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      1 /* $NetBSD: t_atoi.c,v 1.3 2019/02/03 10:48:46 mrg 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 1.3 2019/02/03 10:48:46 mrg 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[320];
     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 }
    122