#!/bin/sh

# This script automatically test the given tool with the tool's test cases,

# reporting anything of interest.

# exits with 0 if there is nothing of interest

# exits with 1 if there is something interesting

# exits with 2 if an error occurred

# Give two .sum files to compare them

# Written by Mike Stump <mrs@cygnus.com>

tool=gxx

tmp1=/tmp/$tool-testing.$$a

tmp2=/tmp/$tool-testing.$$b

now_s=/tmp/$tool-testing.$$d

before_s=/tmp/$tool-testing.$$e

if [ "$2" = "" ]; then

	echo "Usage: $0 previous current" >&2

	exit 2

fi

sed 's/^XFAIL/FAIL/; s/^XPASS/PASS/' < "$1" | awk '/^Running target / {target = $3} { if (target != "unix") { sub(/: /, "&"target": " ); }; print $0; }' >$tmp1

sed 's/^XFAIL/FAIL/; s/^XPASS/PASS/' < "$2" | awk '/^Running target / {target = $3} { if (target != "unix") { sub(/: /, "&"target": " ); }; print $0; }' >$tmp2

before=$tmp1

now=$tmp2

exit_status=0

trap "rm -f $tmp1 $tmp2 $now_s $before_s" 0 1 2 3 5 9 13 15

sort -t ':' +1 "$now" > "$now_s"

sort -t ':' +1 "$before" > "$before_s"

grep '^FAIL:' "$now_s" | sed 's/^[^:]*:[ 	]//' >$tmp1

grep '^PASS' "$before_s" | sed 's/^[^:]*:[ 	]//' | comm -12 $tmp1 - >$tmp2

grep -s . $tmp2 >/dev/null

if [ $? = 0 ]; then

	echo "Tests that now fail, but worked before:"

	echo

	cat $tmp2

	echo

	exit_status=1

fi

grep '^PASS' "$now_s" | sed 's/^[^:]*:[ 	]//' >$tmp1

grep '^FAIL' "$before_s" | sed 's/^[^:]*:[ 	]//' | comm -12 $tmp1 - >$tmp2

grep -s . $tmp2 >/dev/null

if [ $? = 0 ]; then

	echo "Tests that now work, but didn't before:"

	echo

	cat $tmp2

	echo

fi

grep '^FAIL' "$now_s" | sed 's/^[^:]*:[ 	]//' >$tmp1

grep '^[PF]A[SI][SL]' "$before_s" | sed 's/^[^:]*:[ 	]//' | comm -23 $tmp1 - >$tmp2

grep -s . $tmp2 >/dev/null

if [ $? = 0 ]; then

	echo "New tests that FAIL:"

	echo

	cat $tmp2

	echo

	exit_status=1

fi

grep '^PASS' "$now_s" | sed 's/^[^:]*:[ 	]//' >$tmp1

grep '^[PF]A[SI][SL]' "$before_s" | sed 's/^[^:]*:[ 	]//' | comm -23 $tmp1 - >$tmp2

grep -s . $tmp2 >/dev/null

if [ $? = 0 ]; then

	echo "New tests that PASS:"

	echo

	cat $tmp2

	echo

fi

grep '^[PF]A[SI][SL]' "$now_s" | sed 's/^[^:]*:[ 	]//' >$tmp1

grep '^PASS' "$before_s" | sed 's/^[^:]*:[ 	]//' | comm -13 $tmp1 - >$tmp2

grep -s . $tmp2 >/dev/null

if [ $? = 0 ]; then

	echo "Old tests that passed, that have disappeared: (Eeek!)"

	echo

	cat $tmp2

	echo

fi

grep '^[PF]A[SI][SL]' "$now_s" | sed 's/^[^:]*:[ 	]//' >$tmp1

grep '^FAIL' "$before_s" | sed 's/^[^:]*:[ 	]//' | comm -13 $tmp1 - >$tmp2

grep -s . $tmp2 >/dev/null

if [ $? = 0 ]; then

	echo "Old tests that failed, that have disappeared: (Eeek!)"

	echo

	cat $tmp2

	echo

fi

exit $exit_status