// from 1 non-literal code. The EOF code contributes 0 decoded bytes.
	if nDecoded != int64(nCodes+2) {
		t.Fatalf("nDecoded: got %v, want %v", nDecoded, nCodes+2)
	}
}

func BenchmarkDecoder(b *testing.B) {
	buf, err := os.ReadFile("../testdata/e.txt")
	if err != nil {
		b.Fatal(err)
	}
	if len(buf) == 0 {
		b.Fatalf("test file has no data")
	}