List<String> results = converter.convert(text, field, langs);

        assertNotNull(results);
        // Results may vary based on analyzer configuration
    }

    @Test
    public void testConvertWithEmptyLanguageArray() throws IOException {
        // Test convert with empty language array
        String text = "test text";
        String field = "content";
        String[] langs = new String[0];

        assertNotNull(readings1);
        assertNotNull(readings2);
        assertEquals("TEST", readings1.get(0));
        assertEquals("TEST", readings2.get(0));
    }

    @Test
    public void testConvertWithEmptyLanguageArray() throws IOException {
        // Test convert with empty language array
        converter.init();
        String text = "test";
        String field = "content";
        String[] langs = new String[0];