#!/bin/bash

VERBOSE=""    # set VERBOSE="v" for verbose mode
# that @expression@ will be substituted by the 'confgure' script
EXTENSIONS="@SUPPORTED_FORMATS@"
# Here are the extensions that should support saving according to docs
#CAN_SAVE=" BMP DDS HDR ICO JPG PCX PNG PPM PSD RAW SGI TGA TIF XPM " RAW and XPM are problematic...
CAN_SAVE="BMP DDS EXR HDR ICO JP2 JPG PCX PNG PPM PSD SGI TGA TIF"
# List of formats that we don't test since they are problematic
PROBLEMATIC="RAW WBMP XPM"

echo "Running saving and loading consistency test..."
FAILED_FORMATS=""
PASSED_FORMATS=""

# if using Wine makes sense, use it...
if [ "x@BUILD_OS@" != "x@HOST_OS@" ] 
	then
	if [ "x@PLATFORM@" = "xMINGW32" -o "x@PLATFORM@" = "xCYGWIN" ] 
	then
		test $(which wine 2> /dev/null) && WINE="wine"
		echo "Warning: Using wine to test executables (not 100% reliable)"
	fi
fi

for EXTENSION in $EXTENSIONS
do
	#echo expr match "' $CAN_SAVE '" '.*\s'$EXTENSION'\s.*'
	if [ $(expr match "' $CAN_SAVE '" '.*\s'$EXTENSION'\s.*') -eq 0 -o $(expr match "' $PROBLEMATIC '" '.*\s'$EXTENSION'\s.*') -ne 0 ] 
	then # This extension is not considered as supported...
		continue;
	fi
	test -n	"$VERBOSE" && echo $WINE ./testil@EXEEXT@ -e $EXTENSION
	# EXEEXT comes in when one compiles on platforms that append extensions to executables (testil.exe)
	$WINE ./testil@EXEEXT@ -e$VERBOSE $EXTENSION
	
	# We have to capture whether the test has failed or not
	if [ ! $? -eq 0 ]
	then # we have an error here...
		FAILED_FORMATS="$FAILED_FORMATS $EXTENSION"
		FAILED="$?"
	else #no error...
		PASSED_FORMATS="$PASSED_FORMATS $EXTENSION"
	fi
done

#let's tell something to the user as well:
if [ "x$FAILED" = "x" ] 
then #everything went fine
	echo "All examined formats were OK:$PASSED_FORMATS"
else #something went wrong
	echo "Errors were encountered during the test :-("
	echo "Formats that were OK:$PASSED_FORMATS"
	echo "Failed formats: $FAILED_FORMATS"
	FAILED="1"
fi # end of something went wrong
echo "Problematic (untested) formats: $PROBLEMATIC"

echo

# And we have to tell the result to the shell, too...
exit $FAILED