pintos-os.org Git - pspp/blob - tests/test-select-out.sh

   1 #!/bin/sh
   2 # Test select() on file descriptors opened for writing.
   3
   4 tmpfiles=""
   5 trap 'rm -fr $tmpfiles' 1 2 3 15
   6
   7 tmpfiles="$tmpfiles t-select-out.out t-select-out.tmp"
   8
   9 # Regular files.
  10
  11 ./test-select-fd${EXEEXT} w 1 > t-select-out.out 2> t-select-out.tmp
  12 test `cat t-select-out.tmp` = "1" || exit 1
  13
  14 # Pipes.
  15
  16 ( { echo abc; ./test-select-fd${EXEEXT} w 1; } | { sleep 1; cat; } ) > /dev/null 2> t-select-out.tmp
  17 test `cat t-select-out.tmp` = "0" || exit 1
  18
  19 ( { sleep 1; echo abc; ./test-select-fd${EXEEXT} w 1; } | cat) > /dev/null 2> t-select-out.tmp
  20 test `cat t-select-out.tmp` = "1" || exit 1
  21
  22 # Special files.
  23
  24 ./test-select-fd${EXEEXT} w 1 > /dev/null 2> t-select-out.tmp
  25 test `cat t-select-out.tmp` = "1" || exit 1
  26
  27 rm -fr $tmpfiles
  28
  29 exit 0