYToCentre = (leftBranchCentre.Y == centre.Y);
var leftBranchIsOnTheLeft = (!isOnPositiveXRelativeToCentre && isOnEqualYToCentre);
Assert.IsTrue(leftBranchIsOnTheLeft, "leftBranchIsOnTheLeft");
var topBranchCentre = topBranch.Shape.CentrePoint;
topBranchCentre.X = Math.Round(topBranchCentre.X, 0, MidpointRounding.AwayFromZero);
topBranchCentre.Y = Math.Round(topBranchCentre.Y, 0, MidpointRounding.AwayFromZero);
isOnEqualXToCentre = (topBranchCentre.X == centre.X);
var isOnNegativeYRelativeToCentre = (topBranchCentre.Y < centre.Y);
var topBranchIsOnTheTop = (isOnNegativeYRelativeToCentre && isOnEqualXToCentre);
Assert.IsTrue(topBranchIsOnTheTop, "topBranchIsOnTheTop");
}
