void ChessLegalityTest::test_castling() {
ChessMove oo(Point(4, 7), Point(6, 7));
m_state->board().set(Point(6, 7), ChessPiece());
{
ChessMove tmp(oo);
CPPUNIT_ASSERT(!m_legality_check->pseudolegal(tmp));
}
m_state->board().set(Point(5, 7), ChessPiece());
{
ChessMove tmp(oo);
CPPUNIT_ASSERT(m_legality_check->legal(tmp));
}
m_state->board().set(Point(3, 6), ChessPiece(ChessPiece::BLACK, ChessPiece::PAWN));
{
ChessMove tmp(oo);
CPPUNIT_ASSERT(!m_legality_check->pseudolegal(tmp));
}
m_state->board().set(Point(3, 6), ChessPiece());
m_state->board().set(Point(4, 6), ChessPiece(ChessPiece::BLACK, ChessPiece::PAWN));
{
ChessMove tmp(oo);
CPPUNIT_ASSERT(!m_legality_check->pseudolegal(tmp));
}
}
void ChessGameStateTest::test_promotion() {
m_state->board().set(Point(7, 1), ChessPiece(ChessPiece::WHITE, ChessPiece::PAWN));
ChessMove h8B(Point(7, 1), Point(7, 0), ChessPiece::BISHOP);
h8B.setType(ChessMove::PROMOTION);
m_state->move(h8B);
CPPUNIT_ASSERT(m_state->board().get(Point(7, 0)) ==
ChessPiece(ChessPiece::WHITE, ChessPiece::BISHOP));
}
void ChessGameStateTest::test_queenside_castling() {
ChessMove oo(Point(4, 7), Point(2, 7));
oo.setType(ChessMove::QUEEN_SIDE_CASTLING);
m_state->move(oo);
CPPUNIT_ASSERT(m_state->board().get(Point(2, 7)) ==
ChessPiece(ChessPiece::WHITE, ChessPiece::KING));
CPPUNIT_ASSERT(m_state->board().get(Point(3, 7)) ==
ChessPiece(ChessPiece::WHITE, ChessPiece::ROOK));
CPPUNIT_ASSERT(m_state->board().get(Point(0, 7)) == ChessPiece());
}
void ChessLegalityTest::test_attack3() {
m_state->board().set(Point(0, 5), ChessPiece(ChessPiece::BLACK, ChessPiece::KING));
m_state->board().set(Point(1, 6), ChessPiece(ChessPiece::WHITE, ChessPiece::ROOK)); // b2: pawn -> rook
CPPUNIT_ASSERT(m_legality_check->attacks(ChessPiece::WHITE, Point(0, 5)));
m_state->board().set(Point(1, 7), ChessPiece()); // remove knight on b1
CPPUNIT_ASSERT(!m_legality_check->attacks(ChessPiece::WHITE, Point(0, 5)));
m_state->board().set(Point(0, 6), ChessPiece()); // remove pawn on a2
CPPUNIT_ASSERT(m_legality_check->attacks(ChessPiece::WHITE, Point(0, 5)));
m_state->board().set(Point(0, 7), ChessPiece()); // remove rook on a1
CPPUNIT_ASSERT(!m_legality_check->attacks(ChessPiece::WHITE, Point(0, 5)));
}
void ChessLegalityTest::test_simple_move() {
ChessMove e4(Point(4, 6), Point(4, 4));
CPPUNIT_ASSERT(m_legality_check->legal(e4));
ChessMove e5(Point(4, 6), Point(4, 3));
CPPUNIT_ASSERT(!m_legality_check->pseudolegal(e5));
ChessMove Nf3(Point(6, 7), Point(5, 5));
CPPUNIT_ASSERT(m_legality_check->legal(Nf3));
ChessMove Bc4(Point(5, 7), Point(2, 4));
CPPUNIT_ASSERT(!m_legality_check->pseudolegal(Bc4));
{
ChessMove tmp(Point(5, 7), Point(2, 4));
m_state->board().set(Point(4, 6), ChessPiece());
CPPUNIT_ASSERT(m_legality_check->legal(tmp));
}
ChessMove e6(Point(4, 1), Point(4, 2));
CPPUNIT_ASSERT(!m_legality_check->pseudolegal(e6));
{
ChessMove tmp(Point(4, 1), Point(4, 2));
m_state->switchTurn();
CPPUNIT_ASSERT(m_legality_check->legal(tmp));
}
}
void ChessGameStateTest::test_capture() {
m_state->move(ChessMove(Point(4, 6), Point(4, 4))); // e4
m_state->move(ChessMove(Point(3, 1), Point(3, 3))); // d5
m_state->move(ChessMove(Point(4, 4), Point(3, 3))); // exd5
CPPUNIT_ASSERT(m_state->board().get(Point(3, 3)) ==
ChessPiece(ChessPiece::WHITE, ChessPiece::PAWN));
}
void ChessLegalityTest::test_promotion() {
m_state->board().set(Point(7, 1), ChessPiece(ChessPiece::WHITE, ChessPiece::PAWN));
ChessMove h8Q(Point(7, 1), Point(7, 0), ChessPiece::QUEEN);
CPPUNIT_ASSERT(!m_legality_check->pseudolegal(h8Q));
ChessMove hxg8R(Point(7, 1), Point(6, 0), ChessPiece::ROOK);
CPPUNIT_ASSERT(m_legality_check->pseudolegal(hxg8R));
CPPUNIT_ASSERT(m_legality_check->legal(hxg8R));
CPPUNIT_ASSERT_EQUAL((int)ChessPiece::ROOK, hxg8R.promoteTo());
}
std::string ChessMove::toString() const
{
if(promotion==ptNone)
{
return CoordPair::toString();
}
else
{
std::string s;
s.reserve(5);
s.append(CoordPair::toString());
s.push_back(ChessPiece(promotion|pcBlack).toChar());
return s;
}
}
void ChessGameStateTest::test_en_passant() {
m_state->move(ChessMove(Point(4, 6), Point(4, 4))); // e4
m_state->move(ChessMove(Point(7, 1), Point(7, 2))); // h6
m_state->move(ChessMove(Point(4, 4), Point(4, 3))); // e5
ChessMove d5(Point(3, 1), Point(3, 3));
d5.setType(ChessMove::EN_PASSANT_TRIGGER);
m_state->move(d5);
CPPUNIT_ASSERT(m_state->enPassant() == Point(3, 2));
ChessMove exd6(Point(4, 3), Point(3, 2));
exd6.setType(ChessMove::EN_PASSANT_CAPTURE);
m_state->move(exd6);
CPPUNIT_ASSERT(m_state->board().get(Point(3, 3)) == ChessPiece());
}
void ChessGameStateTest::test_setup() {
for (int i = 0; i < 8; i++) {
CPPUNIT_ASSERT_EQUAL(ChessPiece::BLACK,
m_state->board().get(Point(i, 0)).color());
CPPUNIT_ASSERT_EQUAL(ChessPiece::BLACK,
m_state->board().get(Point(i, 1)).color());
CPPUNIT_ASSERT_EQUAL(ChessPiece::WHITE,
m_state->board().get(Point(i, 6)).color());
CPPUNIT_ASSERT_EQUAL(ChessPiece::WHITE,
m_state->board().get(Point(i, 7)).color());
CPPUNIT_ASSERT(m_state->board().get(Point(i, 4)) == ChessPiece());
}
CPPUNIT_ASSERT_EQUAL(ChessPiece::ROOK,
m_state->board().get(Point(0, 0)).type());
CPPUNIT_ASSERT_EQUAL(ChessPiece::KING,
m_state->board().get(Point(4, 7)).type());
CPPUNIT_ASSERT_EQUAL(ChessPiece::PAWN,
m_state->board().get(Point(6, 6)).type());
}
void ChessGameStateTest::test_simple_move() {
m_state->move(ChessMove(Point(4, 6), Point(4, 5))); // e4
CPPUNIT_ASSERT(m_state->board().get(Point(4, 6)) == ChessPiece());
CPPUNIT_ASSERT(m_state->board().get(Point(4, 5)) ==
ChessPiece(ChessPiece::WHITE, ChessPiece::PAWN));
}
void ChessLegalityTest::test_attack2() {
m_state->board().set(Point(4, 4), ChessPiece(ChessPiece::BLACK, ChessPiece::QUEEN));
CPPUNIT_ASSERT(!m_legality_check->attacks(ChessPiece::WHITE, Point(4, 4)));
}
void ChessLegalityTest::test_attack1() {
m_state->board().set(Point(5, 5), ChessPiece(ChessPiece::BLACK, ChessPiece::ROOK));
CPPUNIT_ASSERT(m_legality_check->attacks(ChessPiece::WHITE, Point(5, 5)));
}