#!/bin/sh

h5toh4=h5toh4		# a relative name
cmp='cmp -s'
diff='diff -c'

RM='rm -f'
SED='sed '
H4DUMP='hdp'

nerrors=0
verbose=yes

# Print a line-line message left justified in a field of 70 characters
# beginning with the word "Testing".
TESTING()
{
    SPACES="                                                               "
    echo "Testing $* $SPACES" |cut -c1-70 |tr -d '\n'
}

# Run a test and print PASS or *FAIL*.  If a test fails then increment
# the `nerrors' global variable and (if $verbose is set) display the
# difference between the actual output and the expected output. The
# expected output is given by adding a `.dmp' extension to the root of
# the first argument to this function and the actual output file is
# calculated by replacing the `.dmp' with `.tmp'.  The actual output
# is not removed if $HDF5_NOCLEANUP has a value.
CONVERT()
{
    # Run h5toh4 convert.
    TESTING $h5toh4 $@
    (
	cd testfiles
        ../$h5toh4 "$@" 2>/dev/null
    ) 

    case "$1" in

    "-m")

	multirun=passed
	shift
	for i in $@
	do
		h4file=testfiles/`echo $i | $SED -e s/\.h5/.hdf/g`

	    	actual=`echo $h4file | $SED -e s/\.hdf/.tmp/`
	    	expect=`echo $h4file | $SED -e s/\.hdf/.dmp/`

		if test "testfiles/tloop.hdf" = "$h4file"; then
			$H4DUMP dumpvg $h4file | head -50 > $actual
		else
			$H4DUMP dumpvg $h4file > $actual
		fi

		$H4DUMP dumpvd $h4file >> $actual

		$H4DUMP dumpsds $h4file >> $actual

    		# Results. We normalize the result to account for different output 
    		# widths.  That is, the test should succeed if the only
    		# differences are in white space. We have to do this the hard way
    		# because diff isn't always smart enough.
    		tr '\n' ' ' <$actual |tr -s ' \t' |fold >$actual-norm
    		tr '\n' ' ' <$expect |tr -s ' \t' |fold >$expect-norm

    		if $cmp $expect-norm $actual-norm; then
			set unrelated
		else
			if test "passed" = "$multirun"; then
				echo "*FAILED*"
				echo "    Actual result (*.tmp) differs from expected result (*.dmp)"
				nerrors="`expr $nerrors + 1`"
				multirun=failed
			fi
			test yes = "$verbose" && $diff $expect $actual |sed 's/^/    /'
    		fi

    		# Clean up output file
    		rm -f $expect-norm $actual-norm
    		if [ X = ${HDF5_NOCLEANUP:-X} ]; then
			rm -f $actual
			rm -f $h4file
    		fi
	done
	if test "passed" = "$multirun"; then
		echo " PASSED"
	fi

	;;


    * )

   	if [ $# -eq 1 ]
	then 
		h4file=testfiles/`echo $1 | $SED -e s/\.h5/.hdf/`
	else
		h4file=testfiles/$2
	fi

	actual=`echo $h4file | $SED -e s/\.hdf/.tmp/`
	expect=`echo $h4file | $SED -e s/\.hdf/.dmp/`

	if test "testfiles/tloop.hdf" = "$h4file"; then
		$H4DUMP dumpvg $h4file | head -50 > $actual
	else
		$H4DUMP dumpvg $h4file > $actual
	fi
	$H4DUMP dumpvd $h4file >> $actual
	$H4DUMP dumpsds $h4file >> $actual


	# Results. We normalize the result to account for different output 
	# widths.  That is, the test should succeed if the only
	# differences are in white space. We have to do this the hard way
	# because diff isn't always smart enough.
	tr '\n' ' ' <$actual |tr -s ' \t' |fold >$actual-norm
	tr '\n' ' ' <$expect |tr -s ' \t' |fold >$expect-norm

	if $cmp $expect-norm $actual-norm; then
		echo " PASSED"
	else
		echo "*FAILED*"
		echo "    Actual result (*.tmp) differs from expected result (*.dmp)"
		nerrors="`expr $nerrors + 1`"
		test yes = "$verbose" && $diff $expect $actual |sed 's/^/    /'
	fi

	# Clean up output file
	rm -f $expect-norm $actual-norm
	if [ X = ${HDF5_NOCLEANUP:-X} ]; then
		rm -f $actual
		rm -f $h4file
	fi
	;;

    esac

}



##############################################################################
##############################################################################
###			  T H E   T E S T S                                ###
##############################################################################
##############################################################################

$RM ./testfiles/*.hdf ./testfiles/*.tmp

#
# The HDF4 filenames are created based upon the HDF5 filenames
# without the extension.
#

# test for converting H5 groups to H4 Vgroups.
CONVERT tgroup.h5

# test for converting H5 datasets to H4 SDS's.
CONVERT tdset.h5

# test for converting H5 attributes to H4 attributes.
CONVERT tattr.h5

# test for converting H5 soft links.
CONVERT tslink.h5

# test for converting H5 hard links.
CONVERT thlink.h5

# test for converting H5 compound data type to H4 Vdata.
CONVERT tcompound.h5

# test for converting all H5 objects at in same file.
CONVERT tall.h5

# tests for converting H5 objects with loops.
CONVERT tloop.h5

# test for converting extendable H5 datasets to H4 SDS's.
CONVERT tdset2.h5

# test for converting extendable H5 datasets with compound data type to H4 Vdata.
CONVERT tcompound2.h5

# tests for converting H5 objects from many different pathways.
CONVERT tmany.h5

# tests for converting H5 string objects.
CONVERT tstr.h5

# tests for converting more H5 string objects.
CONVERT tstr2.h5

#
# The test for conversion are the same as above with the only difference
# being that the HDF4 filenames are given explicitly.
#

$RM ./testfiles/*.tmp
CONVERT tgroup.h5 tgroup.hdf
CONVERT tdset.h5 tdset.hdf
CONVERT tattr.h5 tattr.hdf
CONVERT tslink.h5 tslink.hdf
CONVERT thlink.h5 thlink.hdf
CONVERT tcompound.h5 tcompound.hdf
CONVERT tall.h5 tall.hdf
CONVERT tloop.h5 tloop.hdf
CONVERT tdset2.h5 tdset2.hdf
CONVERT tcompound2.h5 tcompound2.hdf
CONVERT tmany.h5 tmany.hdf
CONVERT tstr.h5 tstr.hdf
CONVERT tstr2.h5 tstr2.hdf

#
# Again, the test for conversion are the same as the first set of test.
# Here, multiple conversion are done on HDF5 files at one time.
#

$RM ./testfiles/*.hdf ./testfiles/*.tmp
CONVERT -m tgroup.h5 tdset.h5 tattr.h5 tslink.h5 thlink.h5
CONVERT -m tcompound.h5 tall.h5 tloop.h5
CONVERT -m tdset2.h5 tcompound2.h5 tmany.h5
CONVERT -m tstr.h5 tstr2.h5

if test "0" = "$nerrors"; then
	echo "All h5toh4 tests passed."
fi