public void TestFindFirstSquareIndexAndFindFirstSquareIndexInternal(long value, int expectedResult)
{
var bitboard = new Bitboard(value);
var firstSquareIndex = bitboard.FindFirstSquareIndex();
Assert.That(firstSquareIndex, Is.EqualTo(expectedResult));
var firstSquareIndexInternal = Bitboard.FindFirstSquareIndexInternal((ulong)value);
Assert.That(firstSquareIndexInternal, Is.EqualTo(expectedResult));
}
public void TestFindFirstSquareIndexAndFindFirstSquareIndexInternalWhenSingleBitIsSet()
{
for (var index = 0; index < ChessConstants.SquareCount; index++)
{
var value = 1L << index;
var bitboard = new Bitboard(value);
var firstSquareIndex = bitboard.FindFirstSquareIndex();
Assert.That(firstSquareIndex, Is.EqualTo(index), "Failed for the bit {0}.", index);
var firstSquareIndexInternal = Bitboard.FindFirstSquareIndexInternal((ulong)value);
Assert.That(firstSquareIndexInternal, Is.EqualTo(index), "Failed for the bit {0}.", index);
}
}
public void TestFindFirstSquareIndexAndFindFirstSquareIndexInternalWhenNoBitsAreSet()
{
Assert.That(Bitboard.NoSquareIndex, Is.LessThan(0));
const long Value = 0L;
var bitboard = new Bitboard(Value);
var firstSquareIndex = bitboard.FindFirstSquareIndex();
Assert.That(firstSquareIndex, Is.EqualTo(Bitboard.NoSquareIndex));
var firstSquareIndexInternal = Bitboard.FindFirstSquareIndexInternal(Value);
Assert.That(firstSquareIndexInternal, Is.EqualTo(Bitboard.NoSquareIndex));
}
