#! /bin/sh
#	A very simple function test for gdiffmk.sh.

srcdir=@srcdir@

command=../gdiffmk

#	Test the number of arguments and the first argument.
case $#-$1 in
1-clean )
	rm -fv test_result* tmp_file*
	exit 0
	;;
1-run )
	;;
* )
	echo >&2 "$0 [ clean | run ]
Run a few simple tests on \`${command}'."'

clean	Remove the test_result? and tmp_file? files.
run	Run the tests.
'
	exit 255
	;;
esac

function TestResult {
	if cmp -s $1 $2
	then
		echo $2 PASSED
	else
		echo ''
		echo $2 TEST FAILED
		diff $1 $2
		echo ''
	fi
}

tmpfile=/tmp/$$
trap 'rm -f ${tmpfile}' 0 1 2 3 15

#	Run tests.

#	3 file arguments
ResultFile=test_result1
${command}  ${srcdir}/file1  ${srcdir}/file2 ${ResultFile} 2>${tmpfile}
cat ${tmpfile} >>${ResultFile}
TestResult ${srcdir}/test_baseline ${ResultFile}

#	OUTPUT to stdout by default
ResultFile=test_result2
${command}  ${srcdir}/file1  ${srcdir}/file2  >${ResultFile} 2>&1
TestResult ${srcdir}/test_baseline ${ResultFile}

#	OUTPUT to stdout via  -  argument
ResultFile=test_result3
${command}  ${srcdir}/file1  ${srcdir}/file2 - >${ResultFile} 2>&1
TestResult ${srcdir}/test_baseline ${ResultFile}

#	FILE1 from standard input via  -  argument
ResultFile=test_result4
${command}  - ${srcdir}/file2 <${srcdir}/file1  >${ResultFile} 2>&1
TestResult ${srcdir}/test_baseline ${ResultFile}

#	FILE2 from standard input via  -  argument
ResultFile=test_result5
${command}  ${srcdir}/file1 - <${srcdir}/file2  >${ResultFile} 2>&1
TestResult ${srcdir}/test_baseline ${ResultFile}

#	Different values for addmark, changemark, deletemark
ResultFile=test_result6
${command}  -aA -cC -dD  ${srcdir}/file1 ${srcdir}/file2  >${ResultFile} 2>&1
TestResult ${srcdir}/test_baseline6 ${ResultFile}

#	Test for accidental file overwrite.
ResultFile=test_result7
cp ${srcdir}/file2 tmp_file7
${command}  -aA -dD -cC  ${srcdir}/file1 tmp_file7  tmp_file7	\
							>${ResultFile} 2>&1
TestResult ${srcdir}/test_baseline7 ${ResultFile}

#	Test -D option
ResultFile=test_result8
${command}  -D  ${srcdir}/file1 ${srcdir}/file2 >${ResultFile} 2>&1
TestResult ${srcdir}/test_baseline8 ${ResultFile}

#	Test -D  and  -M  options
ResultFile=test_result9
${command}  -D  -M '<<<<' '>>>>'				\
			${srcdir}/file1 ${srcdir}/file2 >${ResultFile} 2>&1
TestResult ${srcdir}/test_baseline9 ${ResultFile}

#	Test -D  and  -B  options
ResultFile=test_result10
${command}  -D  -B  ${srcdir}/file1 ${srcdir}/file2 >${ResultFile} 2>&1
TestResult ${srcdir}/test_baseline10 ${ResultFile}

#	EOF
