public void UpperBitsUnset()
{
for (int a = 0; a < 5; a++) // number of words
{
for (int b = -1; b < 2; b++) // number of bits more or less than that number of words
{
int n = BitArray.BitsPerWord * a + b;
if (n < 0)
{
continue;
}
BitArray arr = BitArray.AllSet(n);
if (n > 0)
{
Assert.True(arr[n - 1]);
}
Assert.False(arr[n]);
}
}
}
