//Test the Disk RotateAtR function
public void DiskRotateAtR()
{
Disk mockDisk = new Disk(GetMockSegments());
int r = 3, absR, relativeR;
int theta = 4, absTheta, relativeTheta;
//getting a segment in relative coor
DiskSegment traceSeg = mockDisk.GetASegment(r, theta);
absR = traceSeg.r;
relativeR = r;
absTheta = traceSeg.theta;
relativeTheta = theta;
Assert.AreEqual(r, traceSeg.r);
Assert.AreEqual(theta, traceSeg.theta);
mockDisk.RotateAtR(r, null);
//after rotation, the trace segment absolute coor should keep the same, but not relative coor.
relativeTheta++;
//Result: the traceSeg abs coor should not change:
Assert.AreEqual(absR, traceSeg.r);
Assert.AreEqual(absTheta, traceSeg.theta);
//Result: getting the Disk's segment with same relative coor should not be traceSeg anymore:
Assert.AreNotEqual(traceSeg, mockDisk.GetASegment(r, theta));
Assert.AreEqual(traceSeg, mockDisk.GetASegment(r, theta + 1));
}
public void DiskGetSegmentAt_R_Theta()
{
Disk testObj = new Disk(GetMockSegments());
DiskSegment temp = testObj.GetASegment(1, 8);
Assert.AreEqual(temp.r, 1);
Assert.AreEqual(temp.theta, 8);
}
