public int CompareTo(FdbKeyRange other)
{
int c = m_begin.CompareTo(other.m_begin);
if (c == 0)
{
c = m_end.CompareTo(other.m_end);
}
return(c);
}
/// <summary>Test if <paramref name="key"/> is contained inside the range</summary>
/// <param name="key">Key that will be compared with the the range's bounds</param>
/// <param name="endIncluded">If true, the End bound is inclusive, otherwise it is exclusive</param>
/// <returns>-1 if key is less than the lower bound of the range (<paramref name="key"/> < Begin), +1 if the key is greater or equal to the higher bound of the range (<paramref name="key"/> >= End) or 0 if it is inside the range (Begin <= <paramref name="key"/> < End)</returns>
public int Test(Slice key, bool endIncluded = false)
{
// note: if the range is empty (Begin = End = Slice.Empty) then it should return 0
if (m_begin.IsPresent && key.CompareTo(m_begin) < 0)
{
return(-1);
}
if (m_end.IsPresent && key.CompareTo(m_end) >= (endIncluded ? 1 : 0))
{
return(+1);
}
return(0);
}
public void TestCompareTo()
{
Slice slice = new byte[] { 0x01, 0x02 };
sliceTest = new byte[] { 0x01, 0x02 };
int result = sliceTest.CompareTo(slice);
Assert.AreEqual(0, result);
sliceTest = new byte[] { 0x01 };
result = sliceTest.CompareTo(slice);
Assert.AreEqual(-1, result);
sliceTest = new byte[] { 0x01, 0x02, 0x03 };
result = sliceTest.CompareTo(slice);
Assert.AreEqual(1, result);
sliceTest = new byte[] { 0x01, 0x03 };
result = sliceTest.CompareTo(slice);
Assert.AreEqual(1, result);
sliceTest = new byte[] { 0x01, 0x01 };
result = sliceTest.CompareTo(slice);
Assert.AreEqual(-1, result);
}
/// <summary>Returns true, if the key is contained in the range</summary>
/// <param name="key"></param>
/// <returns></returns>
public bool Contains(Slice key)
{
return(key.CompareTo(m_begin) >= 0 && key.CompareTo(m_end) < 0);
}