#!/bin/sh -
#	$Id: testone,v 1.5 2002/08/16 19:35:56 dda Exp $
#
# Run just one Java regression test, the single argument
# is the classname within this package.

error()
{
	echo '' >&2
	echo "Java regression error: $@" >&2
	echo '' >&2
	ecode=1
}

# compares the result against the good version,
# reports differences, and removes the result file
# if there are no differences.
#
compare_result()
{
	good="$1"
	latest="$2"
	if [ ! -e "$good" ]; then
		echo "Note: $good does not exist"
		return
	fi
	tmpout=/tmp/blddb$$.tmp
	diff "$good" "$latest" > $tmpout
	if [ -s $tmpout ]; then
		nbad=`grep '^[0-9]' $tmpout | wc -l`
		error "$good and $latest differ in $nbad places."
	else
		rm $latest
	fi
	rm -f $tmpout
}

ecode=0
stdinflag=n
JAVA=${JAVA:-java}
JAVAC=${JAVAC:-javac}

# classdir is relative to TESTDIR subdirectory
classdir=./classes

# CLASSPATH is used by javac and java.
# We use CLASSPATH rather than the -classpath command line option
# because the latter behaves differently from JDK1.1 and JDK1.2
export CLASSPATH="$classdir:$CLASSPATH"

# determine the prefix of the install tree
prefix=""
while :
do
	case "$1" in
	--prefix=* )
		prefix="`echo $1 | sed -e 's/--prefix=//'`"; shift
	        export LD_LIBRARY_PATH="$prefix/lib:$LD_LIBRARY_PATH"
                export CLASSPATH="$prefix/lib/db.jar:$CLASSPATH"
		;;
	--stdin )
		stdinflag=y; shift
		;;
        * )
		break
                ;;
	esac
done

if [ "$#" = 0 ]; then
	echo 'Usage: testone [ --prefix=<dir> | --stdin ] TestName'
        exit 1
fi
name="$1"

# class must be public
if ! grep "public.*class.*$name" $name.java > /dev/null; then
	error "public class $name is not declared in file $name.java"
	exit 1
fi

# compile
rm -rf TESTDIR; mkdir TESTDIR
cd ./TESTDIR
mkdir -p $classdir
${JAVAC} -d $classdir ../$name.java ../TestUtil.java > ../$name.compileout 2>&1
if [ $? != 0 -o -s ../$name.compileout ]; then
	error "compilation of $name failed, see $name.compileout"
	exit 1
fi
rm -f ../$name.compileout

# find input and error file
infile=../$name.testin
if [ ! -f $infile ]; then
	infile=/dev/null
fi

# run and diff results
rm -rf TESTDIR
if [ "$stdinflag" = y ]
then
	${JAVA} com.sleepycat.test.$name $TEST_ARGS          >../$name.out 2>../$name.err
else
	${JAVA} com.sleepycat.test.$name $TEST_ARGS <$infile >../$name.out 2>../$name.err
fi
cd ..

testerr=$name.testerr
if [ ! -f $testerr ]; then
	testerr=/dev/null
fi

testout=$name.testout
if [ ! -f $testout ]; then
	testout=/dev/null
fi

compare_result $testout $name.out
compare_result $testerr $name.err
rm -rf TESTDIR
exit $ecode