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-rw-r--r--tests/portable/snprintf-t.c126
1 files changed, 52 insertions, 74 deletions
diff --git a/tests/portable/snprintf-t.c b/tests/portable/snprintf-t.c
index c33e0e7..ca6ae61 100644
--- a/tests/portable/snprintf-t.c
+++ b/tests/portable/snprintf-t.c
@@ -1,33 +1,25 @@
-/* $Id$
- *
+/*
* snprintf test suite.
*
+ * Written by Russ Allbery <rra@stanford.edu>
+ * Copyright 2009 Board of Trustees, Leland Stanford Jr. University
* Copyright (c) 2004, 2005, 2006
* by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 1991, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
* 2002, 2003 by The Internet Software Consortium and Rich Salz
*
- * This code is derived from software contributed to the Internet Software
- * Consortium by Rich Salz.
- *
- * 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.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * See LICENSE for licensing terms.
*/
#include <config.h>
#include <portable/system.h>
-#include <tests/libtest.h>
+#include <tests/tap/basic.h>
+/*
+ * Intentionally don't add the printf attribute here since we pass a
+ * zero-length printf format during testing and don't want warnings.
+ */
int test_snprintf(char *str, size_t count, const char *fmt, ...);
int test_vsnprintf(char *str, size_t count, const char *fmt, va_list args);
@@ -94,7 +86,7 @@ static unsigned long long ullong_nums[] = {
static void
-test_format(int n, int truncate, const char *expected, int count,
+test_format(bool truncate, const char *expected, int count,
const char *format, ...)
{
char buf[128];
@@ -104,16 +96,8 @@ test_format(int n, int truncate, const char *expected, int count,
va_start(args, format);
result = test_vsnprintf(buf, truncate ? 32 : sizeof(buf), format, args);
va_end(args);
- if (!strcmp(buf, expected) && result == count) {
- printf("ok %d\n", n);
- } else {
- printf("not ok %d\n", n);
- printf(" format: %s\n", format);
- if (strcmp(buf, expected))
- printf(" saw: %s\n want: %s\n", buf, expected);
- if (result != count)
- printf(" %d != %d\n", result, count);
- }
+ is_string(expected, buf, "format %s, wanted %s", format, expected);
+ is_int(count, result, "...and output length correct");
}
@@ -125,75 +109,69 @@ main(void)
long lcount;
char lgbuf[128];
- test_init((26 + (ARRAY_SIZE(fp_formats) - 1) * ARRAY_SIZE(fp_nums)
- + (ARRAY_SIZE(int_formats) - 1) * ARRAY_SIZE(int_nums)
- + (ARRAY_SIZE(uint_formats) - 1) * ARRAY_SIZE(uint_nums)
- + (ARRAY_SIZE(llong_formats) - 1) * ARRAY_SIZE(llong_nums)
- + (ARRAY_SIZE(ullong_formats) - 1) * ARRAY_SIZE(ullong_nums)));
-
- ok(1, test_snprintf(NULL, 0, "%s", "abcd") == 4);
- ok(2, test_snprintf(NULL, 0, "%d", 20) == 2);
- ok(3, test_snprintf(NULL, 0, "Test %.2s", "abcd") == 7);
- ok(4, test_snprintf(NULL, 0, "%c", 'a') == 1);
- ok(5, test_snprintf(NULL, 0, "") == 0);
-
- test_format(6, 1, "abcd", 4, "%s", "abcd");
- test_format(7, 1, "20", 2, "%d", 20);
- test_format(8, 1, "Test ab", 7, "Test %.2s", "abcd");
- test_format(9, 1, "a", 1, "%c", 'a');
- test_format(10, 1, "", 0, "");
- test_format(11, 1, "abcdefghijklmnopqrstuvwxyz01234", 36, "%s",
- string);
- test_format(12, 1, "abcdefghij", 10, "%.10s", string);
- test_format(13, 1, " abcdefghij", 12, "%12.10s", string);
- test_format(14, 1, " abcdefghijklmnopqrstuvwxyz0", 40, "%40s",
- string);
- test_format(15, 1, "abcdefghij ", 14, "%-14.10s", string);
- test_format(16, 1, " abcdefghijklmnopq", 50, "%50s",
- string);
- test_format(17, 1, "%abcd%", 6, "%%%0s%%", "abcd");
- test_format(18, 1, "", 0, "%.0s", string);
- test_format(19, 1, "abcdefghijklmnopqrstuvwxyz 444", 32, "%.26s %d",
+ plan(8 +
+ (18 + (ARRAY_SIZE(fp_formats) - 1) * ARRAY_SIZE(fp_nums)
+ + (ARRAY_SIZE(int_formats) - 1) * ARRAY_SIZE(int_nums)
+ + (ARRAY_SIZE(uint_formats) - 1) * ARRAY_SIZE(uint_nums)
+ + (ARRAY_SIZE(llong_formats) - 1) * ARRAY_SIZE(llong_nums)
+ + (ARRAY_SIZE(ullong_formats) - 1) * ARRAY_SIZE(ullong_nums)) * 2);
+
+ is_int(4, test_snprintf(NULL, 0, "%s", "abcd"), "simple string length");
+ is_int(2, test_snprintf(NULL, 0, "%d", 20), "number length");
+ is_int(7, test_snprintf(NULL, 0, "Test %.2s", "abcd"), "limited string");
+ is_int(1, test_snprintf(NULL, 0, "%c", 'a'), "character length");
+ is_int(0, test_snprintf(NULL, 0, ""), "empty format length");
+
+ test_format(true, "abcd", 4, "%s", "abcd");
+ test_format(true, "20", 2, "%d", 20);
+ test_format(true, "Test ab", 7, "Test %.2s", "abcd");
+ test_format(true, "a", 1, "%c", 'a');
+ test_format(true, "", 0, "");
+ test_format(true, "abcdefghijklmnopqrstuvwxyz01234", 36, "%s", string);
+ test_format(true, "abcdefghij", 10, "%.10s", string);
+ test_format(true, " abcdefghij", 12, "%12.10s", string);
+ test_format(true, " abcdefghijklmnopqrstuvwxyz0", 40, "%40s", string);
+ test_format(true, "abcdefghij ", 14, "%-14.10s", string);
+ test_format(true, " abcdefghijklmnopq", 50, "%50s", string);
+ test_format(true, "%abcd%", 6, "%%%0s%%", "abcd");
+ test_format(true, "", 0, "%.0s", string);
+ test_format(true, "abcdefghijklmnopqrstuvwxyz 444", 32, "%.26s %d",
string, 4444);
- test_format(20, 1, "abcdefghijklmnopqrstuvwxyz -2.", 32,
- "%.26s %.1f", string, -2.5);
- test_format(21, 1, "abcdefghij4444", 14, "%.10s%n%d", string, &count,
- 4444);
- ok(22, count == 10);
- test_format(23, 1, "abcdefghijklmnopqrstuvwxyz01234", 36, "%n%s%ln",
+ test_format(true, "abcdefghijklmnopqrstuvwxyz -2.", 32, "%.26s %.1f",
+ string, -2.5);
+ test_format(true, "abcdefghij4444", 14, "%.10s%n%d", string, &count, 4444);
+ is_int(10, count, "correct output from %%n");
+ test_format(true, "abcdefghijklmnopqrstuvwxyz01234", 36, "%n%s%ln",
&count, string, &lcount);
- ok(24, count == 0);
- ok(25, lcount == 31);
- test_format(26, 1, "(null)", 6, "%s", NULL);
+ is_int(0, count, "correct output from two %%n");
+ is_int(31, lcount, "correct output from long %%ln");
+ test_format(true, "(null)", 6, "%s", NULL);
n = 26;
for (i = 0; fp_formats[i] != NULL; i++)
for (j = 0; j < ARRAY_SIZE(fp_nums); j++) {
count = sprintf(lgbuf, fp_formats[i], fp_nums[j]);
- test_format(++n, 0, lgbuf, count, fp_formats[i], fp_nums[j]);
+ test_format(false, lgbuf, count, fp_formats[i], fp_nums[j]);
}
for (i = 0; int_formats[i] != NULL; i++)
for (j = 0; j < ARRAY_SIZE(int_nums); j++) {
count = sprintf(lgbuf, int_formats[i], int_nums[j]);
- test_format(++n, 0, lgbuf, count, int_formats[i],
- int_nums[j]);
+ test_format(false, lgbuf, count, int_formats[i], int_nums[j]);
}
for (i = 0; uint_formats[i] != NULL; i++)
for (j = 0; j < ARRAY_SIZE(uint_nums); j++) {
count = sprintf(lgbuf, uint_formats[i], uint_nums[j]);
- test_format(++n, 0, lgbuf, count, uint_formats[i],
- uint_nums[j]);
+ test_format(false, lgbuf, count, uint_formats[i], uint_nums[j]);
}
for (i = 0; llong_formats[i] != NULL; i++)
for (j = 0; j < ARRAY_SIZE(llong_nums); j++) {
count = sprintf(lgbuf, llong_formats[i], llong_nums[j]);
- test_format(++n, 0, lgbuf, count, llong_formats[i],
- llong_nums[j]);
+ test_format(false, lgbuf, count, llong_formats[i], llong_nums[j]);
}
for (i = 0; ullong_formats[i] != NULL; i++)
for (j = 0; j < ARRAY_SIZE(ullong_nums); j++) {
count = sprintf(lgbuf, ullong_formats[i], ullong_nums[j]);
- test_format(++n, 0, lgbuf, count, ullong_formats[i],
+ test_format(false, lgbuf, count, ullong_formats[i],
ullong_nums[j]);
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-06 17:11:30 +0000