assertEquals("1234567...", documentHelper.getDigest(responseData, "123456789012345678901", dataMap, 10));
        assertEquals("1234567...", documentHelper.getDigest(responseData, "12345678901234567890", dataMap, 10));
        assertEquals("1234567...", documentHelper.getDigest(responseData, "1234567890123456789", dataMap, 10));

        assertTrue(fessConfig.isValidUserCode("1234567890"));
        assertTrue(fessConfig.isValidUserCode("12345678901234567890"));
        assertTrue(fessConfig.isValidUserCode("1234567890abcdeABCD_"));

        assertFalse(fessConfig.isValidUserCode("123456789"));
        assertFalse(fessConfig.isValidUserCode("123456789012345678901"));
        assertFalse(fessConfig.isValidUserCode("123456789?"));
    }

        assertEquals(76L, MemoryUtil.sizeOf("12345678901234567890"));
        assertEquals(66L, MemoryUtil.sizeOf(new String[] { "1234567890" }));
        assertEquals(132L, MemoryUtil.sizeOf(new String[] { "1234567890", "1234567890" }));
        assertEquals(132L, MemoryUtil.sizeOf(Lists.asList("1234567890", new String[] { "1234567890" })));
        assertEquals(132L, MemoryUtil.sizeOf(Maps.map("1234567890", "1234567890").$()));
    }

        assertEquals("１２３ あいう", normalizeText("　１２３　あいう　", 100, -1, -1, false));
        assertEquals("123 abc", normalizeText(" 123\nabc ", 100, -1, -1, false));
        assertEquals("1234567890 1234567890", normalizeText("1234567890 1234567890", 100, -1, -1, false));
    }

    public void test_getContent_maxAlphanum() {
        assertEquals("", normalizeText((String) null, 100, 2, -1, false));

        String a = "20190126.230843"; // resembles a SNAPSHOT
        String b = "1234567890.12345"; // 10 digit number
        String c = "123456789012345.1H.5-beta"; // 15 digit number
        String d = "12345678901234567890.1H.5-beta"; // 20 digit number

        checkVersionsOrder(a, b);
        checkVersionsOrder(b, c);
        checkVersionsOrder(a, c);
        checkVersionsOrder(c, d);
        checkVersionsOrder(b, d);

	}

	if err := scanner.Err(); err != nil {
		fmt.Printf("Invalid input: %s", err)
	}
	// Output:
	// 1234
	// 5678
	// Invalid input: strconv.ParseInt: parsing "1234567901234567890": value out of range
}

// Use a Scanner with a custom split function to parse a comma-separated
// list with an empty final value.
func ExampleScanner_emptyFinalToken() {

	}
	hdr, err := FileInfoHeader(fileinfo, "")
	if err != nil {
		t.Fatalf("os.Stat:1 %v", err)
	}
	hdr.Typeflag = TypeSymlink
	// Force a PAX long linkname to be written
	longLinkname := strings.Repeat("1234567890/1234567890", 10)
	hdr.Linkname = longLinkname

	hdr.Size = 0
	var buf bytes.Buffer
	writer := NewWriter(&buf)
	if err := writer.WriteHeader(hdr); err != nil {
		t.Fatal(err)
	}