$executable :
$imagesDir :
run()
testBasicUsage()
testOtherLanguages()
testMultipleLanguages()
testInducingRecognition()
testListAvailableLanguages()
testTemporaryFilesAreDeleted()
testTemporaryFilesAreNotCreated()
testTemporaryFilesAreDeletedInCaseOfException()
testWithoutInputFile()
testWithoutOutputFile()
testWithoutFiles()
testBacktickOnFilenames()
getTests()
assertEquals( $expected, $actual)
skip()
isVersion302()
isVersion305()
isVersion4()