Mercurial > hg > terminal-chess / file comparison
comparison: test/test-fen.c
test/test-fen.c
- changeset 218
- 1e9751f8eb0d
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| 217:507490519676 | 218:1e9751f8eb0d |
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| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2026 Mike Becker. All rights reserved. | |
| 5 * | |
| 6 * Redistribution and use in source and binary forms, with or without | |
| 7 * modification, are permitted provided that the following conditions are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 26 * POSSIBILITY OF SUCH DAMAGE. | |
| 27 * | |
| 28 */ | |
| 29 | |
| 30 #include "chess/fen.h" | |
| 31 #include "ucxtest.h" | |
| 32 | |
| 33 static CX_TEST(test_fen_basic) { | |
| 34 /* a test that simply checks if an arbitrary FEN is parsed correctly */ | |
| 35 const char * fen = "r1n3k1/5qbp/p5p1/1p6/4Q3/B6P/P4PP1/R4RK1 b - - 0 27"; | |
| 36 Board expected_board = { | |
| 37 {WROOK, 0, 0, 0, 0, WROOK, WKING, 0}, | |
| 38 {WPAWN, 0, 0, 0, 0, WPAWN, WPAWN, 0}, | |
| 39 {WBISHOP, 0, 0, 0, 0, 0, 0, WPAWN}, | |
| 40 {0, 0, 0, 0, WQUEEN, 0, 0, 0}, | |
| 41 {0, BPAWN, 0, 0, 0, 0, 0, 0}, | |
| 42 {BPAWN, 0, 0, 0, 0, 0, BPAWN, 0}, | |
| 43 {0, 0, 0, 0, 0, BQUEEN, BBISHOP, BPAWN}, | |
| 44 {BROOK, 0, BKNIGHT, 0, 0, 0, BKING, 0} | |
| 45 }; | |
| 46 GameState gs; | |
| 47 int result = fen_parse(fen, &gs); | |
| 48 CX_TEST_DO { | |
| 49 CX_TEST_ASSERT(result == 0); | |
| 50 CX_TEST_ASSERT(strcmp(gs.fen_start, fen) == 0); | |
| 51 /* counter for fifty-move rule initialized with zero */ | |
| 52 CX_TEST_ASSERT(gs.fifty_cntr_start == 0); | |
| 53 /* we start after 53 half-moves have been played */ | |
| 54 CX_TEST_ASSERT(gs.move_start == 53); | |
| 55 /* we have no move history */ | |
| 56 CX_TEST_ASSERT(gs.movecount == 0); | |
| 57 CX_TEST_ASSERT(gs.movecapacity == 0); | |
| 58 CX_TEST_ASSERT(gs.moves == NULL); | |
| 59 CX_TEST_ASSERT(gs.fen == NULL); | |
| 60 /* all castling rights should be revoked */ | |
| 61 CX_TEST_ASSERT(gs.castling.K == true); | |
| 62 CX_TEST_ASSERT(gs.castling.Q == true); | |
| 63 CX_TEST_ASSERT(gs.castling.k == true); | |
| 64 CX_TEST_ASSERT(gs.castling.q == true); | |
| 65 /* check the board */ | |
| 66 for (File f = 0 ; f < 8 ; f++) { | |
| 67 for (Rank r = 0 ; r < 8 ; r++) { | |
| 68 Piece exp = expected_board[r][f]; | |
| 69 Piece p = piece_at(&gs, f, r); | |
| 70 char msg[64]; | |
| 71 sprintf(msg, "expected %u at %c:%c but got %u", | |
| 72 exp, filechr(f), rankchr(r), p); | |
| 73 CX_TEST_ASSERTM(exp == p, msg); | |
| 74 } | |
| 75 } | |
| 76 /* check that other stuff is empty-initialized */ | |
| 77 CX_TEST_ASSERT(gs.bname[0] == 0); | |
| 78 CX_TEST_ASSERT(gs.wname[0] == 0); | |
| 79 CX_TEST_ASSERT(gs.premove[0] == 0); | |
| 80 CX_TEST_ASSERT(!gs.checkmate); | |
| 81 CX_TEST_ASSERT(!gs.stalemate); | |
| 82 CX_TEST_ASSERT(!gs.threefold); | |
| 83 CX_TEST_ASSERT(!gs.nomaterial); | |
| 84 CX_TEST_ASSERT(!gs.remis); | |
| 85 CX_TEST_ASSERT(!gs.wresign); | |
| 86 CX_TEST_ASSERT(!gs.bresign); | |
| 87 CX_TEST_ASSERT(!gs.ragequit); | |
| 88 CX_TEST_ASSERT(!gs.review); | |
| 89 /* check that we get the original FEN back */ | |
| 90 char fen_chk[FEN_MAX_LENGTH]; | |
| 91 fen_compute(fen_chk, &gs); | |
| 92 CX_TEST_ASSERTM(strcmp(fen, fen_chk) == 0, fen_chk); | |
| 93 } | |
| 94 gamestate_cleanup(&gs); | |
| 95 } | |
| 96 | |
| 97 CxTestSuite* test_fen_suite(void) { | |
| 98 CxTestSuite* suite = cx_test_suite_new("Test FEN API"); | |
| 99 | |
| 100 cx_test_register(suite, test_fen_basic); | |
| 101 // TODO: test FENs that describe definitely ended games (for each type of ending) | |
| 102 // TODO: test FEN that comes with a non-zero fifty-move rule counter | |
| 103 // TODO: test FEN with en-passant threat | |
| 104 | |
| 105 return suite; | |
| 106 } |
