tests/lib/libc/stdio/t_scanf.c

   1 /* $NetBSD: t_scanf.c,v 1.3 2012/03/18 07:00:51 jruoho Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  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.
  15  *
  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.
  27  */
  28
  29 #include <atf-c.h>
  30 #include <math.h>
  31 #include <stdio.h>
  32 #include <string.h>
  33
  34 #define NUM     -0x1234
  35 #define STRNUM  ___STRING(NUM)
  36
  37 ATF_TC(sscanf_neghex);
  38 ATF_TC_HEAD(sscanf_neghex, tc)
  39 {
  40         atf_tc_set_md_var(tc, "descr",
  41             "PR lib/21691: %%i and %%x fail with negative hex numbers");
  42 }
  43
  44 ATF_TC_BODY(sscanf_neghex, tc)
  45 {
  46         int i;
  47
  48         sscanf(STRNUM, "%i", &i);
  49         ATF_REQUIRE(i == NUM);
  50
  51         sscanf(STRNUM, "%x", &i);
  52         ATF_REQUIRE(i == NUM);
  53 }
  54
  55 ATF_TC(sscanf_whitespace);
  56 ATF_TC_HEAD(sscanf_whitespace, tc)
  57 {
  58
  59         atf_tc_set_md_var(tc, "descr", "verify sscanf skips all whitespace");
  60 }
  61
  62 ATF_TC_BODY(sscanf_whitespace, tc)
  63 {
  64         const char str[] = "\f\n\r\t\v%z";
  65         char c;
  66
  67         /* set of "white space" symbols from isspace(3) */
  68         c = 0;
  69         (void)sscanf(str, "%%%c", &c);
  70         ATF_REQUIRE(c == 'z');
  71 }
  72
  73
  74 ATF_TP_ADD_TCS(tp)
  75 {
  76
  77         ATF_TP_ADD_TC(tp, sscanf_neghex);
  78         ATF_TP_ADD_TC(tp, sscanf_whitespace);
  79
  80         return atf_no_error();
  81 }