public override IMutableBits NewLiveDocs(int size)
{
BitVector bitVector = new BitVector(size);
bitVector.InvertAll();
return(bitVector);
}
public virtual void TestMostlySet()
{
Directory d = NewDirectory();
int numBits = TestUtil.NextInt32(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();
}
private void DoTestDgaps(int size, int count1, int count2)
{
MockDirectoryWrapper d = new MockDirectoryWrapper(Random, new RAMDirectory());
d.PreventDoubleWrite = false;
BitVector bv = new BitVector(size);
bv.InvertAll();
for (int i = 0; i < count1; i++)
{
bv.Clear(i);
Assert.AreEqual(i + 1, size - bv.Count());
}
bv.Write(d, "TESTBV", NewIOContext(Random));
// gradually increase number of set bits
for (int i = count1; i < count2; i++)
{
BitVector bv2 = new BitVector(d, "TESTBV", NewIOContext(Random));
Assert.IsTrue(DoCompare(bv, bv2));
bv = bv2;
bv.Clear(i);
Assert.AreEqual(i + 1, size - bv.Count());
bv.Write(d, "TESTBV", NewIOContext(Random));
}
// now start decreasing number of set bits
for (int i = count2 - 1; i >= count1; i--)
{
BitVector bv2 = new BitVector(d, "TESTBV", NewIOContext(Random));
Assert.IsTrue(DoCompare(bv, bv2));
bv = bv2;
bv.Set(i);
Assert.AreEqual(i, size - bv.Count());
bv.Write(d, "TESTBV", NewIOContext(Random));
}
}
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();
}
public virtual void TestClearedBitNearEnd()
{
Directory d = NewDirectory();
int numBits = TestUtil.NextInt32(Random, 7, 1000);
BitVector bv = new BitVector(numBits);
bv.InvertAll();
bv.Clear(numBits - TestUtil.NextInt32(Random, 1, 7));
bv.Write(d, "test", NewIOContext(Random));
Assert.AreEqual(numBits - 1, bv.Count());
d.Dispose();
}
public virtual void TestSparseWrite()
{
Directory d = NewDirectory();
const int numBits = 10240;
BitVector bv = new BitVector(numBits);
bv.InvertAll();
int numToClear = Random.Next(5);
for (int i = 0; i < numToClear; i++)
{
bv.Clear(Random.Next(numBits));
}
bv.Write(d, "test", NewIOContext(Random));
long size = d.FileLength("test");
Assert.IsTrue(size < 100, "size=" + size);
d.Dispose();
}
private void DoTestDgaps(int size, int count1, int count2)
{
MockDirectoryWrapper d = new MockDirectoryWrapper(Random(), new RAMDirectory());
d.PreventDoubleWrite = false;
BitVector bv = new BitVector(size);
bv.InvertAll();
for (int i = 0; i < count1; i++)
{
bv.Clear(i);
Assert.AreEqual(i + 1, size - bv.Count());
}
bv.Write(d, "TESTBV", NewIOContext(Random()));
// gradually increase number of set bits
for (int i = count1; i < count2; i++)
{
BitVector bv2 = new BitVector(d, "TESTBV", NewIOContext(Random()));
Assert.IsTrue(DoCompare(bv, bv2));
bv = bv2;
bv.Clear(i);
Assert.AreEqual(i + 1, size - bv.Count());
bv.Write(d, "TESTBV", NewIOContext(Random()));
}
// now start decreasing number of set bits
for (int i = count2 - 1; i >= count1; i--)
{
BitVector bv2 = new BitVector(d, "TESTBV", NewIOContext(Random()));
Assert.IsTrue(DoCompare(bv, bv2));
bv = bv2;
bv.Set(i);
Assert.AreEqual(i, size - bv.Count());
bv.Write(d, "TESTBV", NewIOContext(Random()));
}
}
public virtual void TestSparseWrite()
{
Directory d = NewDirectory();
const int numBits = 10240;
BitVector bv = new BitVector(numBits);
bv.InvertAll();
int numToClear = Random().Next(5);
for (int i = 0; i < numToClear; i++)
{
bv.Clear(Random().Next(numBits));
}
bv.Write(d, "test", NewIOContext(Random()));
long size = d.FileLength("test");
Assert.IsTrue(size < 100, "size=" + size);
d.Dispose();
}
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 override MutableBits NewLiveDocs(int size)
{
BitVector bitVector = new BitVector(size);
bitVector.InvertAll();
return bitVector;
}
