assertFalse(synonymItem.isUpdated());
        assertFalse(synonymItem.isDeleted());

        synonymItem.setNewInputs(new String[] { "1", "2" });
        synonymItem.setNewOutputs(new String[] { "3", "4" });
        assertTrue(synonymItem.isUpdated());
        assertFalse(synonymItem.isDeleted());

        synonymItem.setNewInputs(new String[0]);
        synonymItem.setNewOutputs(new String[0]);

        assertFalse(item.isDeleted());

        // Set newInputs to empty array and newOutput
        item.setNewInputs(new String[] {});
        item.setNewOutput("output");
        assertTrue(item.isDeleted());

        // Set newInputs to non-empty array - not deleted
        item.setNewInputs(new String[] { "something" });
        assertFalse(item.isDeleted());
    }

    @Test

                    throw new DictionaryException("Mapping file was updated: old=" + oldItem + " : new=" + item);
                }
                try {
                    if (!item.isDeleted()) {
                        // update
                        writer.write(item.toLineString());
                        writer.write(Constants.LINE_SEPARATOR);

                    throw new DictionaryException("Kuromoji file was updated: old=" + oldItem + " : new=" + item);
                }
                try {
                    if (!item.isDeleted()) {
                        // update
                        writer.write(item.toLineString());
                        writer.write(Constants.LINE_SEPARATOR);

                    throw new DictionaryException("Protwords file was updated: old=" + oldItem + " : new=" + item);
                }
                try {
                    if (!item.isDeleted()) {
                        // update
                        writer.write(item.toLineString());
                        writer.write(Constants.LINE_SEPARATOR);

                    throw new DictionaryException("Stopwords file was updated: old=" + oldItem + " : new=" + item);
                }
                try {
                    if (!item.isDeleted()) {
                        // update
                        writer.write(item.toLineString());
                        writer.write(Constants.LINE_SEPARATOR);

                    throw new DictionaryException("StemmerOverride file was updated: old=" + oldItem + " : new=" + item);
                }
                try {
                    if (!item.isDeleted()) {
                        // update
                        writer.write(item.toLineString());
                        writer.write(Constants.LINE_SEPARATOR);

                    throw new DictionaryException("Synonym file was updated: old=" + oldItem + " : new=" + item);
                }
                try {
                    if (!item.isDeleted()) {
                        // update
                        writer.write(item.toLineString());
                        writer.write(Constants.LINE_SEPARATOR);

          $items.each(function (i) {
            var $item = $(this);
            var isSelected = i === listSelNum - 1;
            applyListItemStyle($item, isSelected);
            $item.attr("aria-selected", isSelected ? "true" : "false");
            if (isSelected) {
              $textArea.val($item.text());
            }
          });

          if (listSelNum === 0) {

                    // skip
                    continue;
                }
                try {
                    boolean isDelete = false;
                    if (targetWord.startsWith(DELETE_PREFIX)) {
                        isDelete = true;
                        targetWord = targetWord.substring(2);
                    }
                    final String target = targetWord;