public void DrawBucketFill_OutsideRectangle_RectangleFilled()
{
string[] expected = new string[]
{
"----------------------",
"|cccccccccccccccccccc|",
"|ccxxxxxccccccccccccc|",
"|ccx xccccccccccccc|",
"|ccx xccccccccccccc|",
"|ccxxxxxccccccccccccc|",
"----------------------"
};
Canvas canvas = new Canvas(20, 5);
Rectangle rectangle = new Rectangle(3, 2, 7, 5);
canvas.Shapes.Add(rectangle);
canvas.Draw();
BucketFill bucketFillOutsideRectangle = new BucketFill(10, 4, "c");
string[] actual = bucketFillOutsideRectangle.Draw(canvas);
CollectionAssert.AreEqual(expected, actual);
}
public void DrawBucketFill_BottomOnCanvasWithHorizontalLine_BottomSideCanvasFilled()
{
string[] expected = new string[]
{
"----------------------",
"| |",
"| |",
"|xxxxxxxxxxxxxxxxxxxx|",
"|cccccccccccccccccccc|",
"|cccccccccccccccccccc|",
"----------------------"
};
Canvas canvas = new Canvas(20, 5);
Line horizontalLine = new Line(1, 3, 20, 3);
canvas.Shapes.Add(horizontalLine);
canvas.Draw();
BucketFill bucketFillBottomCanvas = new BucketFill(5, 4, "c");
string[] actual = bucketFillBottomCanvas.Draw(canvas);
CollectionAssert.AreEqual(expected, actual);
}
public void DrawBucketFill_OutsideCanvas_ThrowsDrawException()
{
Canvas canvas = new Canvas(20, 5);
canvas.Draw();
BucketFill bucketFillOutsideRectangle = new BucketFill(30, 2, "c");
Action actual = () => bucketFillOutsideRectangle.Draw(canvas);
Exception ex = Assert.ThrowsException <DrawingException>(actual);
Assert.AreEqual(ExceptionMessages.SHAPE_MUST_BE_DRAWN_INSIDE_CANVAS, ex.Message);
}
public void DrawBucketFill_OnAlreadyExistentLine_ThrowsDrawException()
{
Canvas canvas = new Canvas(20, 5);
Line line = new Line(2, 2, 5, 2);
canvas.Shapes.Add(line);
canvas.Draw();
BucketFill bucketFillOutsideRectangle = new BucketFill(3, 2, "c");
Action actual = () => bucketFillOutsideRectangle.Draw(canvas);
Exception ex = Assert.ThrowsException <DrawingException>(actual);
Assert.AreEqual(ExceptionMessages.BUCKET_FILL_MUST_BE_CREATED_ON_EMPTY_POINT, ex.Message);
}
public void DrawBucketFill_EmptyCanvas_CanvasFilled()
{
string[] expected = new string[]
{
"----------------------",
"|cccccccccccccccccccc|",
"|cccccccccccccccccccc|",
"|cccccccccccccccccccc|",
"|cccccccccccccccccccc|",
"----------------------"
};
Canvas canvas = new Canvas(20, 4);
canvas.Draw();
BucketFill bucketFillAllCanvas = new BucketFill(10, 2, "c");
string[] actual = bucketFillAllCanvas.Draw(canvas);
CollectionAssert.AreEqual(expected, actual);
}
public void DrawBucketFill_LeftOnCanvasWithVerticalLine_LeftSideCanvasFilled()
{
string[] expected = new string[]
{
"----------------------",
"|cccccccccx |",
"|cccccccccx |",
"|cccccccccx |",
"|cccccccccx |",
"----------------------"
};
Canvas canvas = new Canvas(20, 4);
Line verticalLine = new Line(10, 1, 10, 4);
canvas.Shapes.Add(verticalLine);
canvas.Draw();
BucketFill bucketFillLeftSide = new BucketFill(5, 3, "c");
string[] actual = bucketFillLeftSide.Draw(canvas);
CollectionAssert.AreEqual(expected, actual);
}