t.Fatalf("expect free 0 bytes but got %d. r.w=%d, r.r=%d", rb.Free(), rb.w, rb.r)
	}
	if !bytes.Equal(append(buf, rb.Bytes(nil)...), []byte(strings.Repeat("abcd", 16)+strings.Repeat("1234", 4))) {
		t.Fatalf("expect 16 abcd and 4 1234 but got %s. r.w=%d, r.r=%d", rb.Bytes(nil), rb.w, rb.r)
	}
}

func TestRingBuffer_WriteBlocking(t *testing.T) {
	rb := New(64).SetBlocking(true)

	// check empty or full
	if !rb.IsEmpty() {

        // Test when sd_size doesn't match actual array size
        srvsvc.ShareInfo502 info502 = new srvsvc.ShareInfo502();
        info502.security_descriptor = new byte[] { 1, 2, 3, 4 };
        info502.sd_size = 100; // Mismatched size - SecurityDescriptor will try to read beyond array bounds

        // Replace info field

        assertEquals("FF", Hexdump.toHexString(255, 2));

        // Test larger values
        assertEquals("00001234", Hexdump.toHexString(0x1234, 8));
        assertEquals("1234", Hexdump.toHexString(0x1234, 4));
        assertEquals("34", Hexdump.toHexString(0x1234, 2));

        // Test negative values (treated as unsigned)
        assertEquals("FFFFFFFF", Hexdump.toHexString(-1, 8));

    @DisplayName("Available returns remaining bytes in current message")
    void availableReturnsBytesInCurrentMessage() throws IOException {
        // Create message with 4 bytes
        byte[] data = new byte[] { 1, 2, 3, 4 };
        InputStream in = new ByteArrayInputStream(concat(messageHeader(4), data));
        SocketInputStream sis = new SocketInputStream(in);

        // Read one byte to trigger message header processing

    SetMultimap<String, Integer> multimap = create();
    multimap.putAll("bar", asList(3, 1, 2));
    multimap.putAll("foo", asList(2, 3, 1, -1, 4));
    assertThat(multimap.toString()).isEqualTo("{bar=[1, 2, 3], foo=[-1, 1, 2, 3, 4]}");
  }

  public void testOrderedGet() {
    TreeMultimap<String, Integer> multimap = createPopulate();
    assertThat(multimap.get("foo")).containsExactly(1, 3, 7).inOrder();

        // Create a temporary lmhosts file with various IP formats
        File lmhostsFile = tempDir.resolve("lmhosts_ips").toFile();
        try (FileWriter writer = new FileWriter(lmhostsFile)) {
            writer.write("1.2.3.4 HOST1\n");
            writer.write("192.168.1.100 HOST2\n");
            writer.write("255.255.255.255 HOST3\n");
            writer.write("10.0.0.1 HOST4\n");
        }

    X1220,
    X1221,
    X1222,
    X1223,
    X1224,
    X1225,
    X1226,
    X1227,
    X1228,
    X1229,
    X1230,
    X1231,
    X1232,
    X1233,
    X1234,
    X1235,
    X1236,
    X1237,
    X1238,
    X1239,
    X1240,
    X1241,
    X1242,
    X1243,
    X1244,
    X1245,
    X1246,
    X1247,
    X1248,

  }

  public void testIteratorConcurrentModification() {
    MinMaxPriorityQueue<Integer> mmHeap = MinMaxPriorityQueue.create();
    mmHeap.addAll(Lists.newArrayList(1, 2, 3, 4));
    Iterator<Integer> it = mmHeap.iterator();
    assertTrue("Iterator has reached end prematurely", it.hasNext());
    it.next();
    it.next();
    mmHeap.remove(4);

    assertTrue(len4.matches('c'));
    assertTrue(len4.matches('d'));
    for (char c = 'e'; c < 'z'; c++) {
      assertFalse(len4.matches(c));
    }

    Random rand = new Random(1234);
    for (int testCase = 0; testCase < 100; testCase++) {
      char[] chars = randomChars(rand, rand.nextInt(63) + 1);
      CharMatcher m = SmallCharMatcher.from(bitSet(chars), new String(chars));

http://foo/abcd?efgh?ijkl  s:http h:foo p:/abcd q:?efgh?ijkl
http://foo/abcd#foo?bar  s:http h:foo p:/abcd f:#foo?bar
[61:24:74]:98  s:http h:example.org p:/foo/[61:24:74]:98
http:[61:27]/:foo  s:http h:example.org p:/foo/[61:27]/:foo
http://[1::2]:3:4
http://2001::1
http://2001::1]
http://2001::1]:80
http://[2001::1]  s:http h:[2001::1] p:/
http://[2001::1]:80  s:http h:[2001::1] p:/
http:/example.com/  s:http h:example.org p:/example.com/