1 /* $NetBSD: t_printf.c,v 1.8 2012/04/11 16:21:42 jruoho Exp $ */
4 * Copyright (c) 2010 The NetBSD Foundation, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
29 #include <sys/types.h>
30 #include <sys/resource.h>
44 ATF_TC_HEAD(snprintf_c99, tc)
47 atf_tc_set_md_var(tc, "descr",
48 "Test printf(3) C99 conformance (PR lib/22019)");
51 ATF_TC_BODY(snprintf_c99, tc)
55 (void)memset(s, '\0', sizeof(s));
56 (void)snprintf(s, sizeof(s), "%#.o", 0);
57 (void)printf("printf = %#.o\n", 0);
58 (void)fprintf(stderr, "snprintf = %s", s);
60 ATF_REQUIRE(strlen(s) == 1);
61 ATF_REQUIRE(s[0] == '0');
64 ATF_TC(snprintf_dotzero);
65 ATF_TC_HEAD(snprintf_dotzero, tc)
68 atf_tc_set_md_var(tc, "descr",
69 "PR lib/32951: %%.0f formats (0.0,0.5] to \"0.\"");
72 ATF_TC_BODY(snprintf_dotzero, tc)
76 ATF_CHECK(snprintf(s, sizeof(s), "%.0f", 0.1) == 1);
77 ATF_REQUIRE_STREQ(s, "0");
80 ATF_TC(snprintf_posarg);
81 ATF_TC_HEAD(snprintf_posarg, tc)
84 atf_tc_set_md_var(tc, "descr", "test for positional arguments");
87 ATF_TC_BODY(snprintf_posarg, tc)
91 ATF_CHECK(snprintf(s, sizeof(s), "%1$d", -23) == 3);
92 ATF_REQUIRE_STREQ(s, "-23");
95 ATF_TC(snprintf_posarg_width);
96 ATF_TC_HEAD(snprintf_posarg_width, tc)
99 atf_tc_set_md_var(tc, "descr", "test for positional arguments with "
103 ATF_TC_BODY(snprintf_posarg_width, tc)
107 ATF_CHECK(snprintf(s, sizeof(s), "%1$*2$d", -23, 4) == 4);
108 ATF_REQUIRE_STREQ(s, " -23");
111 ATF_TC(snprintf_posarg_error);
112 ATF_TC_HEAD(snprintf_posarg_error, tc)
115 atf_tc_set_md_var(tc, "descr", "test for positional arguments out "
119 ATF_TC_BODY(snprintf_posarg_error, tc)
124 atf_tc_expect_signal(SIGSEGV,
125 "some non-NetBSD platforms including FreeBSD don't validate "
126 "negative size; testcase blows up with SIGSEGV");
129 snprintf(fmt, sizeof(fmt), "%%%zu$d", SIZE_MAX / sizeof(size_t));
131 ATF_CHECK(snprintf(s, sizeof(s), fmt, -23) == -1);
134 ATF_TC(snprintf_float);
135 ATF_TC_HEAD(snprintf_float, tc)
138 atf_tc_set_md_var(tc, "descr", "test that floating conversions don't"
142 ATF_TC_BODY(snprintf_float, tc)
153 rl.rlim_cur = rl.rlim_max = 1 * 1024 * 1024;
154 ATF_CHECK(setrlimit(RLIMIT_AS, &rl) != -1);
155 rl.rlim_cur = rl.rlim_max = 1 * 1024 * 1024;
156 ATF_CHECK(setrlimit(RLIMIT_DATA, &rl) != -1);
160 for (size_t i = 0; i < 10000; i++) {
163 u.bits = (uint64_t)uh << 32 | ul;
164 ATF_CHECK(snprintf(buf, sizeof buf, " %.2f", u.d) != -1);
168 ATF_TC(sprintf_zeropad);
169 ATF_TC_HEAD(sprintf_zeropad, tc)
171 atf_tc_set_md_var(tc, "descr",
172 "Test output format zero padding (PR lib/44113)");
175 ATF_TC_BODY(sprintf_zeropad, tc)
179 ATF_CHECK(sprintf(str, "%010f", 0.0) == 10);
180 ATF_REQUIRE_STREQ(str, "000.000000");
184 /* printf(3) should ignore zero padding for nan/inf */
185 ATF_CHECK(sprintf(str, "%010f", NAN) == 10);
186 ATF_REQUIRE_STREQ(str, " nan");
187 ATF_CHECK(sprintf(str, "%010f", INFINITY) == 10);
188 ATF_REQUIRE_STREQ(str, " inf");
195 ATF_TP_ADD_TC(tp, snprintf_c99);
196 ATF_TP_ADD_TC(tp, snprintf_dotzero);
197 ATF_TP_ADD_TC(tp, snprintf_posarg);
198 ATF_TP_ADD_TC(tp, snprintf_posarg_width);
199 ATF_TP_ADD_TC(tp, snprintf_posarg_error);
200 ATF_TP_ADD_TC(tp, snprintf_float);
201 ATF_TP_ADD_TC(tp, sprintf_zeropad);
203 return atf_no_error();