128 lines
4.1 KiB
C
128 lines
4.1 KiB
C
/*---
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This software is copyrighted by the Regents of the University of
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California, and other parties. The following terms apply to all files
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associated with the software unless explicitly disclaimed in
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individual files.
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The authors hereby grant permission to use, copy, modify, distribute,
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and license this software and its documentation for any purpose,
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provided that existing copyright notices are retained in all copies
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and that this notice is included verbatim in any distributions. No
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written agreement, license, or royalty fee is required for any of the
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authorized uses. Modifications to this software may be copyrighted by
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their authors and need not follow the licensing terms described here,
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provided that the new terms are clearly indicated on the first page of
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each file where they apply.
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IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
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FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
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DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND
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NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND
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THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE
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MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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GOVERNMENT USE: If you are acquiring this software on behalf of the
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U.S. government, the Government shall have only "Restricted Rights" in
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the software and related documentation as defined in the Federal
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Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you are
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acquiring the software on behalf of the Department of Defense, the
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software shall be classified as "Commercial Computer Software" and the
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Government shall have only "Restricted Rights" as defined in Clause
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252.227-7013 (c) (1) of DFARs. Notwithstanding the foregoing, the
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authors grant the U.S. Government and others acting in its behalf
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permission to use and distribute the software in accordance with the
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terms specified in this license.
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---*/
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/*********************************
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* $Id$
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*
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* testing with various strings
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* *******************************/
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#include <assert.h>
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#include "test.h"
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#define VERBOSE 0
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#define SEED 5095
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int test(int argc, char **argv) {
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int xid;
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recordid rec;
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int num_trials;
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/* counters */
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int i;
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char c;
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/* used for making the random strings*/
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double r;
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int start, end;
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/* used to make a long string */
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char first_printable_ascii = ' ';
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char last_printable_ascii = '~';
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int ascii_length = (int)(last_printable_ascii - first_printable_ascii);
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char *ASCII = (char *)malloc(sizeof(char) * ascii_length);
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/* an array of strings */
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char *string;
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/* if (argc != 2) {
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printf("usage: %s <num trials> argc=%d, %d\n", argv[0], argc, argc_orig);
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exit(-1);
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} */
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InitiateRecovery();
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/* create the long string from which random strings will be made */
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for (c = 0; c < ascii_length; c++) {
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ASCII[(int)c] = first_printable_ascii + c;
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}
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if (argc != 2) {
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printf("usage: %s <num trials>\n", argv[0]);
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exit(-1);
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}
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num_trials = atoi(argv[1]);
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srand(SEED);
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for (i = 0; i < num_trials; i++) {
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start = 0;
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end = 0;
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while (start == end) {
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r = ((double)rand()/(double)((double)RAND_MAX+1)); /* returns [0, 1)*/
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r = r*ascii_length;
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start = (int)r; /* an int in the rand [0, ascii_length) */
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r = ((double)rand()/(double)((double)RAND_MAX+1)); /* re turns [0, 1)*/
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r = r*ascii_length;
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end = (int)r; /* an int in the rand [0, ascii_length) */
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}
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if (end < start) {
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int swap = start;
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start = end;
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end = swap;
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}
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string = (char *)malloc(sizeof(char) * (end - start) + 1);
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strncpy(string, ASCII + start, end-start);
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string[end-start] = '\0'; /* make the string null terminated */
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xid = Tbegin();
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rec = Talloc(xid, sizeof(char)*(strlen(string) +1));
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if (VERBOSE) {
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printf("%d, %s\n", i, string);
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printf("rid is (%d, %d)\n", rec.page, rec.slot);
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}
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Tset(xid, rec, string);
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free (string);
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Tcommit(xid);
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}
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return 0;
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}
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