public virtual void TestMostlySet()
{
Directory d = NewDirectory();
int numBits = TestUtil.NextInt(Random(), 30, 1000);
for (int numClear = 0; numClear < 20; numClear++)
{
BitVector bv = new BitVector(numBits);
bv.InvertAll();
int count = 0;
while (count < numClear)
{
int bit = Random().Next(numBits);
// Don't use getAndClear, so that count is recomputed
if (bv.Get(bit))
{
bv.Clear(bit);
count++;
Assert.AreEqual(numBits - count, bv.Count());
}
}
}
d.Dispose();
}
public virtual void TestClearedBitNearEnd()
{
Directory d = NewDirectory();
int numBits = TestUtil.NextInt(Random(), 7, 1000);
BitVector bv = new BitVector(numBits);
bv.InvertAll();
bv.Clear(numBits - TestUtil.NextInt(Random(), 1, 7));
bv.Write(d, "test", NewIOContext(Random()));
Assert.AreEqual(numBits - 1, bv.Count());
d.Dispose();
}