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#!/bin/sh
: "${srcdir=.}"
. "$srcdir/init.sh"; path_prepend_ .
# For now, only test with C locale
LC_ALL=C
export LC_ALL
# Find out how to remove carriage returns from output. Solaris /usr/ucb/tr
# does not understand '\r'.
if echo solaris | tr -d '\r' | grep solais > /dev/null; then
cr='\015'
else
cr='\r'
fi
# Test with seekable stdin; the follow-on process must see remaining data.
tr @ '\177' <<EOF > in.tmp
nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn - entire line consumed
y@n - backspace does not change result
y
does not match either yesexpr or noexpr
n
EOF
cat <<EOF > xout.tmp
N
Y
Y
N
n
EOF
fail=0
(${CHECKER} test-yesno; ${CHECKER} test-yesno 3; cat) < in.tmp > out1.tmp || fail=1
LC_ALL=C tr -d "$cr" < out1.tmp > out.tmp || fail=1
cmp xout.tmp out.tmp || fail=1
(${CHECKER} test-yesno 3; ${CHECKER} test-yesno; cat) < in.tmp > out1.tmp || fail=1
LC_ALL=C tr -d "$cr" < out1.tmp > out.tmp || fail=1
cmp xout.tmp out.tmp || fail=1
# Test for behavior on pipe
cat <<EOF > xout.tmp
Y
N
EOF
echo yes | ${CHECKER} test-yesno 2 > out1.tmp || fail=1
LC_ALL=C tr -d "$cr" < out1.tmp > out.tmp || fail=1
cmp xout.tmp out.tmp || fail=1
# Test for behavior with no EOL at EOF
cat <<EOF > xout.tmp
Y
EOF
printf y | ${CHECKER} test-yesno 1 > out1.tmp || fail=1
LC_ALL=C tr -d "$cr" < out1.tmp > out.tmp || fail=1
cmp xout.tmp out.tmp || fail=1
# Test for behavior on EOF
cat <<EOF > xout.tmp
N
EOF
${CHECKER} test-yesno </dev/null > out1.tmp || fail=1
LC_ALL=C tr -d "$cr" < out1.tmp > out.tmp || fail=1
cmp xout.tmp out.tmp || fail=1
# Test for behavior when stdin is closed
${CHECKER} test-yesno 0 <&- > out1.tmp 2> err.tmp && fail=1
LC_ALL=C tr -d "$cr" < out1.tmp > out.tmp || fail=1
cmp xout.tmp out.tmp || fail=1
test -s err.tmp || fail=1
Exit $fail
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