buf := new(bytes.Buffer)
	w := NewWriter(buf)
	tests := []WriteTest{
		{Name: "emptyfolder", Mode: 0o755 | os.ModeDir},
		{Name: "file.go", Data: []byte("hello"), Mode: 0644},
		{Name: "subfolder/another.go", Data: []byte("world"), Mode: 0644},
		// Notably missing here is the "subfolder" directory. This makes sure even
		// if we don't have a subfolder directory listed.
	}
	err := w.AddFS(writeTestsToFS(tests))

				Size:     15,
				Mode:     0644,
				Uid:      1000,
				Gid:      100,
				Uname:    "vbatts",
				Gname:    "users",
				ModTime:  time.Unix(1425484303, 0),
			}, nil},
			testWrite{"Slartibartfast\n", 15, nil},

			testHeader{Header{
				Typeflag: TypeLink,
				Name:     "hard.txt",
				Linkname: "file.txt",
				Mode:     0644,
				Uid:      1000,
				Gid:      100,

	}{{
		"USTAR",
		[]file{{
			&Header{Name: "bar", Mode: 0640, Size: int64(3)},
			[]byte("foo"),
		}, {
			&Header{Name: "world", Mode: 0640, Size: int64(5)},
			[]byte("hello"),
		}},
	}, {
		"GNU",
		[]file{{
			&Header{Name: "bar", Mode: 0640, Size: int64(3), Devmajor: -1},
			[]byte("foo"),
		}, {
			&Header{Name: "world", Mode: 0640, Size: int64(5), Devmajor: -1},
			[]byte("hello"),
		}},

        assertEquals("0A0B0", Hexdump.toHexString(data3, 0, 5)); // 5 chars = 2.5 bytes (rounds up to 3)
        assertEquals("0A0B0C", Hexdump.toHexString(data3, 0, 6)); // 6 chars = 3 bytes

        // Test with offset - NOTE: srcIndex is ignored due to bug, it always starts from index 0
        byte[] data4 = { 0x00, 0x11, 0x22, 0x33, 0x44 };

		return
	}
	// write "AskDisks"
	err = en.Append(0xa8, 0x41, 0x73, 0x6b, 0x44, 0x69, 0x73, 0x6b, 0x73)
	if err != nil {
		return
	}
	err = en.WriteString(z.AskDisks)
	if err != nil {
		err = msgp.WrapError(err, "AskDisks")
		return
	}
	// write "InclDeleted"
	err = en.Append(0xab, 0x49, 0x6e, 0x63, 0x6c, 0x44, 0x65, 0x6c, 0x65, 0x74, 0x65, 0x64)
	if err != nil {
		return
	}

	o = append(o, 0xde, 0x0, 0x1d, 0xa2, 0x49, 0x44)
	o = msgp.AppendString(o, z.ID)
	// string "PoolIndex"
	o = append(o, 0xa9, 0x50, 0x6f, 0x6f, 0x6c, 0x49, 0x6e, 0x64, 0x65, 0x78)
	o = msgp.AppendInt(o, z.PoolIndex)
	// string "SetIndex"
	o = append(o, 0xa8, 0x53, 0x65, 0x74, 0x49, 0x6e, 0x64, 0x65, 0x78)
	o = msgp.AppendInt(o, z.SetIndex)
	// string "DiskIndex"
	o = append(o, 0xa9, 0x44, 0x69, 0x73, 0x6b, 0x49, 0x6e, 0x64, 0x65, 0x78)

	if err != nil {
		return
	}
	err = en.WriteInt(z.Attempts)
	if err != nil {
		err = msgp.WrapError(err, "Attempts")
		return
	}
	// write "Delay"
	err = en.Append(0xa5, 0x44, 0x65, 0x6c, 0x61, 0x79)
	if err != nil {
		return
	}
	err = en.WriteDuration(z.Delay)
	if err != nil {
		err = msgp.WrapError(err, "Delay")
		return
	}
	return
}

	}
	// write "VersionID"
	err = en.Append(0xa9, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x49, 0x44)
	if err != nil {
		return
	}
	err = en.WriteString(z.VersionID)
	if err != nil {
		err = msgp.WrapError(err, "VersionID")
		return
	}
	// write "DataDir"
	err = en.Append(0xa7, 0x44, 0x61, 0x74, 0x61, 0x44, 0x69, 0x72)
	if err != nil {
		return
	}
	err = en.WriteString(z.DataDir)

        Comparable<?> c2 = newComparable("2");

        assertEquals(c1, c2, "reused instance should be equivalent to new instance");
    }

    /**
     * Test <a href="https://issues.apache.org/jira/browse/MNG-7644">MNG-7644</a> edge cases
     * 1.0.0.RC1 &lt; 1.0.0-RC2 and more generally:
     * 1.0.0.X1 &lt; 1.0.0-X2 for any string X
     */
    @Test
    void testMng7644() {

	}

	if err = os.MkdirAll(pathJoin(rootPath, minioMetaBucket), os.FileMode(0o755)); err != nil {
		t.Fatal(err)
	}

	if err = os.WriteFile(pathJoin(rootPath, minioMetaBucket, formatConfigFile), b, os.FileMode(0o644)); err != nil {
		t.Fatal(err)
	}

	formatData, _, err := formatErasureMigrate(rootPath)
	if err != nil {
		t.Fatal(err)
	}

	migratedVersion, err := formatGetBackendErasureVersion(formatData)