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+ /*
+ ** TS - OSSP Test Suite Library
+ ** Copyright (c) 2001-2002 Ralf S. Engelschall <rse@engelschall.com>
+ ** Copyright (c) 2001-2002 The OSSP Project <http://www.ossp.org/>
+ ** Copyright (c) 2001-2002 Cable & Wireless Deutschland <http://www.cw.com/de/>
+ **
+ ** This file is part of OSSP TS, a small test suite library which
+ ** can be found at http://www.ossp.org/pkg/ts/.
+ **
+ ** Permission to use, copy, modify, and distribute this software for
+ ** any purpose with or without fee is hereby granted, provided that
+ ** the above copyright notice and this permission notice appear in all
+ ** copies.
+ **
+ ** THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 AUTHORS AND COPYRIGHT HOLDERS AND THEIR
+ ** 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.
+ **
+ ** ts.c: test suite library
+ */
+
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
+ #include <stdarg.h>
+
+ #include "ts.h"
+
+ /* embedded ring data structure library */
+ #define RING_ENTRY(elem) \
+ struct { elem *next; elem *prev; }
+ #define RING_HEAD(elem) \
+ struct { elem *next; elem *prev; }
+ #define RING_SENTINEL(hp, elem, link) \
+ (elem *)((char *)(hp) - ((size_t)(&((elem *)0)->link)))
+ #define RING_FIRST(hp) \
+ (hp)->next
+ #define RING_LAST(hp) \
+ (hp)->prev
+ #define RING_NEXT(ep, link) \
+ (ep)->link.next
+ #define RING_PREV(ep, link) \
+ (ep)->link.prev
+ #define RING_INIT(hp, elem, link) \
+ do { RING_FIRST((hp)) = RING_SENTINEL((hp), elem, link); \
+ RING_LAST((hp)) = RING_SENTINEL((hp), elem, link); } while (0)
+ #define RING_EMPTY(hp, elem, link) \
+ (RING_FIRST((hp)) == RING_SENTINEL((hp), elem, link))
+ #define RING_ELEM_INIT(ep, link) \
+ do { RING_NEXT((ep), link) = (ep); \
+ RING_PREV((ep), link) = (ep); } while (0)
+ #define RING_SPLICE_BEFORE(lep, ep1, epN, link) \
+ do { RING_NEXT((epN), link) = (lep); \
+ RING_PREV((ep1), link) = RING_PREV((lep), link); \
+ RING_NEXT(RING_PREV((lep), link), link) = (ep1); \
+ RING_PREV((lep), link) = (epN); } while (0)
+ #define RING_SPLICE_TAIL(hp, ep1, epN, elem, link) \
+ RING_SPLICE_BEFORE(RING_SENTINEL((hp), elem, link), (ep1), (epN), link)
+ #define RING_INSERT_TAIL(hp, nep, elem, link) \
+ RING_SPLICE_TAIL((hp), (nep), (nep), elem, link)
+ #define RING_FOREACH(ep, hp, elem, link) \
+ for ((ep) = RING_FIRST((hp)); \
+ (ep) != RING_SENTINEL((hp), elem, link); \
+ (ep) = RING_NEXT((ep), link))
+
+ /* test suite test log */
+ struct tstl_st;
+ typedef struct tstl_st tstl_t;
+ struct tstl_st {
+ RING_ENTRY(tstl_t) next;
+ char *text;
+ const char *file;
+ int line;
+ };
+
+ /* test suite test check */
+ struct tstc_st;
+ typedef struct tstc_st tstc_t;
+ struct tstc_st {
+ RING_ENTRY(tstc_t) next;
+ char *title;
+ int failed;
+ const char *file;
+ int line;
+ RING_HEAD(tstl_t) logs;
+ };
+
+ /* test suite test */
+ struct ts_test_st {
+ RING_ENTRY(ts_test_t) next;
+ char *title;
+ ts_test_cb_t func;
+ const char *file;
+ int line;
+ RING_HEAD(tstc_t) checks;
+ };
+
+ /* test suite */
+ struct ts_suite_st {
+ char *title;
+ RING_HEAD(ts_test_t) tests;
+ };
+
+ /* minimal output-independent vprintf(3) variant which supports %{c,s,d,%} only */
+ static int ts_suite_mvxprintf(char *buffer, size_t bufsize, const char *format, va_list ap)
+ {
+ /* sufficient integer buffer: <available-bits> x log_10(2) + safety */
+ char ibuf[((sizeof(int)*8)/3)+10];
+ char *cp;
+ char c;
+ int d;
+ int n;
+ int bytes;
+
+ if (format == NULL || ap == NULL)
+ return -1;
+ bytes = 0;
+ while (*format != '\0') {
+ if (*format == '%') {
+ c = *(format+1);
+ if (c == '%') {
+ /* expand "%%" */
+ cp = &c;
+ n = sizeof(char);
+ }
+ else if (c == 'c') {
+ /* expand "%c" */
+ c = (char)va_arg(ap, int);
+ cp = &c;
+ n = sizeof(char);
+ }
+ else if (c == 's') {
+ /* expand "%s" */
+ if ((cp = (char *)va_arg(ap, char *)) == NULL)
+ cp = "(null)";
+ n = strlen(cp);
+ }
+ else if (c == 'd') {
+ /* expand "%d" */
+ d = (int)va_arg(ap, int);
+ #ifdef HAVE_SNPRINTF
+ snprintf(ibuf, sizeof(ibuf), "%d", d); /* explicitly secure */
+ #else
+ sprintf(ibuf, "%d", d); /* implicitly secure */
+ #endif
+ cp = ibuf;
+ n = strlen(cp);
+ }
+ else {
+ /* any other "%X" */
+ cp = (char *)format;
+ n = 2;
+ }
+ format += 2;
+ }
+ else {
+ /* plain text */
+ cp = (char *)format;
+ if ((format = strchr(cp, '%')) == NULL)
+ format = strchr(cp, '\0');
+ n = format - cp;
+ }
+ /* perform output operation */
+ if (buffer != NULL) {
+ if (n > bufsize)
+ return -1;
+ memcpy(buffer, cp, n);
+ buffer += n;
+ bufsize -= n;
+ }
+ bytes += n;
+ }
+ /* nul-terminate output */
+ if (buffer != NULL) {
+ if (bufsize == 0)
+ return -1;
+ *buffer = '\0';
+ }
+ return bytes;
+ }
+
+ /* minimal vasprintf(3) variant which supports %{c,s,d} only */
+ static char *ts_suite_mvasprintf(const char *format, va_list ap)
+ {
+ char *buffer;
+ int n;
+ va_list ap2;
+
+ if (format == NULL || ap == NULL)
+ return NULL;
+ ap2 = ap;
+ if ((n = ts_suite_mvxprintf(NULL, 0, format, ap)) == -1)
+ return NULL;
+ if ((buffer = (char *)malloc(n+1)) == NULL)
+ return NULL;
+ ts_suite_mvxprintf(buffer, n+1, format, ap2);
+ return buffer;
+ }
+
+ /* minimal asprintf(3) variant which supports %{c,s,d} only */
+ static char *ts_suite_masprintf(const char *format, ...)
+ {
+ va_list ap;
+ char *cp;
+
+ va_start(ap, format);
+ cp = ts_suite_mvasprintf(format, ap);
+ va_end(ap);
+ return cp;
+ }
+
+ /* create test suite */
+ ts_suite_t *ts_suite_new(const char *fmt, ...)
+ {
+ ts_suite_t *ts;
+ va_list ap;
+
+ if ((ts = (ts_suite_t *)malloc(sizeof(ts_suite_t))) == NULL)
+ return NULL;
+ va_start(ap, fmt);
+ ts->title = ts_suite_mvasprintf(fmt, ap);
+ RING_INIT(&ts->tests, ts_test_t, next);
+ va_end(ap);
+ return ts;
+ }
+
+ /* add test case to test suite */
+ void ts_suite_test(ts_suite_t *ts, ts_test_cb_t func, const char *fmt, ...)
+ {
+ ts_test_t *tst;
+ va_list ap;
+
+ if (ts == NULL || func == NULL || fmt == NULL)
+ return;
+ if ((tst = (ts_test_t *)malloc(sizeof(ts_test_t))) == NULL)
+ return;
+ RING_ELEM_INIT(tst, next);
+ va_start(ap, fmt);
+ tst->title = ts_suite_mvasprintf(fmt, ap);
+ va_end(ap);
+ tst->func = func;
+ tst->file = NULL;
+ tst->line = 0;
+ RING_INIT(&tst->checks, tstc_t, next);
+ RING_INSERT_TAIL(&ts->tests, tst, ts_test_t, next);
+ return;
+ }
+
+ /* run test suite */
+ int ts_suite_run(ts_suite_t *ts)
+ {
+ ts_test_t *tst;
+ tstc_t *tstc;
+ tstl_t *tstl;
+ int total_tests, total_tests_suite_failed;
+ int total_checks, total_checks_failed;
+ int test_checks, test_checks_failed;
+ const char *file;
+ int line;
+ char *cp;
+
+ if (ts == NULL)
+ return 0;
+
+ /* init total counters */
+ total_tests = 0;
+ total_tests_suite_failed = 0;
+ total_checks = 0;
+ total_checks_failed = 0;
+
+ fprintf(stdout, "\n");
+ fprintf(stdout, " Test Suite: %s\n", ts->title);
+ fprintf(stdout, " __________________________________________________________________\n");
+ fprintf(stdout, "\n");
+ fflush(stdout);
+
+ /* iterate through all test cases */
+ RING_FOREACH(tst, &ts->tests, ts_test_t, next) {
+ cp = ts_suite_masprintf(" Test: %s ........................................"
+ "........................................", tst->title);
+ cp[60] = '\0';
+ fprintf(stdout, "%s", cp);
+ free(cp);
+ fflush(stdout);
+
+ /* init test case counters */
+ test_checks = 0;
+ test_checks_failed = 0;
+
+ /* run the test case function */
+ tst->func(tst);
+
+ /* iterate through all performed checks to determine status */
+ RING_FOREACH(tstc, &tst->checks, tstc_t, next) {
+ test_checks++;
+ if (tstc->failed)
+ test_checks_failed++;
+ }
+
+ if (test_checks_failed > 0) {
+ /* some checks failed, so do detailed reporting of test case */
+ fprintf(stdout, " FAILED\n");
+ fprintf(stdout, " Ops, %d/%d checks failed! Detailed report follows:\n",
+ test_checks_failed, test_checks);
+ RING_FOREACH(tstc, &tst->checks, tstc_t, next) {
+ file = (tstc->file != NULL ? tstc->file : tst->file);
+ line = (tstc->line != 0 ? tstc->line : tst->line);
+ if (file != NULL)
+ fprintf(stdout, " Check: %s [%s:%d]\n", tstc->title, file, line);
+ else
+ fprintf(stdout, " Check: %s\n", tstc->title);
+ RING_FOREACH(tstl, &tstc->logs, tstl_t, next) {
+ file = (tstl->file != NULL ? tstl->file : file);
+ line = (tstl->line != 0 ? tstl->line : line);
+ if (file != NULL)
+ fprintf(stdout, " Log: %s [%s:%d]\n", tstl->text, file, line);
+ else
+ fprintf(stdout, " Log: %s\n", tstl->text);
+ }
+ }
+ }
+ else {
+ /* test case ran successfully */
+ fprintf(stdout, ".... OK\n");
+ }
+ fflush(stdout);
+
+ /* accumulate counters */
+ total_checks += test_checks;
+ total_tests++;
+ if (test_checks_failed > 0) {
+ total_checks_failed += test_checks_failed;
+ total_tests_suite_failed++;
+ }
+ }
+
+ /* print test suite summary */
+ fprintf(stdout, " __________________________________________________________________\n");
+ fprintf(stdout, "\n");
+ fprintf(stdout, " Test Summary: %d tests (%d ok, %d failed), %d checks (%d ok, %d failed)\n",
+ total_tests, (total_tests - total_tests_suite_failed), total_tests_suite_failed,
+ total_checks, (total_checks - total_checks_failed), total_checks_failed);
+ if (total_tests_suite_failed > 0)
+ fprintf(stdout, " Test Suite: FAILED\n");
+ else
+ fprintf(stdout, " Test Suite: OK\n");
+ fprintf(stdout, "\n");
+ fflush(stdout);
+
+ return total_checks_failed;
+ }
+
+ /* destroy test suite */
+ void ts_suite_free(ts_suite_t *ts)
+ {
+ ts_test_t *tst;
+ tstc_t *tstc;
+ tstl_t *tstl;
+
+ if (ts == NULL)
+ return;
+ RING_FOREACH(tst, &ts->tests, ts_test_t, next) {
+ RING_FOREACH(tstc, &tst->checks, tstc_t, next) {
+ RING_FOREACH(tstl, &tstc->logs, tstl_t, next) {
+ free(tstl->text);
+ }
+ free(tstc->title);
+ free(tstc);
+ }
+ free(tst->title);
+ free(tst);
+ }
+ free(tst->title);
+ free(ts);
+ return;
+ }
+
+ /* annotate test case with file name and line number */
+ ts_test_t *ts_test_ctx(ts_test_t *tst, const char *file, int line)
+ {
+ if (tst != NULL && file != NULL) {
+ tst->file = file;
+ tst->line = line;
+ }
+ return tst;
+ }
+
+ /* annotate test case with check */
+ void ts_test_check(ts_test_t *tst, const char *fmt, ...)
+ {
+ tstc_t *tstc;
+ va_list ap;
+
+ if (tst == NULL || fmt == NULL)
+ return;
+ if ((tstc = (tstc_t *)malloc(sizeof(tstc_t))) == NULL)
+ return;
+ va_start(ap, fmt);
+ RING_ELEM_INIT(tstc, next);
+ tstc->title = ts_suite_mvasprintf(fmt, ap);
+ tstc->failed = 0;
+ tstc->file = tst->file;
+ tstc->line = tst->line;
+ RING_INIT(&tstc->logs, tstl_t, next);
+ RING_INSERT_TAIL(&tst->checks, tstc, tstc_t, next);
+ va_end(ap);
+ return;
+ }
+
+ /* annotate test case with log message and failure */
+ void ts_test_fail(ts_test_t *tst, const char *fmt, ...)
+ {
+ tstc_t *tstc;
+ tstl_t *tstl;
+ va_list ap;
+
+ if (tst == NULL || fmt == NULL)
+ return;
+ if ((tstl = (tstl_t *)malloc(sizeof(tstl_t))) == NULL)
+ return;
+ va_start(ap, fmt);
+ tstl->text = ts_suite_mvasprintf(fmt, ap);
+ tstl->file = tst->file;
+ tstl->line = tst->line;
+ RING_ELEM_INIT(tstl, next);
+ tstc = RING_LAST(&tst->checks);
+ RING_INSERT_TAIL(&tstc->logs, tstl, tstl_t, next);
+ tstc->failed = 1;
+ va_end(ap);
+ return;
+ }
+
+ /* annotate test case with log message only */
+ void ts_test_log(ts_test_t *tst, const char *fmt, ...)
+ {
+ tstc_t *tstc;
+ tstl_t *tstl;
+ va_list ap;
+
+ if (tst == NULL || fmt == NULL)
+ return;
+ if ((tstl = (tstl_t *)malloc(sizeof(tstl_t))) == NULL)
+ return;
+ va_start(ap, fmt);
+ tstl->text = ts_suite_mvasprintf(fmt, ap);
+ tstl->file = tst->file;
+ tstl->line = tst->line;
+ RING_ELEM_INIT(tstl, next);
+ tstc = RING_LAST(&tst->checks);
+ RING_INSERT_TAIL(&tstc->logs, tstl, tstl_t, next);
+ va_end(ap);
+ return;
+ }
+
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