private void DoTestCountVectorOfSize(int n)
{
BitVector bv = new BitVector(n);
// test count when incrementally setting bits
for (int i = 0; i < bv.Length; i++) // LUCENENET NOTE: Length is the equivalent of size()
{
Assert.IsFalse(bv.Get(i));
Assert.AreEqual(i, bv.Count());
bv.Set(i);
Assert.IsTrue(bv.Get(i));
Assert.AreEqual(i + 1, bv.Count());
}
bv = new BitVector(n);
// test count when setting then clearing bits
for (int i = 0; i < bv.Length; i++) // LUCENENET NOTE: Length is the equivalent of size()
{
Assert.IsFalse(bv.Get(i));
Assert.AreEqual(0, bv.Count());
bv.Set(i);
Assert.IsTrue(bv.Get(i));
Assert.AreEqual(1, bv.Count());
bv.Clear(i);
Assert.IsFalse(bv.Get(i));
Assert.AreEqual(0, bv.Count());
}
}
private void DoTestGetSetVectorOfSize(int n)
{
BitVector bv = new BitVector(n);
for (int i = 0; i < bv.Length; i++) // LUCENENET NOTE: Length is the equivalent of size()
{
// ensure a set bit can be git'
Assert.IsFalse(bv.Get(i));
bv.Set(i);
Assert.IsTrue(bv.Get(i));
}
}
private void DoTestGetSetVectorOfSize(int n)
{
BitVector bv = new BitVector(n);
for (int i = 0; i < bv.Size(); i++)
{
// ensure a set bit can be git'
Assert.IsFalse(bv.Get(i));
bv.Set(i);
Assert.IsTrue(bv.Get(i));
}
}
private void DoTestClearVectorOfSize(int n)
{
BitVector bv = new BitVector(n);
for (int i = 0; i < bv.Size(); i++)
{
// ensure a set bit is cleared
Assert.IsFalse(bv.Get(i));
bv.Set(i);
Assert.IsTrue(bv.Get(i));
bv.Clear(i);
Assert.IsFalse(bv.Get(i));
}
}
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 DoTestWriteRead(int n)
{
MockDirectoryWrapper d = new MockDirectoryWrapper(Random, new RAMDirectory());
d.PreventDoubleWrite = false;
BitVector bv = new BitVector(n);
// test count when incrementally setting bits
for (int i = 0; i < bv.Length; i++) // LUCENENET NOTE: Length is the equivalent of size()
{
Assert.IsFalse(bv.Get(i));
Assert.AreEqual(i, bv.Count());
bv.Set(i);
Assert.IsTrue(bv.Get(i));
Assert.AreEqual(i + 1, bv.Count());
bv.Write(d, "TESTBV", NewIOContext(Random));
BitVector compare = new BitVector(d, "TESTBV", NewIOContext(Random));
// compare bit vectors with bits set incrementally
Assert.IsTrue(DoCompare(bv, compare));
}
}
/// <summary>
/// Compare two BitVectors.
/// this should really be an equals method on the BitVector itself. </summary>
/// <param name="bv"> One bit vector </param>
/// <param name="compare"> The second to compare </param>
private bool DoCompare(BitVector bv, BitVector compare)
{
bool equal = true;
for (int i = 0; i < bv.Length; i++) // LUCENENET NOTE: Length is the equivalent of size()
{
// bits must be equal
if (bv.Get(i) != compare.Get(i))
{
equal = false;
break;
}
}
Assert.AreEqual(bv.Count(), compare.Count());
return(equal);
}
/// <summary>
/// Compare two BitVectors.
/// this should really be an equals method on the BitVector itself. </summary>
/// <param name="bv"> One bit vector </param>
/// <param name="compare"> The second to compare </param>
private bool DoCompare(BitVector bv, BitVector compare)
{
bool equal = true;
for (int i = 0; i < bv.Size(); i++)
{
// bits must be equal
if (bv.Get(i) != compare.Get(i))
{
equal = false;
break;
}
}
Assert.AreEqual(bv.Count(), compare.Count());
return(equal);
}
private void DoTestWriteRead(int n)
{
MockDirectoryWrapper d = new MockDirectoryWrapper(Random(), new RAMDirectory());
d.PreventDoubleWrite = false;
BitVector bv = new BitVector(n);
// test count when incrementally setting bits
for (int i = 0; i < bv.Size(); i++)
{
Assert.IsFalse(bv.Get(i));
Assert.AreEqual(i, bv.Count());
bv.Set(i);
Assert.IsTrue(bv.Get(i));
Assert.AreEqual(i + 1, bv.Count());
bv.Write(d, "TESTBV", NewIOContext(Random()));
BitVector compare = new BitVector(d, "TESTBV", NewIOContext(Random()));
// compare bit vectors with bits set incrementally
Assert.IsTrue(DoCompare(bv, compare));
}
}
private void DoTestGetSetVectorOfSize(int n)
{
BitVector bv = new BitVector(n);
for (int i = 0; i < bv.Size(); i++)
{
// ensure a set bit can be git'
Assert.IsFalse(bv.Get(i));
bv.Set(i);
Assert.IsTrue(bv.Get(i));
}
}
private void DoTestCountVectorOfSize(int n)
{
BitVector bv = new BitVector(n);
// test count when incrementally setting bits
for (int i = 0; i < bv.Size(); i++)
{
Assert.IsFalse(bv.Get(i));
Assert.AreEqual(i, bv.Count());
bv.Set(i);
Assert.IsTrue(bv.Get(i));
Assert.AreEqual(i + 1, bv.Count());
}
bv = new BitVector(n);
// test count when setting then clearing bits
for (int i = 0; i < bv.Size(); i++)
{
Assert.IsFalse(bv.Get(i));
Assert.AreEqual(0, bv.Count());
bv.Set(i);
Assert.IsTrue(bv.Get(i));
Assert.AreEqual(1, bv.Count());
bv.Clear(i);
Assert.IsFalse(bv.Get(i));
Assert.AreEqual(0, bv.Count());
}
}
private void DoTestClearVectorOfSize(int n)
{
BitVector bv = new BitVector(n);
for (int i = 0; i < bv.Size(); i++)
{
// ensure a set bit is cleared
Assert.IsFalse(bv.Get(i));
bv.Set(i);
Assert.IsTrue(bv.Get(i));
bv.Clear(i);
Assert.IsFalse(bv.Get(i));
}
}
/// <summary>
/// Compare two BitVectors.
/// this should really be an equals method on the BitVector itself. </summary>
/// <param name="bv"> One bit vector </param>
/// <param name="compare"> The second to compare </param>
private bool DoCompare(BitVector bv, BitVector compare)
{
bool equal = true;
for (int i = 0; i < bv.Size(); i++)
{
// bits must be equal
if (bv.Get(i) != compare.Get(i))
{
equal = false;
break;
}
}
Assert.AreEqual(bv.Count(), compare.Count());
return equal;
}
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();
}