Examples of io.vertx.core.buffer.Buffer.appendBuffer()

io.vertx.core.buffer.Buffer.appendBuffer()
Appends the specified {@code Buffer} to the end of this Buffer. The buffer will expand as necessary to accommodateany bytes written.
Returns a reference to {@code this} so multiple operations can be appended together.

    assertEquals(b.length(), len);
    byte[] copy = new byte[len];
    System.arraycopy(bytes, 1, copy, 0, len);
    assertTrue(TestUtils.byteArraysEqual(copy, b.getBytes()));


    b.appendBuffer(src, 1, len);
    assertEquals(b.length(), 2 * len);


    assertNullPointerException(() -> b.appendBuffer(null, 1, len));
  }

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    assertTrue(TestUtils.byteArraysEqual(copy, b.getBytes()));


    b.appendBuffer(src, 1, len);
    assertEquals(b.length(), 2 * len);


    assertNullPointerException(() -> b.appendBuffer(null, 1, len));
  }


  @Test
  public void testAppendByte() throws Exception {
    int bytesLen = 100;

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            sock.handler(rec -> {
              assertSame(ctx, vertx.context());
              if (!worker) {
                assertSame(thr, Thread.currentThread());
              }
              brec.appendBuffer(rec);
              if (brec.length() == buff.length()) {
                testComplete();
              }
            });
          });

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    server.listen(ar -> {
      assertTrue(ar.succeeded());
      client.connectWebsocket(HttpTestBase.DEFAULT_HTTP_PORT, HttpTestBase.DEFAULT_HTTP_HOST, path, null, version, ws -> {
        Buffer received = Buffer.buffer();
        ws.handler(data -> {
          received.appendBuffer(data);
          if (received.length() == buff.length()) {
            assertEquals(buff, received);
            ws.close();
            testComplete();
          }

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    server.listen(ar -> {
      assertTrue(ar.succeeded());
      client.connectWebsocket(HttpTestBase.DEFAULT_HTTP_PORT, HttpTestBase.DEFAULT_HTTP_HOST, path, null, version, subProtocol, ws -> {
        final Buffer received = Buffer.buffer();
        ws.handler(data -> {
          received.appendBuffer(data);
          if (received.length() == buff.length()) {
            assertEquals(buff, received);
            ws.close();
            testComplete();
          }

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