int64(1e10 - blockSize),
						strings.Repeat("\x00", blockSize-100) + strings.Repeat("0123456789", 10),
						int64(1e10 - blockSize),
						strings.Repeat("\x00", blockSize-100) + strings.Repeat("0123456789", 10),
						int64(1e10 - blockSize),
						strings.Repeat("\x00", blockSize-100) + strings.Repeat("0123456789", 10),
						int64(1e10 - blockSize),
						strings.Repeat("\x00", blockSize-100) + strings.Repeat("0123456789", 10),

    val deflater = MessageDeflater(false)
    val inflater = MessageInflater(false)

    val goldenValue1 = "Hello deflate!".repeat(100).encodeUtf8()
    val deflatedValue1 = deflater.deflate(goldenValue1)
    assertThat(inflater.inflate(deflatedValue1)).isEqualTo(goldenValue1)

    val goldenValue2 = "Hello deflate?".repeat(100).encodeUtf8()
    val deflatedValue2 = deflater.deflate(goldenValue2)

func BenchmarkRingBuffer_Sync(b *testing.B) {
	rb := New(1024)
	data := []byte(strings.Repeat("a", 512))
	buf := make([]byte, 512)

	for b.Loop() {
		rb.Write(data)
		rb.Read(buf)
	}
}

func BenchmarkRingBuffer_AsyncRead(b *testing.B) {
	// Pretty useless benchmark, but it's here for completeness.
	rb := New(1024)
	data := []byte(strings.Repeat("a", 512))
	buf := make([]byte, 512)

	go func() {
		for {
			rb.Read(buf)

	}
	rb.Write([]byte(strings.Repeat("abcd", 15)))

	if !bytes.Equal(rb.Bytes(nil), []byte("bcd"+strings.Repeat("abcd", 15))) {
		t.Fatalf("expect 63 ... but got %s. r.w=%d, r.r=%d", rb.Bytes(nil), rb.w, rb.r)
	}

	rb.Reset()
	n, err = rb.Write([]byte(strings.Repeat("abcd", 16)))
	if err != nil {
		t.Fatalf("write failed: %v", err)
	}
	if n != 64 {

  }

  @Test fun doesNotConsumeBuffer() {
    val buffer = Buffer()
    buffer.writeUtf8("hello ".repeat(1024))
    assertThat(buffer.isProbablyUtf8(100L)).isTrue()
    assertThat(buffer.readUtf8()).isEqualTo("hello ".repeat(1024))
  }

  /** Confirm [isProbablyUtf8] doesn't attempt to read the entire stream. */
  @Test fun doesNotReadEntireSource() {
    val unlimitedSource =

        }
    }

    @Test
    @DisplayName("Should handle long strings as elements")
    void testJoinWithLongStrings() {
        String longString1 = "a".repeat(1000);
        String longString2 = "b".repeat(1000);
        String result = StringUtil.join(",", longString1, longString2);
        assertEquals(2001, result.length()); // 1000 + 1 + 1000
        assertTrue(result.startsWith("aaa"));

  fun closeReasonMaximumLength() {
    webServer.enqueue(
      MockResponse
        .Builder()
        .webSocketUpgrade(serverListener)
        .build(),
    )
    val clientReason = repeat('C', 123)
    val serverReason = repeat('S', 123)
    val webSocket: WebSocket = newWebSocket()
    val server = serverListener.assertOpen()
    clientListener.assertOpen()
    webSocket.close(1000, clientReason)

		if got != v.want {
			t.Errorf("formatPAXTime(%ds, %dns): got %q, want %q",
				v.sec, v.nsec, got, v.want)
		}
	}
}

func TestParsePAXRecord(t *testing.T) {
	medName := strings.Repeat("CD", 50)
	longName := strings.Repeat("AB", 100)

	vectors := []struct {
		in      string
		wantRes string
		wantKey string
		wantVal string
		ok      bool
	}{
		{"6 k=v\n\n", "\n", "k", "v", true},

		{"a", 'ӆ', -1},
		{"  ӆ", 'ӆ', 2},
		{"  a", 'ӆ', -1},
		{strings.Repeat("ц", 64) + "ӆ", 'ӆ', 128}, // test cutover
		{strings.Repeat("ц", 64), 'ӆ', -1},

		// 3 bytes
		{"Ꚁ", 'Ꚁ', 0},
		{"a", 'Ꚁ', -1},
		{"  Ꚁ", 'Ꚁ', 2},
		{"  a", 'Ꚁ', -1},
		{strings.Repeat("Ꙁ", 64) + "Ꚁ", 'Ꚁ', 192}, // test cutover
		{strings.Repeat("Ꙁ", 64) + "Ꚁ", '䚀', -1},  // 'Ꚁ' and '䚀' share the same last two bytes

		// 4 bytes

        // Should pass without exception
    }

    @Test
    public void testStringTooLong() throws Exception {
        String longString = "a".repeat(300);
        assertThrows(SmbException.class, () -> {
            validator.validateString(longString, 255, "test");
        });
    }

    @Test
    public void testStringWithNullBytes() throws Exception {