Blame tests/check_check_pack.c

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/*
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 * Check: a unit test framework for C
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 * Copyright (C) 2001, 2002 Arien Malec
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the
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 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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 * MA 02110-1301, USA.
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 */
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#include "../lib/libcompat.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "check.h"
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#include "check_pack.h"
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#include "check_error.h"
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#include "check_check.h"
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#include "check_msg.h"
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static char errm[512];
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START_TEST(test_pack_fmsg)
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{
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  FailMsg *fmsg;
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  char *buf;
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  enum ck_msg_type type;
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  fmsg = (FailMsg *)emalloc (sizeof (FailMsg));
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  fmsg->msg = (char *) "Hello, world!";
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  pack (CK_MSG_FAIL, &buf, (CheckMsg *) fmsg);
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  fmsg->msg = NULL;
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  upack (buf, (CheckMsg *) fmsg, &type);
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  ck_assert_msg (type == CK_MSG_FAIL,
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	       "Bad type unpacked for FailMsg");
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  ck_assert_msg (fmsg->msg != NULL,
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           "Unpacked string is NULL, should be Hello, World!");
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  if (strcmp (fmsg->msg, "Hello, world!") != 0) {
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    snprintf (errm, sizeof(errm),
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	      "Unpacked string is %s, should be Hello, World!",
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	      fmsg->msg);
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    fail (errm);
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  }
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  free (fmsg->msg);
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  free (fmsg);
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  free (buf);
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}
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END_TEST
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START_TEST(test_pack_loc)
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{
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  LocMsg *lmsg;
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  char *buf;
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  enum ck_msg_type type;
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  lmsg =(LocMsg *) emalloc (sizeof (LocMsg));
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  lmsg->file = (char *) "abc123.c";
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  lmsg->line = 125;
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  pack (CK_MSG_LOC, &buf, (CheckMsg *) lmsg);
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  lmsg->file = NULL;
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  lmsg->line = 0;
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  upack (buf, (CheckMsg *) lmsg, &type);
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  ck_assert_msg (type == CK_MSG_LOC,
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	       "Bad type unpacked for LocMsg");
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  if (lmsg->line != 125) {
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    snprintf (errm, sizeof (errm),
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	     "LocMsg line was %d, should be %d",
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	     lmsg->line, 125);
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    fail (errm);
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  }
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  if (strcmp (lmsg->file, "abc123.c") != 0) {
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    snprintf (errm, sizeof (errm),
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              "LocMsg file was %s, should be abc123.c",
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              lmsg->file);
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    fail (errm);
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  }
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  free (lmsg->file);
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  free (lmsg);
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  free (buf);
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}
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END_TEST
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START_TEST(test_pack_ctx)
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{
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  CtxMsg cmsg;
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  char *buf;
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  enum ck_msg_type type;
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  cmsg.ctx = CK_CTX_SETUP;
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  pack (CK_MSG_CTX, &buf, (CheckMsg *) &cmsg);
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  cmsg.ctx = CK_CTX_TEARDOWN;
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  upack (buf, (CheckMsg *) &cmsg, &type);
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  ck_assert_msg (type == CK_MSG_CTX,
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	       "Bad type unpacked for CtxMsg");
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  if (cmsg.ctx != CK_CTX_SETUP) {
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    snprintf (errm, sizeof (errm),
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	     "CtxMsg ctx got %d, expected %d",
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	     cmsg.ctx, CK_CTX_SETUP);
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    fail (errm);
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  }
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  free (buf);
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}
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END_TEST
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START_TEST(test_pack_len)
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{
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  CtxMsg cmsg;
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  char *buf;
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  int n = 0;
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  enum ck_msg_type type;
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  cmsg.ctx = CK_CTX_TEST;
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  n = pack (CK_MSG_CTX, &buf, (CheckMsg *) &cmsg);
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  ck_assert_msg (n > 0, "Return val from pack not set correctly");
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  /* Value below may change with different implementations of pack */
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  ck_assert_msg (n == 8, "Return val from pack not correct");
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  n = upack (buf, (CheckMsg *) &cmsg, &type);
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  if (n != 8) {
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    snprintf (errm, sizeof (errm), "%d bytes read from upack, should be 8", n);
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    fail (errm);
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  }
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  free (buf);
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}
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END_TEST
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START_TEST(test_pack_abuse)
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{
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  char *buf;
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  CtxMsg cmsg;
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  enum ck_msg_type type;
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  /* Should report -1 (e.g. invalid) if no buffer is passed */
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  ck_assert_int_eq(pack(CK_MSG_CTX, NULL, (CheckMsg *) &cmsg), -1);
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  /* Should report 0 (e.g. nothing packed) if no message is passed */
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  ck_assert_int_eq(pack(CK_MSG_CTX, &buf, NULL), 0);
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  /* Should report -1 (e.g. invalid) if no buffer is passed */
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  ck_assert_int_eq(upack(NULL, (CheckMsg *) &cmsg, &type), -1);
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}
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END_TEST
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START_TEST(test_pack_ctx_limit)
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{
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  CtxMsg cmsg;
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  CtxMsg *cmsgp = NULL;
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  char *buf;
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  cmsg.ctx = (enum ck_result_ctx)-1;
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  pack (CK_MSG_CTX, &buf, (CheckMsg *) &cmsg);
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  pack (CK_MSG_CTX, &buf, (CheckMsg *) cmsgp);
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}
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END_TEST
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START_TEST(test_pack_fail_limit)
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{
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  FailMsg fmsg;
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  FailMsg *fmsgp = NULL;
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  char *buf;
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  enum ck_msg_type type;
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  fmsg.msg = (char *) "";
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  pack (CK_MSG_FAIL, &buf, (CheckMsg *) &fmsg);
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  fmsg.msg = NULL;
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  upack (buf, (CheckMsg *) &fmsg, &type);
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  free (buf);
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  ck_assert_msg (fmsg.msg != NULL,
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               "Empty string not handled properly");
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  ck_assert_msg (strcmp (fmsg.msg, "") == 0,
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               "Empty string not handled properly");
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  free (fmsg.msg);
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  fmsg.msg = NULL;
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  pack (CK_MSG_FAIL, &buf, (CheckMsg *) &fmsg);
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  pack (CK_MSG_FAIL, &buf, (CheckMsg *) fmsgp);
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}
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END_TEST
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START_TEST(test_pack_loc_limit)
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{
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  LocMsg lmsg;
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  LocMsg *lmsgp = NULL;
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  char *buf;
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  enum ck_msg_type type;
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  lmsg.file = (char *) "";
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  lmsg.line = 0;
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  pack (CK_MSG_LOC, &buf, (CheckMsg *) &lmsg);
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  lmsg.file = NULL;
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  upack (buf, (CheckMsg *) &lmsg, &type);
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  ck_assert_msg (lmsg.file != NULL,
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	       "Empty string not handled properly");
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  ck_assert_msg (strcmp (lmsg.file, "") == 0,
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	       "Empty string not handled properly");
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  free (lmsg.file);
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  lmsg.file = NULL;
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  pack (CK_MSG_LOC, &buf, (CheckMsg *) &lmsg);
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  pack (CK_MSG_LOC, &buf, (CheckMsg *) lmsgp);
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}
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END_TEST
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/* the ppack probably means 'pipe' pack */
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#if defined(HAVE_FORK) && HAVE_FORK==1
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START_TEST(test_ppack)
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{
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  FILE * result_file;
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  char * result_file_name = NULL;
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  CtxMsg cmsg;
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  LocMsg lmsg;
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  FailMsg fmsg;
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  RcvMsg *rmsg;
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  cmsg.ctx = CK_CTX_TEST;
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  lmsg.file = (char *) "abc123.c";
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  lmsg.line = 10;
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  fmsg.msg = (char *) "oops";
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  result_file = open_tmp_file(&result_file_name);
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  free(result_file_name);
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  ppack (result_file, CK_MSG_CTX, (CheckMsg *) &cmsg);
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  ppack (result_file, CK_MSG_LOC, (CheckMsg *) &lmsg);
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  ppack (result_file, CK_MSG_FAIL, (CheckMsg *) &fmsg);
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  rewind(result_file);
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  rmsg = punpack (result_file);
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  ck_assert_msg (rmsg != NULL,
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	       "Return value from ppack should always be malloc'ed");
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  ck_assert_msg (rmsg->lastctx == CK_CTX_TEST,
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	       "CTX not set correctly in ppack");
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  ck_assert_msg (rmsg->fixture_line == -1,
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	       "Default fixture loc not correct");
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  ck_assert_msg (rmsg->fixture_file == NULL,
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	       "Default fixture loc not correct");
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  ck_assert_msg (rmsg->test_line == 10,
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	       "Test line not received correctly");
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  ck_assert_msg (strcmp(rmsg->test_file,"abc123.c") == 0,
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	       "Test file not received correctly");
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  ck_assert_msg (strcmp(rmsg->msg, "oops") == 0,
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	       "Failure message not received correctly");
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  free(rmsg);
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  fclose(result_file);
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}
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END_TEST
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START_TEST(test_ppack_noctx)
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{
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  FILE * result_file;
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  char * result_file_name = NULL;
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  LocMsg lmsg;
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  FailMsg fmsg;
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  RcvMsg *rmsg;
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  lmsg.file = (char *) "abc123.c";
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  lmsg.line = 10;
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  fmsg.msg = (char *) "oops";
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  result_file = open_tmp_file(&result_file_name);
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  free(result_file_name);
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  ppack (result_file, CK_MSG_LOC, (CheckMsg *) &lmsg);
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  ppack (result_file, CK_MSG_FAIL, (CheckMsg *) &fmsg);
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  rewind(result_file);
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  rmsg = punpack (result_file);
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  ck_assert_msg (rmsg == NULL,
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	       "Result should be NULL with no CTX");
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  if (rmsg != NULL)
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    free (rmsg);
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  fclose(result_file);
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}
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END_TEST
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START_TEST(test_ppack_onlyctx)
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{
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  FILE * result_file;
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  char * result_file_name = NULL;
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  CtxMsg cmsg;
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  RcvMsg *rmsg;
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  cmsg.ctx = CK_CTX_SETUP;
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  result_file = open_tmp_file(&result_file_name);
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  free(result_file_name);
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  ppack (result_file, CK_MSG_CTX, (CheckMsg *) &cmsg);
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  rewind(result_file);
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  rmsg = punpack (result_file);
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  ck_assert_msg (rmsg != NULL && rmsg->msg == NULL,
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	       "Result message should be NULL with only CTX");
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  ck_assert_msg (rmsg->fixture_line == -1,
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	       "Result loc line should be -1 with only CTX");
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  ck_assert_msg (rmsg->test_line == -1,
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	       "Result loc line should be -1 with only CTX");
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  if (rmsg != NULL)
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    free (rmsg);
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  fclose(result_file);
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}
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END_TEST
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START_TEST(test_ppack_multictx)
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{
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  FILE * result_file;
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  char * result_file_name = NULL;
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  CtxMsg cmsg;
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  LocMsg lmsg;
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  RcvMsg *rmsg;
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  cmsg.ctx = CK_CTX_SETUP;
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  lmsg.line = 5;
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  lmsg.file = (char *) "abc123.c";
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  result_file = open_tmp_file(&result_file_name);
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  free(result_file_name);
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  ppack (result_file, CK_MSG_CTX, (CheckMsg *) &cmsg);
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  ppack (result_file, CK_MSG_LOC, (CheckMsg *) &lmsg);
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  cmsg.ctx = CK_CTX_TEST;
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  ppack (result_file, CK_MSG_CTX, (CheckMsg *) &cmsg);
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  ppack (result_file, CK_MSG_LOC, (CheckMsg *) &lmsg);
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  cmsg.ctx = CK_CTX_TEARDOWN;
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  ppack (result_file, CK_MSG_CTX, (CheckMsg *) &cmsg);
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  rewind(result_file);
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  rmsg = punpack (result_file);
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  ck_assert_msg (rmsg != NULL && rmsg->test_line == 5,
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	       "Test loc not being preserved on CTX change");
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  ck_assert_msg (rmsg->fixture_line == -1,
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	       "Fixture not reset on CTX change");
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  free (rmsg);
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  fclose(result_file);
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}
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END_TEST
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START_TEST(test_ppack_nofail)
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{
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  FILE * result_file;
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  char * result_file_name = NULL;
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  CtxMsg cmsg;
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  LocMsg lmsg;
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  RcvMsg *rmsg;
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  lmsg.file = (char *) "abc123.c";
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  lmsg.line = 10;
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  cmsg.ctx = CK_CTX_SETUP;
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  result_file = open_tmp_file(&result_file_name);
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  free(result_file_name);
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  ppack (result_file, CK_MSG_CTX, (CheckMsg *) &cmsg);
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  ppack (result_file, CK_MSG_LOC, (CheckMsg *) &lmsg);
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  rewind (result_file);
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  rmsg = punpack (result_file);
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  ck_assert_msg (rmsg != NULL && rmsg->msg == NULL,
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	       "Failure result should be NULL with no failure message");
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  free (rmsg);
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  fclose(result_file);
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}
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END_TEST
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#define BIG_MSG_LEN 1037
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START_TEST(test_ppack_big)
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{
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  FILE * result_file;
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  char * result_file_name = NULL;
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  CtxMsg cmsg;
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  LocMsg lmsg;
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  FailMsg fmsg;
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  RcvMsg *rmsg;
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  cmsg.ctx = CK_CTX_TEST;
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  lmsg.file = (char *)emalloc (BIG_MSG_LEN);
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  memset (lmsg.file,'a',BIG_MSG_LEN - 1);
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  lmsg.file[BIG_MSG_LEN - 1] = '\0';
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  lmsg.line = 10;
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  fmsg.msg = (char *)emalloc (BIG_MSG_LEN);
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  memset (fmsg.msg, 'a', BIG_MSG_LEN - 1);
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  fmsg.msg[BIG_MSG_LEN - 1] = '\0';
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  result_file = open_tmp_file(&result_file_name);
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  free(result_file_name);
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  ppack (result_file, CK_MSG_CTX, (CheckMsg *) &cmsg);
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  ppack (result_file, CK_MSG_LOC, (CheckMsg *) &lmsg);
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  ppack (result_file, CK_MSG_FAIL, (CheckMsg *) &fmsg);
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  rewind (result_file);
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  rmsg = punpack (result_file);
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  ck_assert_msg (rmsg != NULL,
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	       "Return value from ppack should always be malloc'ed");
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  ck_assert_msg (rmsg->lastctx == CK_CTX_TEST,
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	       "CTX not set correctly in ppack");
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  ck_assert_msg (rmsg->test_line == 10,
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	       "Test line not received correctly");
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  ck_assert_msg (strcmp (rmsg->test_file, lmsg.file) == 0,
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	       "Test file not received correctly");
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  ck_assert_msg (strcmp (rmsg->msg, fmsg.msg) == 0,
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	       "Failure message not received correctly");
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  free (rmsg);
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  free (lmsg.file);
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  free (fmsg.msg);
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  fclose(result_file);
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}
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END_TEST
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#endif /* HAVE_FORK */
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Suite *make_pack_suite(void)
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{
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  Suite *s;
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  TCase *tc_core;
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  TCase *tc_limit;
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  s = suite_create ("Pack");
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  tc_core = tcase_create ("Core");
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  tc_limit = tcase_create ("Limit");
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  suite_add_tcase (s, tc_core);
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  tcase_add_test (tc_core, test_pack_fmsg);
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  tcase_add_test (tc_core, test_pack_loc);
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  tcase_add_test (tc_core, test_pack_ctx);
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  tcase_add_test (tc_core, test_pack_len);
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  tcase_add_test (tc_core, test_pack_abuse);
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#if defined(HAVE_FORK) && HAVE_FORK==1
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  tcase_add_test (tc_core, test_ppack);
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  tcase_add_test (tc_core, test_ppack_noctx);
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  tcase_add_test (tc_core, test_ppack_onlyctx);
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  tcase_add_test (tc_core, test_ppack_multictx);
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  tcase_add_test (tc_core, test_ppack_nofail);
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#endif /* HAVE_FORK */
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  suite_add_tcase (s, tc_limit);
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  tcase_add_test (tc_limit, test_pack_ctx_limit);
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  tcase_add_test (tc_limit, test_pack_fail_limit);
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  tcase_add_test (tc_limit, test_pack_loc_limit);
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#if defined(HAVE_FORK) && HAVE_FORK==1
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  tcase_add_test (tc_limit, test_ppack_big);
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#endif /* HAVE_FORK */
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  return s;
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}