public void TestRotate5()
{
//Test rotating -270deg is the same as rotating +90 deg
int[] rows = { 1, 2, 4 };
int[] cols = { 2, 7, 11 };
int width = 20;
int height = 5;
Segmentation s90 = new Segmentation((int[])rows.Clone(), (int[])cols.Clone(), width, height); //Deep copy the arrays so the segmentations have different copies
Segmentation sMinus270 = new Segmentation(rows, cols, width, height);
s90.Rotate(90);
sMinus270.Rotate(-270);
CollectionAssert.AreEqual(s90.Rows, sMinus270.Rows);
CollectionAssert.AreEqual(s90.Cols, sMinus270.Cols);
Assert.AreEqual(s90.Width, sMinus270.Width);
Assert.AreEqual(s90.Height, sMinus270.Height);
}
public void TestRotate4()
{
//Test rotating 180 deg
int[] rows = { 1, 2, 4 };
int[] cols = { 2, 7, 11 };
int width = 25;
int height = 15;
Segmentation s = new Segmentation(rows, cols, width, height);
int[] expectedRows = { 10, 12, 13 };
int[] expectedCols = { 13, 17, 22 };
int expectedWidth = 25;
int expectedHeight = 15;
s.Rotate(180);
CollectionAssert.AreEqual(expectedRows, s.Rows);
CollectionAssert.AreEqual(expectedCols, s.Cols);
Assert.AreEqual(expectedWidth, s.Width);
Assert.AreEqual(expectedHeight, s.Height);
}
public void TestRotate2()
{
//Check a rotation returns back to itself when rotated 360 deg
int[] rows = { 324, 563463, 43543212 };
int[] cols = { 5 };
int width = 6;
int height = int.MaxValue;
Segmentation s = new Segmentation(rows, cols, width, height);
s.Rotate(360);
int[] expectedRows = { 324, 563463, 43543212 };
int[] expectedCols = { 5 };
int expectedWidth = 6;
int expectedHeight = int.MaxValue;
CollectionAssert.AreEqual(expectedRows, rows);
CollectionAssert.AreEqual(expectedCols, cols);
Assert.AreEqual(expectedWidth, s.Width);
Assert.AreEqual(expectedHeight, s.Height);
}
public void TestRotate3()
{
//Check that rotations can only take place around 90 degrees
Segmentation s = new Segmentation(10, 10, 20, 20);
try
{
s.Rotate(5);
//No Exception: Fail
Assert.Fail();
}
catch(ArgumentException)
{
//Correct exception: Pass
}
catch(Exception)
{
//Wrong type of exception: Fail
Assert.Fail();
}
}
public void TestRotate1()
{
//Basic test - gives expected output for a rotation through 90 degrees
int[] rows = { 1, 2, 4 };
int[] cols = { 2, 7, 11 };
int width = 20;
int height = 5;
Segmentation s = new Segmentation(rows, cols, width, height);
int[] expectedRows = { 2, 7, 11 };
int[] expectedCols = { 0, 2, 3 };
int expectedWidth = 5;
int expectedHeight = 20;
s.Rotate(90);
CollectionAssert.AreEqual(expectedRows, s.Rows);
CollectionAssert.AreEqual(expectedCols, s.Cols);
Assert.AreEqual(expectedWidth, s.Width);
Assert.AreEqual(expectedHeight, s.Height);
}