if !h.init(bits1) {
		t.Fatalf("Given sequence of bits is good and should succeed.")
	}
	if h.init(bits2) {
		t.Fatalf("Given sequence of bits is bad and should not succeed.")
	}
}

func TestInvalidEncoding(t *testing.T) {
	// Initialize Huffman decoder to recognize "0".
	var h huffmanDecoder
	if !h.init([]int{1}) {
		t.Fatal("Failed to initialize Huffman decoder")
	}