* This testing program makes sure the bitops functions work
*
* Copyright (C) 2001 by Theodore Ts'o.
- *
+ *
* %Begin-Header%
- * This file may be redistributed under the terms of the GNU Public
- * License.
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
* %End-Header%
*/
+#include "config.h"
#include <stdio.h>
#include <string.h>
#if HAVE_UNISTD_H
#define BIG_TEST_BIT (((unsigned) 1 << 31) + 42)
-main(int argc, char **argv)
+int main(int argc, char **argv)
{
int i, j, size;
unsigned char testarray[12];
}
}
printf("ext2fs_clear_bit test succeed.\n");
-
+
/* Do bigarray test */
bigarray = malloc(1 << 29);
exit(1);
ext2fs_clear_bit(BIG_TEST_BIT, bigarray);
-
+
printf("big bit number (%u) test: %d, expected 0\n", BIG_TEST_BIT,
- bigarray[BIG_TEST_BIT >> 3], 0);
+ bigarray[BIG_TEST_BIT >> 3]);
if (bigarray[BIG_TEST_BIT >> 3] != 0)
exit(1);
}
}
printf("ext2fs_clear_bit test succeed.\n");
-
+
bigarray[BIG_TEST_BIT >> 3] = 0;
exit(1);
ext2fs_fast_clear_bit(BIG_TEST_BIT, bigarray);
-
+
printf("big bit number (%u) test: %d, expected 0\n", BIG_TEST_BIT,
- bigarray[BIG_TEST_BIT >> 3], 0);
+ bigarray[BIG_TEST_BIT >> 3]);
if (bigarray[BIG_TEST_BIT >> 3] != 0)
exit(1);
printf("ext2fs_fast_set_bit big_test successful\n");
+ /* Repeat foregoing tests for 64-bit bitops */
+
+ /* Test test_bit */
+ for (i=0,j=0; i < size; i++) {
+ if (ext2fs_test_bit64(i, bitarray)) {
+ if (bits_list[j] == i) {
+ j++;
+ } else {
+ printf("64-bit: Bit %d set, not expected\n",
+ i);
+ exit(1);
+ }
+ } else {
+ if (bits_list[j] == i) {
+ printf("64-bit: "
+ "Expected bit %d to be clear.\n", i);
+ exit(1);
+ }
+ }
+ }
+ printf("64-bit: ext2fs_test_bit appears to be correct\n");
+
+ /* Test ext2fs_set_bit */
+ memset(testarray, 0, sizeof(testarray));
+ for (i=0; bits_list[i] > 0; i++) {
+ ext2fs_set_bit64(bits_list[i], testarray);
+ }
+ if (memcmp(testarray, bitarray, sizeof(testarray)) == 0) {
+ printf("64-bit: ext2fs_set_bit test succeeded.\n");
+ } else {
+ printf("64-bit: ext2fs_set_bit test failed.\n");
+ for (i=0; i < sizeof(testarray); i++) {
+ printf("%02x ", testarray[i]);
+ }
+ printf("\n");
+ exit(1);
+ }
+ for (i=0; bits_list[i] > 0; i++) {
+ ext2fs_clear_bit64(bits_list[i], testarray);
+ }
+ for (i=0; i < sizeof(testarray); i++) {
+ if (testarray[i]) {
+ printf("64-bit: ext2fs_clear_bit failed, "
+ "testarray[%d] is %d\n", i, testarray[i]);
+ exit(1);
+ }
+ }
+ printf("64-bit: ext2fs_clear_bit test succeed.\n");
+
+ /* Do bigarray test */
+ bigarray = malloc(1 << 29);
+ if (!bigarray) {
+ fprintf(stderr, "Failed to allocate scratch memory!\n");
+ exit(1);
+ }
+
+ bigarray[BIG_TEST_BIT >> 3] = 0;
+
+ ext2fs_set_bit64(BIG_TEST_BIT, bigarray);
+ printf("64-bit: big bit number (%u) test: %d, expected %d\n",
+ BIG_TEST_BIT, bigarray[BIG_TEST_BIT >> 3],
+ (1 << (BIG_TEST_BIT & 7)));
+ if (bigarray[BIG_TEST_BIT >> 3] != (1 << (BIG_TEST_BIT & 7)))
+ exit(1);
+
+ ext2fs_clear_bit64(BIG_TEST_BIT, bigarray);
+
+ printf("64-bit: big bit number (%u) test: %d, expected 0\n",
+ BIG_TEST_BIT,
+ bigarray[BIG_TEST_BIT >> 3]);
+ if (bigarray[BIG_TEST_BIT >> 3] != 0)
+ exit(1);
+
+ printf("64-bit: ext2fs_set_bit big_test successful\n");
+
+ /* Now test ext2fs_fast_set_bit */
+ memset(testarray, 0, sizeof(testarray));
+ for (i=0; bits_list[i] > 0; i++) {
+ ext2fs_fast_set_bit64(bits_list[i], testarray);
+ }
+ if (memcmp(testarray, bitarray, sizeof(testarray)) == 0) {
+ printf("64-bit: ext2fs_fast_set_bit test succeeded.\n");
+ } else {
+ printf("64-bit: ext2fs_fast_set_bit test failed.\n");
+ for (i=0; i < sizeof(testarray); i++) {
+ printf("%02x ", testarray[i]);
+ }
+ printf("\n");
+ exit(1);
+ }
+ for (i=0; bits_list[i] > 0; i++) {
+ ext2fs_clear_bit64(bits_list[i], testarray);
+ }
+ for (i=0; i < sizeof(testarray); i++) {
+ if (testarray[i]) {
+ printf("64-bit: ext2fs_clear_bit failed, "
+ "testarray[%d] is %d\n", i, testarray[i]);
+ exit(1);
+ }
+ }
+ printf("64-bit: ext2fs_clear_bit test succeed.\n");
+
+ bigarray[BIG_TEST_BIT >> 3] = 0;
+
+ ext2fs_fast_set_bit64(BIG_TEST_BIT, bigarray);
+ printf("64-bit: big bit number (%u) test: %d, expected %d\n",
+ BIG_TEST_BIT, bigarray[BIG_TEST_BIT >> 3],
+ (1 << (BIG_TEST_BIT & 7)));
+ if (bigarray[BIG_TEST_BIT >> 3] != (1 << (BIG_TEST_BIT & 7)))
+ exit(1);
+
+ ext2fs_fast_clear_bit64(BIG_TEST_BIT, bigarray);
+
+ printf("64-bit: big bit number (%u) test: %d, expected 0\n",
+ BIG_TEST_BIT, bigarray[BIG_TEST_BIT >> 3]);
+ if (bigarray[BIG_TEST_BIT >> 3] != 0)
+ exit(1);
+
+ printf("64-bit: ext2fs_fast_set_bit big_test successful\n");
+
exit(0);
}