tests/lib/libc/stdlib/t_atoi.c

   1 /* $NetBSD: t_atoi.c,v 1.2 2012/03/29 05:56:36 jruoho Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2012 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jukka Ruohonen.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31 #include <sys/cdefs.h>
  32 __RCSID("$NetBSD: t_atoi.c,v 1.2 2012/03/29 05:56:36 jruoho Exp $");
  33
  34 #include <atf-c.h>
  35 #include <float.h>
  36 #include <limits.h>
  37 #include <stdio.h>
  38 #include <stdlib.h>
  39
  40 ATF_TC(atof_strtod);
  41 ATF_TC_HEAD(atof_strtod, tc)
  42 {
  43         atf_tc_set_md_var(tc, "descr",
  44             "Test that atof(3) matches the corresponding strtod(3) call");
  45 }
  46
  47 ATF_TC_BODY(atof_strtod, tc)
  48 {
  49         char buf[128];
  50
  51         (void)snprintf(buf, sizeof(buf), "%f\n", DBL_MAX);
  52
  53         ATF_REQUIRE(atof("0")  == strtod("0", NULL));
  54         ATF_REQUIRE(atof("-1") == strtod("-1", NULL));
  55         ATF_REQUIRE(atof(buf)  == strtod(buf, NULL));
  56 }
  57
  58 ATF_TC(atoi_strtol);
  59 ATF_TC_HEAD(atoi_strtol, tc)
  60 {
  61         atf_tc_set_md_var(tc, "descr",
  62             "Test that atoi(3) matches the corresponding strtol(3) call");
  63 }
  64
  65 ATF_TC_BODY(atoi_strtol, tc)
  66 {
  67         char buf[64];
  68
  69         (void)snprintf(buf, sizeof(buf), "%d\n", INT_MAX);
  70
  71         ATF_REQUIRE(atoi("0")  == strtol("0", NULL, 10));
  72         ATF_REQUIRE(atoi("-1") == strtol("-1", NULL, 10));
  73         ATF_REQUIRE(atoi(buf)  == strtol(buf, NULL, 10));
  74 }
  75
  76 ATF_TC(atol_strtol);
  77 ATF_TC_HEAD(atol_strtol, tc)
  78 {
  79         atf_tc_set_md_var(tc, "descr",
  80             "Test that atol(3) matches the corresponding strtol(3) call");
  81 }
  82
  83 ATF_TC_BODY(atol_strtol, tc)
  84 {
  85         char buf[64];
  86
  87         (void)snprintf(buf, sizeof(buf), "%ld\n", LONG_MAX);
  88
  89         ATF_REQUIRE(atol("0")  == strtol("0", NULL, 10));
  90         ATF_REQUIRE(atol("-1") == strtol("-1", NULL, 10));
  91         ATF_REQUIRE(atol(buf)  == strtol(buf, NULL, 10));
  92 }
  93
  94 ATF_TC(atoll_strtoll);
  95 ATF_TC_HEAD(atoll_strtoll, tc)
  96 {
  97         atf_tc_set_md_var(tc, "descr",
  98             "Test that atoll(3) matches the corresponding strtoll(3) call");
  99 }
 100
 101 ATF_TC_BODY(atoll_strtoll, tc)
 102 {
 103         char buf[128];
 104
 105         (void)snprintf(buf, sizeof(buf), "%lld\n", LLONG_MAX);
 106
 107         ATF_REQUIRE(atoll("0")  == strtoll("0", NULL, 10));
 108         ATF_REQUIRE(atoll("-1") == strtoll("-1", NULL, 10));
 109         ATF_REQUIRE(atoll(buf)  == strtoll(buf, NULL, 10));
 110 }
 111
 112 ATF_TP_ADD_TCS(tp)
 113 {
 114
 115         ATF_TP_ADD_TC(tp, atof_strtod);
 116         ATF_TP_ADD_TC(tp, atoi_strtol);
 117         ATF_TP_ADD_TC(tp, atol_strtol);
 118         ATF_TP_ADD_TC(tp, atoll_strtoll);
 119
 120         return atf_no_error();
 121 }