tests/test-yesno.sh

   1 #!/bin/sh
   2 : "${srcdir=.}"
   3 . "$srcdir/init.sh"; path_prepend_ .
   4
   5 # For now, only test with C locale
   6 LC_ALL=C
   7 export LC_ALL
   8
   9 # Find out how to remove carriage returns from output. Solaris /usr/ucb/tr
  10 # does not understand '\r'.
  11 if echo solaris | tr -d '\r' | grep solais > /dev/null; then
  12   cr='\015'
  13 else
  14   cr='\r'
  15 fi
  16
  17 # Test with seekable stdin; the follow-on process must see remaining data.
  18 tr @ '\177' <<EOF > in.tmp
  19 nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn - entire line consumed
  20 y@n - backspace does not change result
  21 y
  22 does not match either yesexpr or noexpr
  23 n
  24 EOF
  25
  26 cat <<EOF > xout.tmp
  27 N
  28 Y
  29 Y
  30 N
  31 n
  32 EOF
  33
  34 fail=0
  35 (${CHECKER} test-yesno; ${CHECKER} test-yesno 3; cat) < in.tmp > out1.tmp || fail=1
  36 LC_ALL=C tr -d "$cr" < out1.tmp > out.tmp || fail=1
  37 cmp xout.tmp out.tmp || fail=1
  38
  39 (${CHECKER} test-yesno 3; ${CHECKER} test-yesno; cat) < in.tmp > out1.tmp || fail=1
  40 LC_ALL=C tr -d "$cr" < out1.tmp > out.tmp || fail=1
  41 cmp xout.tmp out.tmp || fail=1
  42
  43 # Test for behavior on pipe
  44 cat <<EOF > xout.tmp
  45 Y
  46 N
  47 EOF
  48 echo yes | ${CHECKER} test-yesno 2 > out1.tmp || fail=1
  49 LC_ALL=C tr -d "$cr" < out1.tmp > out.tmp || fail=1
  50 cmp xout.tmp out.tmp || fail=1
  51
  52 # Test for behavior with no EOL at EOF
  53 cat <<EOF > xout.tmp
  54 Y
  55 EOF
  56 printf y | ${CHECKER} test-yesno 1 > out1.tmp || fail=1
  57 LC_ALL=C tr -d "$cr" < out1.tmp > out.tmp || fail=1
  58 cmp xout.tmp out.tmp || fail=1
  59
  60 # Test for behavior on EOF
  61 cat <<EOF > xout.tmp
  62 N
  63 EOF
  64 ${CHECKER} test-yesno </dev/null > out1.tmp || fail=1
  65 LC_ALL=C tr -d "$cr" < out1.tmp > out.tmp || fail=1
  66 cmp xout.tmp out.tmp || fail=1
  67
  68 # Test for behavior when stdin is closed
  69 ${CHECKER} test-yesno 0 <&- > out1.tmp 2> err.tmp && fail=1
  70 LC_ALL=C tr -d "$cr" < out1.tmp > out.tmp || fail=1
  71 cmp xout.tmp out.tmp || fail=1
  72 test -s err.tmp || fail=1
  73
  74 Exit $fail