// Valid bucket names, but they do not exist (Test number 5-7).
		{"volatile-bucket-1", "test1", "", 0, 0, ListPartsInfo{}, BucketNotFound{Bucket: "volatile-bucket-1"}, false},
		{"volatile-bucket-2", "test1", "", 0, 0, ListPartsInfo{}, BucketNotFound{Bucket: "volatile-bucket-2"}, false},
		{"volatile-bucket-3", "test1", "", 0, 0, ListPartsInfo{}, BucketNotFound{Bucket: "volatile-bucket-3"}, false},

	var wr = NewWriter(writeErrorOnlyWriter{})
	s := "test1"
	wantBuffered := len(s)
	if _, err := wr.WriteString(s); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if err := wr.Flush(); err == nil {
		t.Error("expected flush error, got nil")
	}
	if _, err := wr.ReadFrom(strings.NewReader("test2")); err == nil {
		t.Fatal("expected error, got nil")
	}