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#!/bin/sh -efu
# Check --tips option.
. "${srcdir=.}/init.sh"
: "${TIPS_FULL:=0}"
RAND_TIPS=5
MAX_TIPS=500
tips_fmt_opt=""
[ 1 -ne "$TIPS_FULL" ] || tips_fmt_opt="--tips=full"
# Check that random tip is random
"$STRACE" -qqq -enone --tips $tips_fmt_opt ../sleep 0 2> "${OUT}.r0"
i=0
ret=0
while [ "$i" -lt "$RAND_TIPS" ]; do
i=$((i + 1))
"$STRACE" -qqq -enone --tips $tips_fmt_opt ../sleep 0 2> "${OUT}.r${i}"
diff -q "${OUT}.r$((i - 1))" "${OUT}.r${i}" || { ret=1; break; }
done
[ 0 != "$ret" ] || fail_ "Tips do not seem to be randomised"
# Check that each tip looks sane
i=0
while [ "$i" -lt "$MAX_TIPS" ]; do
"$STRACE" -qqq -enone $tips_fmt_opt --tips="id:$i" ../sleep 0 2> "${OUT}.${i}"
j=0
end_seen=0
cat $srcdir/strace--tips.exp | while read line; do
j="$((j + 1))"
case "$j" in
1) pat=' ______________________________________________ '"$(sed_re_escape "$line")";;
2) pat=' / \\ '"$(sed_re_escape "$line")";;
3) pat=' | .{44} | '"$(sed_re_escape "$line")";;
4) pat=' | .{44} \ '"$(sed_re_escape "$line")";;
5) pat=' | .{44} \ '"$(sed_re_escape "$line")";;
6) pat=' | .{44} _\ '"$(sed_re_escape "$line")";;
7) pat=' | .{44} / '"$(sed_re_escape "$line")";;
*) pat=' | .{44} | '"$(sed_re_escape "$line")";;
esac
end=' \______________________________________________/ '"$(sed_re_escape "$line")"
btm=' '"$(sed_re_escape "$line")"
s=$(tail -n"+$j" "${OUT}.${i}" | head -n1)
if [ 0 -ne "$end_seen" ]; then
printf '%s' "$s" | grep -Eq "$btm" || \
fail_ "Can't match line $j of ${OUT}.${i}" \
"('$s') against '$btm'"
fi
printf '%s' "$s" | grep -Eqv "$pat" || continue
if [ 8 -lt "$j" ]; then
printf '%s' "$s" | grep -Eq "$end" || \
fail_ "Can't match line $j of ${OUT}.${i}" \
"('$s') against neither '$pat' nor '$end'"
if [ 0 -ne "$TIPS_FULL" ]; then
end_seen=1
else
break
fi
else
fail_ "Can't match line $j of ${OUT}.${i} ('$s')" \
"against '$pat'"
fi
done
# Finish when come accross the same tip
if [ 0 != "$i" ]; then
if diff -q "${OUT}.0" "${OUT}.$i"; then
break
fi
fi
i="$((i + 1))"
done
[ "$i" -lt "$MAX_TIPS" ] || \
fail_ "Cannot find end of tips after $i iterations"
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