defer r.Close()
	names, err := r.readNames(-1)
	if err != io.EOF {
		t.Fatal(err)
	}
	want := loadMetacacheSampleNames
	if !reflect.DeepEqual(names, want) {
		t.Errorf("got unexpected result: %#v", names)
	}
}

func Test_metacacheReader_skip(t *testing.T) {
	r := loadMetacacheSample(t)
	defer r.Close()
	names, err := r.readNames(5)
	if err != nil {
		t.Fatal(err)
	}

			}
			r.err = err
			return err
		}
		// Send it!
		if !fn(meta) {
			return nil
		}
	}
}

// readNames will return all the requested number of names in order
// or all if n < 0.
// Will return io.EOF if end of stream is reached.
func (r *metacacheReader) readNames(n int) ([]string, error) {
	r.checkInit()
	if r.err != nil {
		return nil, r.err
	}
	if n == 0 {
		return nil, nil
	}