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chessarbiter/tests/board.cpp
Loic Guegan e9d328acf4 Init project
2022-01-29 11:52:47 +01:00

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#include "Board.hpp"
#include <catch_amalgamated.hpp>
using namespace chessarbiter;
TEST_CASE("IsEmpty/AddPiece", "[board/IsEmpty/AddPiece]") {
Board b;
b.AddPiece('K', "a1");
b.AddPiece('K', "a8");
b.AddPiece('K', "c8");
CHECK_FALSE(b.IsEmpty("a1"));
CHECK_FALSE(b.IsEmpty("a8"));
CHECK_FALSE(b.IsEmpty("c8"));
CHECK(b.IsEmpty("a2"));
CHECK(b.IsEmpty("a3"));
CHECK(b.IsEmpty("a4"));
}
TEST_CASE("Clear", "[board/Clear]") {
Board b;
b.AddPiece('K', "a1");
b.AddPiece('A', "a8");
b.AddPiece('Q', "c8");
b.Clear();
CHECK(b.IsEmpty("a1"));
CHECK(b.IsEmpty("a8"));
CHECK(b.IsEmpty("c8"));
}
TEST_CASE("GetPieceAt", "[board/GetPieceAt]") {
Board b;
b.AddPiece('K', "a1");
b.AddPiece('A', "a8");
b.AddPiece('Q', "c8");
CHECK((b.GetPieceAt("a1")).piece == 'K');
CHECK((b.GetPieceAt("a8")).piece == 'A');
CHECK((b.GetPieceAt("c8")).piece == 'Q');
CHECK_THROWS_AS(b.GetPieceAt("a5"), chessarbiter::NoPieceFound);
}
TEST_CASE("CountPiece", "[board/CountPiece]") {
Board b;
b.AddPiece('K', "a1");
b.AddPiece('K', "a3");
CHECK(b.CountPiece('K') == 2);
b.AddPiece('k', "b1");
b.AddPiece('k', "b5");
CHECK(b.CountPiece('k') == 2);
b.AddPiece('b', "h8");
b.AddPiece('b', "h7");
CHECK(b.CountPiece('b') == 2);
CHECK(b.CountPiece('p') == 0);
}
TEST_CASE("GetKingLocation", "[board/GetKingLocation]") {
Board b;
b.AddPiece('k', "a1");
CHECK(b.GetKingLocation(true) == "a1");
b.AddPiece('K', "h1");
CHECK(b.GetKingLocation(false) == "h1");
b.Clear();
CHECK_THROWS_AS(b.GetKingLocation(true), NoPieceFound);
}
TEST_CASE("RemovePiece", "[board/RemovePiece]") {
Board b;
b.AddPiece('k', "a1");
b.AddPiece('p', "a2");
REQUIRE(!b.IsEmpty("a1"));
REQUIRE(!b.IsEmpty("a2"));
b.RemovePiece("a1");
REQUIRE(b.IsEmpty("a1"));
REQUIRE(!b.IsEmpty("a2"));
}
TEST_CASE("Move", "[board/Move]") {
Board b;
b.AddPiece('k', "a1");
b.AddPiece('p', "a2");
REQUIRE(!b.IsEmpty("a1"));
REQUIRE(!b.IsEmpty("a2"));
// Nothing should happend since no piece on a3 (not even a throw)
CHECK_NOTHROW(b.Move("a3c4"));
REQUIRE(!b.IsEmpty("a1"));
REQUIRE(!b.IsEmpty("a2"));
b.Move("a1a2");
REQUIRE(b.IsEmpty("a1"));
REQUIRE(!b.IsEmpty("a2"));
b.Move("a2h8");
REQUIRE(b.IsEmpty("a2"));
REQUIRE(!b.IsEmpty("h8"));
}
TEST_CASE("GetPlayerPieces", "[board/GetPlayerPieces]") {
Board b;
b.AddPiece('P', "a2");
b.AddPiece('B', "b2");
b.AddPiece('k', "c2");
std::vector<Piece> pieces = b.GetPlayerPieces(false);
REQUIRE(pieces.size() == 2);
REQUIRE(b.GetPlayerPieces(true).size() == 1);
bool found = false;
for (Piece &p : pieces) {
if (p.coord == "a2" && p.piece == 'P') {
found = true;
}
}
CHECK(found);
found = false;
for (Piece &p : pieces) {
if (p.coord == "b2" && p.piece == 'B') {
found = true;
}
}
CHECK(found);
found = false;
}
TEST_CASE("IsMovePossible", "[board/IsMovePossible]") {
Board b;
b.AddPiece('P', "a2");
// Pawn white
CHECK(b.IsMovePossible("a2a3"));
CHECK_FALSE(b.IsMovePossible("a2a1")); // Can't go backward
CHECK(b.IsMovePossible(
"a2b3")); // Not that Board is not in charge of pawn singularities
CHECK(b.IsMovePossible("a2a4"));
b.AddPiece('p', "a3");
CHECK_FALSE(b.IsMovePossible("a2a4")); // Now we can't
b.AddPiece('P', "b3");
CHECK_FALSE(b.IsMovePossible("a2b3")); // Now we can't
b.Clear();
b.AddPiece('P', "a2");
b.AddPiece('p', "b3"); // Opposite color!
CHECK(b.IsMovePossible("a2b3")); // Now we can
// Pawn black
b.Clear();
b.AddPiece('p', "a7");
CHECK(b.IsMovePossible("a7a6"));
CHECK_FALSE(b.IsMovePossible("a7a8")); // Can't go backward
CHECK(b.IsMovePossible(
"a7b6")); // Not that Board is not in charge of pawn singularities
CHECK(b.IsMovePossible("a7a5"));
b.AddPiece('p', "a6");
CHECK_FALSE(b.IsMovePossible("a7a5")); // Now we can't
b.AddPiece('p', "b6");
CHECK_FALSE(b.IsMovePossible("a7b6")); // Now we can't
b.Clear();
b.AddPiece('p', "a7");
b.AddPiece('P', "b6"); // Opposite color!
CHECK(b.IsMovePossible("a7b6")); // Now we can
// Bishop
b.Clear();
b.AddPiece('b', "d5");
CHECK(b.IsMovePossible("d5h1"));
CHECK(b.IsMovePossible("d5a8"));
CHECK(b.IsMovePossible("d5a2"));
CHECK(b.IsMovePossible("d5g8"));
b.AddPiece('q', "b7"); // We block the piece in every directions
b.AddPiece('q', "g2");
b.AddPiece('q', "b3");
b.AddPiece('q', "f7");
CHECK_FALSE(b.IsMovePossible("d5h1"));
CHECK_FALSE(b.IsMovePossible("d5a8"));
CHECK_FALSE(b.IsMovePossible("d5a2"));
CHECK_FALSE(b.IsMovePossible("d5g8"));
// No rook moves
CHECK_FALSE(b.IsMovePossible("d5a5"));
CHECK_FALSE(b.IsMovePossible("d5h5"));
CHECK_FALSE(b.IsMovePossible("d5d8"));
CHECK_FALSE(b.IsMovePossible("d5d1"));
// Rook
b.Clear();
b.AddPiece('r', "d5");
CHECK(b.IsMovePossible("d5a5"));
CHECK(b.IsMovePossible("d5h5"));
CHECK(b.IsMovePossible("d5d8"));
CHECK(b.IsMovePossible("d5d1"));
b.AddPiece('q', "b5"); // We block the piece in every directions
b.AddPiece('q', "g5");
b.AddPiece('q', "d7");
b.AddPiece('q', "d2");
CHECK_FALSE(b.IsMovePossible("d5a5"));
CHECK_FALSE(b.IsMovePossible("d5h5"));
CHECK_FALSE(b.IsMovePossible("d5d8"));
CHECK_FALSE(b.IsMovePossible("d5d1"));
// No bishop moves
CHECK_FALSE(b.IsMovePossible("d5h1"));
CHECK_FALSE(b.IsMovePossible("d5a8"));
CHECK_FALSE(b.IsMovePossible("d5a2"));
CHECK_FALSE(b.IsMovePossible("d5g8"));
// Queen like bishop
b.Clear();
b.AddPiece('q', "d5");
CHECK(b.IsMovePossible("d5h1"));
CHECK(b.IsMovePossible("d5a8"));
CHECK(b.IsMovePossible("d5a2"));
CHECK(b.IsMovePossible("d5g8"));
b.AddPiece('q', "b7"); // We block the piece in every directions
b.AddPiece('q', "g2");
b.AddPiece('q', "b3");
b.AddPiece('q', "f7");
CHECK_FALSE(b.IsMovePossible("d5h1"));
CHECK_FALSE(b.IsMovePossible("d5a8"));
CHECK_FALSE(b.IsMovePossible("d5a2"));
CHECK_FALSE(b.IsMovePossible("d5g8"));
// Queen like rook
b.Clear();
b.AddPiece('q', "d5");
CHECK(b.IsMovePossible("d5a5"));
CHECK(b.IsMovePossible("d5h5"));
CHECK(b.IsMovePossible("d5d8"));
CHECK(b.IsMovePossible("d5d1"));
b.AddPiece('q', "b5"); // We block the piece in every directions
b.AddPiece('q', "g5");
b.AddPiece('q', "d7");
b.AddPiece('q', "d2");
CHECK_FALSE(b.IsMovePossible("d5a5"));
CHECK_FALSE(b.IsMovePossible("d5h5"));
CHECK_FALSE(b.IsMovePossible("d5d8"));
CHECK_FALSE(b.IsMovePossible("d5d1"));
// Knight
b.Clear();
b.AddPiece('n', "d5");
CHECK(b.IsMovePossible("d5e7"));
CHECK(b.IsMovePossible("d5c7"));
CHECK(b.IsMovePossible("d5b6"));
CHECK(b.IsMovePossible("d5b4"));
CHECK(b.IsMovePossible("d5c3"));
CHECK(b.IsMovePossible("d5e3"));
CHECK(b.IsMovePossible("d5f4"));
CHECK(b.IsMovePossible("d5f6"));
// Not possible
CHECK_FALSE(b.IsMovePossible("d5d7"));
CHECK_FALSE(b.IsMovePossible("d5d3"));
CHECK_FALSE(b.IsMovePossible("d5b5"));
CHECK_FALSE(b.IsMovePossible("d5f5"));
// King
b.Clear();
b.AddPiece('k', "d5");
CHECK(b.IsMovePossible("d5d6"));
CHECK(b.IsMovePossible("d5c6"));
CHECK(b.IsMovePossible("d5e6"));
CHECK(b.IsMovePossible("d5c5"));
CHECK(b.IsMovePossible("d5e5"));
CHECK(b.IsMovePossible("d5d4"));
CHECK(b.IsMovePossible("d5c4"));
CHECK(b.IsMovePossible("d5e4"));
// Moving a piece at the same place is not possible
CHECK_FALSE(b.IsMovePossible("d5d5"));
}
TEST_CASE("ListPossibleMoves", "[board/ListPossibleMoves]") {
Board b;
b.AddPiece('K', "a1");
b.AddPiece('K', "a8");
b.AddPiece('K', "h1");
b.AddPiece('K', "h8");
b.AddPiece('k', "d5"); // Black piece
std::vector<std::string> moves = b.ListPossibleMoves(false);
REQUIRE(moves.size() == 12);
CHECK(std::find(moves.begin(), moves.end(), "a1a2") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "a1b2") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "a1b1") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "a8a7") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "a8b8") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "a8b7") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "h8g7") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "h8g8") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "h8h7") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "h1h2") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "h1g1") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "h1g2") != moves.end());
b.Clear();
b.AddPiece('k', "a1");
b.AddPiece('k', "a8");
b.AddPiece('k', "h1");
b.AddPiece('k', "h8");
b.AddPiece('K', "d5"); // White piece
moves = b.ListPossibleMoves(true);
REQUIRE(moves.size() == 12);
CHECK(std::find(moves.begin(), moves.end(), "a1a2") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "a1b2") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "a1b1") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "a8a7") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "a8b8") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "a8b7") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "h8g7") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "h8g8") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "h8h7") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "h1h2") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "h1g1") != moves.end());
CHECK(std::find(moves.begin(), moves.end(), "h1g2") != moves.end());
}
TEST_CASE("Serialize", "[board/Serialize]") {
Board b;
b.AddPiece('p', "a8");
CHECK(b.Serialize() == "p "
" "
" "
" "
" "
" "
" "
" ");
b.AddPiece('P', "a1");
CHECK(b.Serialize() == "p "
" "
" "
" "
" "
" "
" "
"P ");
b.AddPiece('k', "d5");
CHECK(b.Serialize() == "p "
" "
" "
" k "
" "
" "
" "
"P ");
b.AddPiece('Q', "d7");
CHECK(b.Serialize() == "p "
" Q "
" "
" k "
" "
" "
" "
"P ");
b.AddPiece('p', "h2");
CHECK(b.Serialize() == "p "
" Q "
" "
" k "
" "
" "
" p"
"P ");
b.AddPiece('k', "h8");
CHECK(b.Serialize() == "p k"
" Q "
" "
" k "
" "
" "
" p"
"P ");
b.AddPiece('N', "b2");
CHECK(b.Serialize() == "p k"
" Q "
" "
" k "
" "
" "
" N p"
"P ");
b.AddPiece('n', "c2");
CHECK(b.Serialize() == "p k"
" Q "
" "
" k "
" "
" "
" Nn p"
"P ");
b.AddPiece('b', "c3");
CHECK(b.Serialize() == "p k"
" Q "
" "
" k "
" "
" b "
" Nn p"
"P ");
}
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