110 lines
2.7 KiB
C
110 lines
2.7 KiB
C
/*
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* test_misc.c
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*
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* Testing small helper functions.
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*
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* Copyright (C) 2011 Martin Albrecht <martinralbrecht@googlemail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdarg.h>
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#include <m4ri/m4ri.h>
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#define b(n) (m4ri_one<<(n))
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int test_spread_and_shrink(const word to, const int length, ...) {
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word from = 0xFF;
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rci_t *Q = (rci_t*)calloc(sizeof(rci_t),length);
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va_list l;
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va_start(l,length);
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for(size_t i=0; i<length; i++) {
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Q[i] = va_arg(l, size_t);
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}
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const word res = m4ri_spread_bits(from, Q, length, 0);
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const word pre = m4ri_shrink_bits(res, Q, length, 0);
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free(Q);
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va_end(l);
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if (pre != (b(length)-1)) {
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return 1;
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}
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if (res != to) {
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return 1;
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}
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return 0;
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}
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int test_png(rci_t m, rci_t n) {
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int ret = 0;
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#if __M4RI_HAVE_LIBPNG
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printf("png: m: %4d, n: %4d", m, n);
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const char *fn = "test_misc__test_png.png";
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mzd_t *A = mzd_init(m,n);
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mzd_randomize(A);
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mzd_to_png(A, fn, 0, NULL, 0);
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mzd_t *B = mzd_from_png(fn, 0);
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ret += mzd_cmp(A,B);
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remove(fn);
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mzd_free(B);
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mzd_free(A);
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if(ret==0) {
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printf(" ... passed\n");
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} else {
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printf(" ... FAILED\n");
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}
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#endif
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return ret;
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}
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int main(int argc, char *argv[]) {
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int status = 0;
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status += test_spread_and_shrink( b(1)|b(0), 2, 0,1);
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status += test_spread_and_shrink( b(2)|b(0), 2, 0,2);
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status += test_spread_and_shrink( b(3)|b(1), 2, 1,3);
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status += test_spread_and_shrink( b(3)|b(2), 2, 2,3);
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status += test_spread_and_shrink( b(2)|b(1)|b(0), 3, 0,1,2);
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status += test_spread_and_shrink( b(3)|b(2)|b(0), 3, 0,2,3);
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status += test_spread_and_shrink( b(4)|b(3)|b(1), 3, 1,3,4);
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status += test_spread_and_shrink( b(5)|b(3)|b(2), 3, 2,3,5);
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status += test_png(1,1);
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status += test_png(16,15);
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status += test_png(32,32);
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status += test_png(63,63);
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status += test_png(64,64);
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status += test_png(113,114);
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status += test_png(125,102);
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status += test_png(126,12);
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status += test_png(128,200);
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if (!status) {
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printf("All tests passed.\n");
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} else {
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printf("TEST FAILED!\n");
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return 1;
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}
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return 0;
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}
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