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/*
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <ch.h>
#include "test.h"
#ifdef CH_USE_HEAP
#define SIZE 16
static char *heap1_gettest(void) {
return "Heap, allocation and fragmentation test";
}
static void heap1_setup(void) {
}
static void heap1_teardown(void) {
}
static void heap1_execute(void) {
void *p1, *p2, *p3;
size_t n, sz;
/* Test skipped if the heap is already fragmented. */
if ((n = chHeapStatus(&sz)) == 1) {
test_print("--- Size : ");
test_printn(sz);
test_println(" bytes, not fragmented");
/* Same order */
p1 = chHeapAlloc(SIZE);
p2 = chHeapAlloc(SIZE);
p3 = chHeapAlloc(SIZE);
chHeapFree(p1); /* Does not merge */
chHeapFree(p2); /* Merges backward */
chHeapFree(p3); /* Merges both sides */
test_assert(chHeapStatus(&n) == 1, "heap fragmented #1");
/* Reverse order */
p1 = chHeapAlloc(SIZE);
p2 = chHeapAlloc(SIZE);
p3 = chHeapAlloc(SIZE);
chHeapFree(p3); /* Merges forward */
chHeapFree(p2); /* Merges forward */
chHeapFree(p1); /* Merges forward */
test_assert(chHeapStatus(&n) == 1, "heap fragmented #2");
test_assert(n == sz, "heap size changed");
}
else {
test_print("--- Size : ");
test_printn(sz);
test_println(" bytes, fragmented, test skipped");
}
}
const struct testcase testheap1 = {
heap1_gettest,
heap1_setup,
heap1_teardown,
heap1_execute
};
#endif /* CH_USE_HEAP */
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