tests/test-select-in.sh

   1 #!/bin/sh
   2 # Test select() on file descriptors opened for reading.
   3
   4 # This test is known to fail on Solaris 2.6 and older, due to its handling
   5 # of /dev/null.
   6
   7 tmpfiles=""
   8 trap 'rm -fr $tmpfiles' HUP INT QUIT TERM
   9
  10 tmpfiles="$tmpfiles t-select-in.tmp"
  11
  12 # Regular files.
  13
  14 rm -f t-select-in.tmp
  15 ${CHECKER} ./test-select-fd${EXEEXT} r 0 t-select-in.tmp < ./test-select-fd${EXEEXT}
  16 test `cat t-select-in.tmp` = "1" || exit 1
  17
  18 # Pipes.
  19
  20 rm -f t-select-in.tmp
  21 { sleep 1; echo abc; } | \
  22   { ${CHECKER} ./test-select-fd${EXEEXT} r 0 t-select-in.tmp; cat > /dev/null; }
  23 test `cat t-select-in.tmp` = "0" || exit 1
  24
  25 rm -f t-select-in.tmp
  26 echo abc | { sleep 1; ${CHECKER} ./test-select-fd${EXEEXT} r 0 t-select-in.tmp; }
  27 test `cat t-select-in.tmp` = "1" || exit 1
  28
  29 # Special files.
  30 # This part of the test is known to fail on Solaris 2.6 and older.
  31
  32 rm -f t-select-in.tmp
  33 ${CHECKER} ./test-select-fd${EXEEXT} r 0 t-select-in.tmp < /dev/null
  34 test `cat t-select-in.tmp` = "1" || exit 1
  35
  36 rm -fr $tmpfiles
  37
  38 exit 0