/* * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009 * The President and Fellows of Harvard College. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <types.h> #include <lib.h> #include <bitmap.h> #include <test.h> #define TESTSIZE 533 int bitmaptest(int nargs, char **args) { struct bitmap *b; char data[TESTSIZE]; uint32_t x; int i; (void)nargs; (void)args; kprintf("Starting bitmap test...\n"); for (i=0; i<TESTSIZE; i++) { data[i] = random()%2; } b = bitmap_create(TESTSIZE); KASSERT(b != NULL); for (i=0; i<TESTSIZE; i++) { KASSERT(bitmap_isset(b, i)==0); } for (i=0; i<TESTSIZE; i++) { if (data[i]) { bitmap_mark(b, i); } } for (i=0; i<TESTSIZE; i++) { if (data[i]) { KASSERT(bitmap_isset(b, i)); } else { KASSERT(bitmap_isset(b, i)==0); } } for (i=0; i<TESTSIZE; i++) { if (data[i]) { bitmap_unmark(b, i); } else { bitmap_mark(b, i); } } for (i=0; i<TESTSIZE; i++) { if (data[i]) { KASSERT(bitmap_isset(b, i)==0); } else { KASSERT(bitmap_isset(b, i)); } } while (bitmap_alloc(b, &x)==0) { KASSERT(x < TESTSIZE); KASSERT(bitmap_isset(b, x)); KASSERT(data[x]==1); data[x] = 0; } for (i=0; i<TESTSIZE; i++) { KASSERT(bitmap_isset(b, i)); KASSERT(data[i]==0); } kprintf("Bitmap test complete\n"); return 0; }