}

    @Test
    @SuppressWarnings("unchecked")
    public void test_indexFromDocumentWithFieldAnalyzer() throws Exception {
        String field = "testField";

        Map<String, String> analyzerMapping = new HashMap<>();
        analyzerMapping.put(FieldNames.ANALYZER_SETTINGS_TYPE, AnalyzerSettings.FIELD_ANALYZER_MAPPING);

	{"1\u20002\u20013\u20024", []string{"1", "2", "3", "4"}},
	{"\u2000\u2001\u2002", []string{}},
	{"\n™\t™\n", []string{"™", "™"}},
	{faces, []string{faces}},
}

func TestFields(t *testing.T) {
	for _, tt := range fieldstests {
		b := []byte(tt.s)
		a := Fields(b)

		// Appending to the results should not change future results.
		var x []byte
		for _, v := range a {