public void TestDeletableTestAndRemove()
{
var d = new DeletableBloomFilter(100, 10, 0.1);
// 'a' is not in the filter.
if (d.TestAndRemove(A_BYTES))
{
Assert.Fail("'a' should not be a member");
}
d.Add(A_BYTES);
// 'a' is now in the filter.
if (!d.TestAndRemove(A_BYTES))
{
Assert.Fail("'a' should be a member");
}
// 'a' is no longer in the filter.
if (d.TestAndRemove(A_BYTES))
{
Assert.Fail("'a' should not be a member");
}
}
public void TestDeletableTestAndAdd()
{
var d = new DeletableBloomFilter(100, 10, 0.1);
// 'a' is not in the filter.
if (d.Test(A_BYTES))
{
Assert.Fail("'a' should not be a member");
}
var addedF = d.Add(A_BYTES);
Assert.AreSame(d, addedF, "Returned CountingBloomFilter should be the same instance");
// 'a' is now in the filter.
if (!d.Test(A_BYTES))
{
Assert.Fail("'a' should be a member");
}
// 'a' is still in the filter.
if (!d.TestAndAdd(A_BYTES))
{
Assert.Fail("'a' should be a member");
}
// 'b' is not in the filter.
if (d.TestAndAdd(B_BYTES))
{
Assert.Fail("'b' should not be a member");
}
// 'a' is still in the filter.
if (!d.Test(A_BYTES))
{
Assert.Fail("'a' should be a member");
}
// 'b' is now in the filter.
if (!d.Test(B_BYTES))
{
Assert.Fail("'b' should be a member");
}
// 'c' is not in the filter.
if (d.Test(C_BYTES))
{
Assert.Fail("'c' should not be a member");
}
for (int i = 0; i < 1000000; i++)
{
d.TestAndAdd(Encoding.ASCII.GetBytes(i.ToString()));
}
// 'x' should be a false positive.
if (!d.Test(X_BYTES))
{
Assert.Fail("'x' should be a member");
}
}