t.Errorf("Flush() = %v, want non-nil error", err)
		}
		if err := tw.Close(); err == nil {
			t.Errorf("Close() = %v, want non-nil error", err)
		}
	})
}

func TestSplitUSTARPath(t *testing.T) {
	sr := strings.Repeat

	vectors := []struct {
		input  string // Input path
		prefix string // Expected output prefix
		suffix string // Expected output suffix