public void SetBitsBigEndianTest()
{
var barr = new FastBitArray(new byte[0]);
barr.Length = 5;
barr.SetBits(0, 14, 4);
var val = barr.GetBits(0, 4);
barr = new FastBitArray(new byte[0]);
barr.Length = 5;
barr.SetBit(0, false);
barr.SetBit(1, true);
barr.SetBit(2, true);
barr.SetBit(3, true);
val = barr.GetBits(0, 4);
}
public void ReconstructionTest()
{
var arr = new byte[] { 1, 2, 3, 4 };
var b = new FastBitArray(arr);
var arr2 = b.ToByteArray();
Assert.Equal(arr.Length, arr2.Length);
Assert.Equal(arr[0], arr2[0]);
Assert.Equal(arr[arr.Length - 1], arr2[arr2.Length - 1]);
Assert.Equal(4 * 8, b.Length);
b.Length++;
Assert.Equal((4 * 8) + 1, b.Length);
arr2 = b.ToByteArray();
Assert.Equal(arr[0], arr2[0]);
Assert.Equal(0, arr2[arr2.Length - 1]);
b.SetBit(4 * 8, true);
arr2 = b.ToByteArray();
Assert.Equal(arr[0], arr2[0]);
Assert.Equal(1, arr2[arr2.Length - 1]);
var b2 = new FastBitArray(arr2);
var arr3 = b2.ToByteArray();
Assert.Equal(arr2.Length, arr3.Length);
Assert.Equal(arr2[0], arr3[0]);
Assert.Equal(arr2[arr2.Length - 1], arr3[arr3.Length - 1]);
}
public void SetBitAndGetBitsTest()
{
var barr = new FastBitArray(new byte[0]);
barr.Length = 150;
var j = true;
for (int i = 0; i < 64; i += 2)
{
if (j)
{
barr.SetBit(i, true);
barr.SetBit(i + 1, true);
}
else
{
barr.SetBit(i, false);
barr.SetBit(i + 1, false);
}
j = !j;
}
for (var i = 0; i < 16; i++)
{
Assert.Equal(0b11UL, barr.GetBits(i * 4, 2));
Assert.Equal(0b00UL, barr.GetBits((i * 4) + 2, 2));
}
for (var i = 0; i < 8; i++)
{
Assert.Equal(0b0011UL, barr.GetBits(i * 8, 4));
Assert.Equal(0b0011UL, barr.GetBits((i * 8) + 4, 2));
}
Assert.Equal(0b11001UL, barr.GetBits(29, 5));
}