}
		gotObj, err := r.next()
		if err != nil {
			t.Fatal(err)
		}
		if gotObj.name != want {
			t.Errorf("entry %d, want %q, got %q", i, want, gotObj.name)
		}
	}
}

func Test_newMetacacheStream(t *testing.T) {
	r := loadMetacacheSample(t)
	var buf bytes.Buffer
	w := newMetacacheWriter(&buf, 1<<20)
	defer w.Close()
	err := r.readFn(func(object metaCacheEntry) bool {
		err := w.write(object)