kc3-lang/gnulib/tests/test-isatty.c

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• Hash : 10302c2e
  Author :
  Date : 2013-01-22T09:43:22
  

  tests: don't assume fd 99 is closed
  
  * tests/test-accept.c, tests/test-accept4.c, tests/test-bind.c:
  * tests/test-close.c, tests/test-connect.c, tests/test-dprintf.c:
  * tests/test-dup.c, tests/test-dup2.c, tests/test-faccessat.c:
  * tests/test-fchdir.c, tests/test-fchmod.c, tests/test-fchmodat.c:
  * tests/test-fchown.c, tests/test-fchownat.c, tests/test-fclose.c:
  * tests/test-fdatasync.c, tests/test-fdopen.c, tests/test-fdopendir.c:
  * tests/test-fflush.c, tests/test-fgetc.c, tests/test-fputc.c:
  * tests/test-fread.c, tests/test-freopen.c, tests/test-fseeko4.c:
  * tests/test-fstat.c, tests/test-fstatat.c, tests/test-fsync.c:
  * tests/test-ftello4.c, tests/test-ftruncate.c, tests/test-futimens.h:
  * tests/test-fwrite.c, tests/test-getpeername.c:
  * tests/test-getsockname.c, tests/test-getsockopt.c:
  * tests/test-grantpt.c, tests/test-ioctl.c, tests/test-isatty.c:
  * tests/test-linkat.c, tests/test-listen.c, tests/test-lseek.c:
  * tests/test-mkdirat.c, tests/test-mkfifoat.c, tests/test-openat.c:
  * tests/test-pread.c, tests/test-pwrite.c, tests/test-read.c:
  * tests/test-readlinkat.c, tests/test-recv.c, tests/test-recvfrom.c:
  * tests/test-renameat.c, tests/test-select.h, tests/test-send.c:
  * tests/test-sendto.c, tests/test-setsockopt.c, tests/test-shutdown.c:
  * tests/test-symlinkat.c, tests/test-ttyname_r.c:
  * tests/test-unlinkat.c, tests/test-unlockpt.c:
  * tests/test-utimensat.c, tests/test-vdprintf.c, tests/test-write.c:
  Close file descriptor 99, instead of assuming it's already closed.
  

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• tests/test-isatty.c

• /* Test isatty() function.
     Copyright (C) 2011-2013 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  
  #include <config.h>
  
  #include <unistd.h>
  
  #include "signature.h"
  SIGNATURE_CHECK (isatty, int, (int));
  
  #include <errno.h>
  #include <fcntl.h>
  
  #include "macros.h"
  
  /* The name of the "always silent" device.  */
  #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
  /* Native Windows API.  */
  # define DEV_NULL "NUL"
  #else
  /* Unix API.  */
  # define DEV_NULL "/dev/null"
  #endif
  
  int
  main (void)
  {
    const char *file = "test-isatty.txt";
  
    /* Test behaviour for invalid file descriptors.  */
    {
      errno = 0;
      ASSERT (isatty (-1) == 0);
      ASSERT (errno == EBADF
              || errno == 0 /* seen on IRIX 6.5, Solaris 10 */
             );
    }
    {
      close (99);
      errno = 0;
      ASSERT (isatty (99) == 0);
      ASSERT (errno == EBADF
              || errno == 0 /* seen on IRIX 6.5, Solaris 10 */
             );
    }
  
    /* Test behaviour for regular files.  */
    {
      int fd;
  
      fd = open (file, O_WRONLY|O_CREAT|O_TRUNC, 0644);
      ASSERT (0 <= fd);
      ASSERT (write (fd, "hello", 5) == 5);
      ASSERT (close (fd) == 0);
  
      fd = open (file, O_RDONLY);
      ASSERT (0 <= fd);
      ASSERT (! isatty (fd));
      ASSERT (close (fd) == 0);
    }
  
    /* Test behaviour for pipes.  */
    {
      int fd[2];
  
      ASSERT (pipe (fd) == 0);
      ASSERT (! isatty (fd[0]));
      ASSERT (! isatty (fd[1]));
      ASSERT (close (fd[0]) == 0);
      ASSERT (close (fd[1]) == 0);
    }
  
    /* Test behaviour for /dev/null.  */
    {
      int fd;
  
      fd = open (DEV_NULL, O_RDONLY);
      ASSERT (0 <= fd);
      ASSERT (! isatty (fd));
      ASSERT (close (fd) == 0);
    }
  
    ASSERT (unlink (file) == 0);
  
    return 0;
  }
  

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