195 lines
4.7 KiB
C
195 lines
4.7 KiB
C
/* $NetBSD: t_printf.c,v 1.8 2012/04/11 16:21:42 jruoho Exp $ */
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/*-
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* Copyright (c) 2010 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/resource.h>
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#include <atf-c.h>
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#include <math.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <time.h>
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#include <stdlib.h>
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ATF_TC(snprintf_c99);
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ATF_TC_HEAD(snprintf_c99, tc)
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{
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atf_tc_set_md_var(tc, "descr",
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"Test printf(3) C99 conformance (PR lib/22019)");
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}
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ATF_TC_BODY(snprintf_c99, tc)
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{
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char s[4];
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(void)memset(s, '\0', sizeof(s));
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(void)snprintf(s, sizeof(s), "%#.o", 0);
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(void)printf("printf = %#.o\n", 0);
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(void)fprintf(stderr, "snprintf = %s", s);
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ATF_REQUIRE(strlen(s) == 1);
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ATF_REQUIRE(s[0] == '0');
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}
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ATF_TC(snprintf_dotzero);
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ATF_TC_HEAD(snprintf_dotzero, tc)
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{
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atf_tc_set_md_var(tc, "descr",
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"PR lib/32951: %%.0f formats (0.0,0.5] to \"0.\"");
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}
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ATF_TC_BODY(snprintf_dotzero, tc)
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{
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char s[4];
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ATF_CHECK(snprintf(s, sizeof(s), "%.0f", 0.1) == 1);
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ATF_REQUIRE_STREQ(s, "0");
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}
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ATF_TC(snprintf_posarg);
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ATF_TC_HEAD(snprintf_posarg, tc)
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{
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atf_tc_set_md_var(tc, "descr", "test for positional arguments");
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}
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ATF_TC_BODY(snprintf_posarg, tc)
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{
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char s[16];
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ATF_CHECK(snprintf(s, sizeof(s), "%1$d", -23) == 3);
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ATF_REQUIRE_STREQ(s, "-23");
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}
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ATF_TC(snprintf_posarg_width);
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ATF_TC_HEAD(snprintf_posarg_width, tc)
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{
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atf_tc_set_md_var(tc, "descr", "test for positional arguments with "
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"field width");
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}
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ATF_TC_BODY(snprintf_posarg_width, tc)
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{
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char s[16];
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ATF_CHECK(snprintf(s, sizeof(s), "%1$*2$d", -23, 4) == 4);
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ATF_REQUIRE_STREQ(s, " -23");
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}
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ATF_TC(snprintf_posarg_error);
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ATF_TC_HEAD(snprintf_posarg_error, tc)
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{
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atf_tc_set_md_var(tc, "descr", "test for positional arguments out "
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"of bounds");
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}
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ATF_TC_BODY(snprintf_posarg_error, tc)
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{
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char s[16], fmt[32];
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snprintf(fmt, sizeof(fmt), "%%%zu$d", SIZE_MAX / sizeof(size_t));
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ATF_CHECK(snprintf(s, sizeof(s), fmt, -23) == -1);
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}
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ATF_TC(snprintf_float);
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ATF_TC_HEAD(snprintf_float, tc)
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{
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atf_tc_set_md_var(tc, "descr", "test that floating conversions don't"
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" leak memory");
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}
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ATF_TC_BODY(snprintf_float, tc)
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{
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union {
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double d;
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uint64_t bits;
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} u;
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uint32_t ul, uh;
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time_t now;
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char buf[1000];
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struct rlimit rl;
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rl.rlim_cur = rl.rlim_max = 1 * 1024 * 1024;
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ATF_CHECK(setrlimit(RLIMIT_AS, &rl) != -1);
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rl.rlim_cur = rl.rlim_max = 1 * 1024 * 1024;
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ATF_CHECK(setrlimit(RLIMIT_DATA, &rl) != -1);
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time(&now);
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srand(now);
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for (size_t i = 0; i < 10000; i++) {
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ul = rand();
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uh = rand();
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u.bits = (uint64_t)uh << 32 | ul;
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ATF_CHECK(snprintf(buf, sizeof buf, " %.2f", u.d) != -1);
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}
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}
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ATF_TC(sprintf_zeropad);
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ATF_TC_HEAD(sprintf_zeropad, tc)
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{
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atf_tc_set_md_var(tc, "descr",
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"Test output format zero padding (PR lib/44113)");
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}
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ATF_TC_BODY(sprintf_zeropad, tc)
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{
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char str[1024];
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ATF_CHECK(sprintf(str, "%010f", 0.0) == 10);
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ATF_REQUIRE_STREQ(str, "000.000000");
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/* ieeefp */
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#ifndef __vax__
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/* printf(3) should ignore zero padding for nan/inf */
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ATF_CHECK(sprintf(str, "%010f", NAN) == 10);
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ATF_REQUIRE_STREQ(str, " nan");
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ATF_CHECK(sprintf(str, "%010f", INFINITY) == 10);
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ATF_REQUIRE_STREQ(str, " inf");
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#endif
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, snprintf_c99);
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ATF_TP_ADD_TC(tp, snprintf_dotzero);
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ATF_TP_ADD_TC(tp, snprintf_posarg);
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ATF_TP_ADD_TC(tp, snprintf_posarg_width);
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ATF_TP_ADD_TC(tp, snprintf_posarg_error);
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ATF_TP_ADD_TC(tp, snprintf_float);
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ATF_TP_ADD_TC(tp, sprintf_zeropad);
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return atf_no_error();
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}
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