/* $NetBSD: t_limits.c,v 1.2 2011/04/04 18:02:01 jruoho Exp $ */

/*
* Copyright (c) 2008, 2010 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

/*
* Copyright (c) 2009, Stathis Kamperis
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__COPYRIGHT("@(#) Copyright (c) 2008, 2010\
The NetBSD Foundation, inc. All rights reserved.");
__RCSID("$NetBSD: t_limits.c,v 1.2 2011/04/04 18:02:01 jruoho Exp $");

#include <limits.h>

#include <atf-c.h>

struct psxentry {
       const char      *psx_desc;
       int              psx_constant;
       int              psx_minval;
} psxtable[] = {

       /*
        * POSIX symbolic constants.
        */
#ifdef  _POSIX_AIO_LISTIO_MAX
       { "_POSIX_AIO_LISTIO_MAX",      _POSIX_AIO_LISTIO_MAX,          2    },
#endif
#ifdef  _POSIX_AIO_MAX
       { "_POSIX_AIO_MAX",             _POSIX_AIO_MAX,                 1    },
#endif
#ifdef  _POSIX_ARG_MAX
       { "_POSIX_ARG_MAX",             _POSIX_ARG_MAX,                 4096 },
#endif
#ifdef  _POSIX_CHILD_MAX
       { "_POSIX_CHILD_MAX" ,          _POSIX_CHILD_MAX,               25   },
#endif
#ifdef  _POSIX_DELAYTIMER_MAX
       { "_POSIX_DELAYTIMER_MAX",      _POSIX_DELAYTIMER_MAX,          32   },
#endif
#ifdef  _POSIX_HOST_NAME_MAX
       { "_POSIX_HOST_NAME_MAX",       _POSIX_HOST_NAME_MAX,           255  },
#endif
#ifdef  _POSIX_LINK_MAX
       { "_POSIX_LINK_MAX",            _POSIX_LINK_MAX,                8    },
#endif
#ifdef  _POSIX_LOGIN_NAME_MAX
       { "_POSIX_LOGIN_NAME_MAX",      _POSIX_LOGIN_NAME_MAX,          9    },
#endif
#ifdef  _POSIX_MAX_CANON
       { "_POSIX_MAX_CANON",           _POSIX_MAX_CANON,               255  },
#endif
#ifdef  _POSIX_MAX_INPUT
       { "_POSIX_MAX_INPUT",           _POSIX_MAX_INPUT,               255  },
#endif
#ifdef  _POSIX_MQ_OPEN_MAX
       { "_POSIX_MQ_OPEN_MAX",         _POSIX_MQ_OPEN_MAX,             8    },
#endif
#ifdef  _POSIX_MQ_PRIO_MAX
       { "_POSIX_MQ_PRIO_MAX",         _POSIX_MQ_PRIO_MAX,             32   },
#endif
#ifdef  _POSIX_NAME_MAX
       { "_POSIX_NAME_MAX",            _POSIX_NAME_MAX,                9    },
#endif
#ifdef  _POSIX_NGROUPS_MAX
       { "_POSIX_NGROUPS_MAX",         _POSIX_NGROUPS_MAX,             8    },
#endif
#ifdef  _POSIX_OPEN_MAX
       { "_POSIX_OPEN_MAX",            _POSIX_OPEN_MAX,                20   },
#endif
#ifdef  _POSIX_PATH_MAX
       { "_POSIX_PATH_MAX",            _POSIX_PATH_MAX,                256  },
#endif
#ifdef  _POSIX_PIPE_BUF
       { "_POSIX_PIPE_BUF",            _POSIX_PIPE_BUF,                512  },
#endif
#ifdef  _POSIX_RE_DUP_MAX
       { "_POSIX_RE_DUP_MAX",          _POSIX_RE_DUP_MAX,              255  },
#endif
#ifdef  _POSIX_RTSIG_MAX
       { "_POSIX_RTSIG_MAX",           _POSIX_RTSIG_MAX,               8    },
#endif
#ifdef  _POSIX_SEM_NSEMS_MAX
       { "_POSIX_SEM_NSEMS_MAX",       _POSIX_SEM_NSEMS_MAX,           256  },
#endif
#ifdef  _POSIX_SEM_VALUE_MAX
       { "_POSIX_SEM_VALUE_MAX",       _POSIX_SEM_VALUE_MAX,           32767},
#endif
#ifdef  _POSIX_SIGQUEUE_MAX
       { "_POSIX_SIGQUEUE_MAX",        _POSIX_SIGQUEUE_MAX,            32   },
#endif
#ifdef  _POSIX_SSIZE_MAX
       { "_POSIX_SSIZE_MAX",           _POSIX_SSIZE_MAX,               32767},
#endif
#ifdef  _POSIX_STREAM_MAX
       { "_POSIX_STREAM_MAX",          _POSIX_STREAM_MAX,              8    },
#endif
#ifdef  _POSIX_SS_REPL_MAX
       { "_POSIX_SS_REPL_MAX",         _POSIX_SS_REPL_MAX,             4    },
#endif
#ifdef  _POSIX_SYMLINK_MAX
       { "_POSIX_SYMLINK_MAX",         _POSIX_SYMLINK_MAX,             255  },
#endif
#ifdef  _POSIX_SYMLOOP_MAX
       { "_POSIX_SYMLOOP_MAX",         _POSIX_SYMLOOP_MAX,             8    },
#endif
#ifdef  _POSIX_THREAD_DESTRUCTOR_ITERATIONS
       { "_POSIX_THREAD_DESTRUCTOR_ITERATIONS",
         _POSIX_THREAD_DESTRUCTOR_ITERATIONS,                          4    },
#endif
#ifdef  _POSIX_THREAD_KEYS_MAX
       { "_POSIX_THREAD_KEYS_MAX",     _POSIX_THREAD_KEYS_MAX,         128  },
#endif
#ifdef  _POSIX_THREAD_THREADS_MAX
       { "_POSIX_THREAD_THREADS_MAX",  _POSIX_THREAD_THREADS_MAX,      64   },
#endif
#ifdef  _POSIX_TIMER_MAX
       { "_POSIX_TIMER_MAX",           _POSIX_TIMER_MAX,               32   },
#endif
#ifdef  _POSIX_TRACE_EVENT_NAME_MAX
       { "_POSIX_TRACE_EVENT_NAME_MAX",_POSIX_TRACE_EVENT_NAME_MAX,    30   },
#endif
#ifdef  _POSIX_TRACE_NAME_MAX
       { "_POSIX_TRACE_NAME_MAX",      _POSIX_TRACE_NAME_MAX,          8    },
#endif
#ifdef  _POSIX_TRACE_SYS_MAX
       { "_POSIX_TRACE_SYS_MAX",       _POSIX_TRACE_SYS_MAX,           8    },
#endif
#ifdef  _POSIX_TRACE_USER_EVENT_MAX
       { "_POSIX_TRACE_USER_EVENT_MAX",_POSIX_TRACE_USER_EVENT_MAX,    32   },
#endif
#ifdef  _POSIX_TTY_NAME_MAX
       { "_POSIX_TTY_NAME_MAX",        _POSIX_TTY_NAME_MAX,            9    },
#endif
#ifdef  _POSIX_TZNAME_MAX
       { "_POSIX_TZNAME_MAX",          _POSIX_TZNAME_MAX,              6    },
#endif
#ifdef  _POSIX2_BC_BASE_MAX
       { "_POSIX2_BC_BASE_MAX",        _POSIX2_BC_BASE_MAX,            99   },
#endif
#ifdef  _POSIX2_BC_DIM_MAX
       { "_POSIX2_BC_DIM_MAX",         _POSIX2_BC_DIM_MAX,             2048 },
#endif
#ifdef  _POSIX2_BC_SCALE_MAX
       { "_POSIX2_BC_SCALE_MAX",       _POSIX2_BC_SCALE_MAX,           99   },
#endif
#ifdef  _POSIX2_BC_STRING_MAX
       { "_POSIX2_BC_STRING_MAX",      _POSIX2_BC_STRING_MAX,          1000 },
#endif
#ifdef  _POSIX2_CHARCLASS_NAME_MAX
       { "_POSIX2_CHARCLASS_NAME_MAX", _POSIX2_CHARCLASS_NAME_MAX,     14   },
#endif
#ifdef  _POSIX2_COLL_WEIGHTS_MAX
       { "_POSIX2_COLL_WEIGHTS_MAX",   _POSIX2_COLL_WEIGHTS_MAX,       2    },
#endif
#ifdef  _POSIX2_EXPR_NEST_MAX
       { "_POSIX2_EXPR_NEST_MAX",      _POSIX2_EXPR_NEST_MAX,          32   },
#endif
#ifdef  _POSIX2_LINE_MAX
       { "_POSIX2_LINE_MAX",           _POSIX2_LINE_MAX,               2048 },
#endif
#ifdef  _POSIX2_RE_DUP_MAX
       { "_POSIX2_RE_DUP_MAX",         _POSIX2_RE_DUP_MAX,             255  },
#endif
#ifdef  _XOPEN_IOV_MAX
       { "_XOPEN_IOV_MAX",             _XOPEN_IOV_MAX,                 16   },
#endif
#ifdef  _XOPEN_NAME_MAX
       { "_XOPEN_NAME_MAX",            _XOPEN_NAME_MAX,                255  },
#endif
#ifdef  _XOPEN_PATH_MAX
       { "_XOPEN_PATH_MAX",            _XOPEN_PATH_MAX,                1024 },
#endif

       /*
        * Other invariant values.
        */
#ifdef  NL_ARGMAX
       { "NL_ARGMAX",                  NL_ARGMAX,                      9    },
#endif
#ifdef  NL_LANGMAX
       { "NL_LANGMAX",                 NL_LANGMAX,                     14   },
#endif
#ifdef  NL_MSGMAX
       { "NL_MSGMAX",                  NL_MSGMAX,                      32767},
#endif
#ifdef  NL_SETMAX
       { "NL_SETMAX",                  NL_SETMAX,                      255  },
#endif
#ifdef  NL_TEXTMAX
#ifdef  _POSIX2_LINE_MAX
       { "NL_TEXTMAX",                 NL_TEXTMAX,          _POSIX2_LINE_MAX},
#endif
#endif
#ifdef  NZERO
       { "NZERO",                      NZERO,                          20   },
#endif
};

ATF_TC_WITHOUT_HEAD(char);
ATF_TC_BODY(char, tc)
{
       ATF_CHECK(CHAR_MIN < UCHAR_MAX);
}

ATF_TC(posix);
ATF_TC_HEAD(posix, tc)
{
       atf_tc_set_md_var(tc, "descr", "Test POSIX limits");
}

ATF_TC_BODY(posix, tc)
{
       size_t i;

       for (i = 0; i < __arraycount(psxtable); i++) {

               if (psxtable[i].psx_constant < psxtable[i].psx_minval) {

                       atf_tc_fail("%s is less than the minimum",
                           psxtable[i].psx_desc);
               }
       }
}

ATF_TC_WITHOUT_HEAD(short);
ATF_TC_BODY(short, tc)
{
       ATF_CHECK(SHRT_MIN < USHRT_MAX);
}

ATF_TP_ADD_TCS(tp)
{

       ATF_TP_ADD_TC(tp, char);
       ATF_TP_ADD_TC(tp, posix);
       ATF_TP_ADD_TC(tp, short);

       return atf_no_error();
}

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