set.CreateStringSet("dep1", "dep2", "dep3"),
			set.CreateStringSet("dep1", "dep2", "dep3", "dep4"),
			[]string{},
		},
		// Test3: not currently under site replication.
		{
			[]madmin.PeerInfo{},
			set.CreateStringSet(),
			set.CreateStringSet("dep1", "dep2", "dep3", "dep4"),
			[]string{},
		},
	}

	for i, tc := range testCases {

	if _, dup := decompressors.LoadOrStore(method, dcomp); dup {
		panic("decompressor already registered")
	}
}

// RegisterCompressor registers custom compressors for a specified method ID.
// The common methods [Store] and [Deflate] are built in.
func RegisterCompressor(method uint16, comp Compressor) {
	if _, dup := compressors.LoadOrStore(method, comp); dup {
		panic("compressor already registered")

	if err != nil {
		t.Fatal(err)
	}

	// unlock the file
	if err = l.Close(); err != nil {
		t.Fatal(err)
	}

	// try lock the unlocked file
	dupl, err := LockedOpenFile(f.Name(), os.O_WRONLY|os.O_CREATE, 0o600)
	if err != nil {
		t.Errorf("err = %v, want %v", err, nil)
	}

	// blocking on locked file
	locked := make(chan struct{}, 1)
	go func() {