#!/bin/sh
# Test select() on file descriptors opened for reading.

# This test is known to fail on Solaris 2.6 and older, due to its handling
# of /dev/null.

setglobal tmpfiles = ''""
trap 'rm -fr $tmpfiles' 1 2 3 15

setglobal tmpfiles = ""$tmpfiles t-select-in.tmp""

# Regular files.

rm -f t-select-in.tmp
./test-select-fd$(EXEEXT) r 0 t-select-in.tmp < ./test-select-fd$(EXEEXT)
test $[cat t-select-in.tmp] = "1" || exit 1

# Pipes.

rm -f t-select-in.tmp
do { sleep 1; echo abc; } | \
  do { ./test-select-fd$(EXEEXT) r 0 t-select-in.tmp; cat > /dev/null; }
test $[cat t-select-in.tmp] = "0" || exit 1

rm -f t-select-in.tmp
echo abc | do { sleep 1; ./test-select-fd$(EXEEXT) r 0 t-select-in.tmp; }
test $[cat t-select-in.tmp] = "1" || exit 1

# Special files.
# This part of the test is known to fail on Solaris 2.6 and older.

rm -f t-select-in.tmp
./test-select-fd$(EXEEXT) r 0 t-select-in.tmp < /dev/null
test $[cat t-select-in.tmp] = "1" || exit 1

rm -fr $tmpfiles

exit 0