public void testSetPositionPastStream()
{
IndexedNumsStream ins = new IndexedNumsStream(10);
ins.Seek(999, System.IO.SeekOrigin.End);
Assert.AreEqual(ins.Position, ins.Length);
}
public void testStreamLeftToRead()
{
IndexedNumsStream ins = new IndexedNumsStream(7);
byte[] buffer = new byte[100];
ins.Seek(4, System.IO.SeekOrigin.Begin);
int nBytes = ins.Read(buffer, 0, 7);
Assert.AreEqual(3, nBytes);
}
public void testEndOfStream()
{
IndexedNumsStream ins = new IndexedNumsStream(600);
byte[] buffer = new byte[100];
ins.Seek(0, System.IO.SeekOrigin.End);
int actual = ins.Read(buffer, 10, 10);
Assert.AreEqual(0, actual);
}
public void testSeekBegin()
{
IndexedNumsStream ins = new IndexedNumsStream(600);
System.IO.SeekOrigin origin = System.IO.SeekOrigin.Begin;
//1)
long newPosition = ins.Seek(999, origin);
Assert.AreEqual(newPosition, 600);
//2)
newPosition = ins.Seek(-9999, origin);
Assert.AreEqual(0, newPosition);
//3)
//position should now be at 0.
newPosition = ins.Seek(50, origin);
Assert.AreEqual(50, newPosition);
}