Package io.vertx.core.buffer

Examples of io.vertx.core.buffer.Buffer

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  public void testAppendBytesWithOffsetAndLen() throws Exception {
    int bytesLen = 100;
    byte[] bytes = TestUtils.randomByteArray(bytesLen);
    int len = bytesLen - 2;

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

    b.appendBytes(bytes, 1, len);
    assertEquals(b.length(), 2 * len);

    assertNullPointerException(() -> b.appendBytes(null, 1, len));
  }
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  @Test
  public void testAppendBufferWithOffsetAndLen() throws Exception {
    int bytesLen = 100;
    byte[] bytes = TestUtils.randomByteArray(bytesLen);
    Buffer src = Buffer.buffer(bytes);
    int len = bytesLen - 2;

    Buffer b = Buffer.buffer();
    b.appendBuffer(src, 1, len);
    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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  @Test
  public void testAppendByte() throws Exception {
    int bytesLen = 100;
    byte[] bytes = TestUtils.randomByteArray(bytesLen);

    Buffer b = Buffer.buffer();
    for (int i = 0; i < bytesLen; i++) {
      b.appendByte(bytes[i]);
    }
    assertEquals(b.length(), bytes.length);
    assertTrue(TestUtils.byteArraysEqual(bytes, b.getBytes()));

    for (int i = 0; i < bytesLen; i++) {
      b.appendByte(bytes[i]);
    }
    assertEquals(b.length(), 2 * bytes.length);
  }
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  }

  @Test
  public void testAppendByte2() throws Exception {
    int bytesLen = 100;
    Buffer b = Buffer.buffer(TestUtils.randomByteArray(bytesLen));
    b.setByte(b.length(), (byte) 9);

  }
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  public void testAppendString1() throws Exception {

    String str = TestUtils.randomUnicodeString(100);
    byte[] sb = str.getBytes("UTF-8");

    Buffer b = Buffer.buffer();
    b.appendString(str);
    assertEquals(b.length(), sb.length);
    assertTrue(str.equals(b.toString("UTF-8")));

    assertNullPointerException(() -> b.appendString(null));
    assertNullPointerException(() -> b.appendString(null, "UTF-8"));
    assertNullPointerException(() -> b.appendString("", null));
  }
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  @Test
  public void testGetOutOfBounds() throws Exception {
    int bytesLen = 100;
    byte[] bytes = TestUtils.randomByteArray(bytesLen);

    Buffer b = Buffer.buffer(bytes);
    assertIndexOutOfBoundsException(() -> b.getByte(bytesLen));
    assertIndexOutOfBoundsException(() -> b.getByte(bytesLen + 1));
    assertIndexOutOfBoundsException(() -> b.getByte(bytesLen + 100));
    assertIndexOutOfBoundsException(() -> b.getByte(-1));
    assertIndexOutOfBoundsException(() -> b.getByte(-100));
    assertIndexOutOfBoundsException(() -> b.getInt(bytesLen));
    assertIndexOutOfBoundsException(() -> b.getInt(bytesLen + 1));
    assertIndexOutOfBoundsException(() -> b.getInt(bytesLen + 100));
    assertIndexOutOfBoundsException(() -> b.getInt(-1));
    assertIndexOutOfBoundsException(() -> b.getInt(-100));
    assertIndexOutOfBoundsException(() -> b.getLong(bytesLen));
    assertIndexOutOfBoundsException(() -> b.getLong(bytesLen + 1));
    assertIndexOutOfBoundsException(() -> b.getLong(bytesLen + 100));
    assertIndexOutOfBoundsException(() -> b.getLong(-1));
    assertIndexOutOfBoundsException(() -> b.getLong(-100));
    assertIndexOutOfBoundsException(() -> b.getFloat(bytesLen));
    assertIndexOutOfBoundsException(() -> b.getFloat(bytesLen + 1));
    assertIndexOutOfBoundsException(() -> b.getFloat(bytesLen + 100));
    assertIndexOutOfBoundsException(() -> b.getFloat(-1));
    assertIndexOutOfBoundsException(() -> b.getFloat(-100));
    assertIndexOutOfBoundsException(() -> b.getDouble(bytesLen));
    assertIndexOutOfBoundsException(() -> b.getDouble(bytesLen + 1));
    assertIndexOutOfBoundsException(() -> b.getDouble(bytesLen + 100));
    assertIndexOutOfBoundsException(() -> b.getDouble(-1));
    assertIndexOutOfBoundsException(() -> b.getDouble(-100));
    assertIndexOutOfBoundsException(() -> b.getShort(bytesLen));
    assertIndexOutOfBoundsException(() -> b.getShort(bytesLen + 1));
    assertIndexOutOfBoundsException(() -> b.getShort(bytesLen + 100));
    assertIndexOutOfBoundsException(() -> b.getShort(-1));
    assertIndexOutOfBoundsException(() -> b.getShort(-100));
    assertIndexOutOfBoundsException(() -> b.getBytes(bytesLen + 1, bytesLen + 1));
    assertIndexOutOfBoundsException(() -> b.getBytes(bytesLen + 100, bytesLen + 100));
    assertIndexOutOfBoundsException(() -> b.getBytes(-1, -1));
    assertIndexOutOfBoundsException(() -> b.getBytes(-100, -100));
    assertIndexOutOfBoundsException(() -> b.getString(-1, bytesLen));
    assertIndexOutOfBoundsException(() -> b.getString(0, bytesLen + 1));
    assertIllegalArgumentException(() -> b.getString(2, 1));
    assertIndexOutOfBoundsException(() -> b.getString(-1, bytesLen, "UTF-8"));
    assertIndexOutOfBoundsException(() -> b.getString(0, bytesLen + 1, "UTF-8"));
    assertIllegalArgumentException(() -> b.getString(2, 1, "UTF-8"));
  }
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    assertIllegalArgumentException(() -> b.getString(2, 1, "UTF-8"));
  }

  @Test
  public void testSetOutOfBounds() throws Exception {
    Buffer b = Buffer.buffer(numSets);

    assertIndexOutOfBoundsException(() -> b.setByte(-1, (byte) 0));
    assertIndexOutOfBoundsException(() -> b.setInt(-1, 0));
    assertIndexOutOfBoundsException(() -> b.setLong(-1, 0));
    assertIndexOutOfBoundsException(() -> b.setDouble(-1, 0));
    assertIndexOutOfBoundsException(() -> b.setFloat(-1, 0));
    assertIndexOutOfBoundsException(() -> b.setShort(-1, (short) 0));
    assertIndexOutOfBoundsException(() -> b.setBuffer(-1, b));
    assertIndexOutOfBoundsException(() -> b.setBuffer(0, b, -1, 0));
    assertIllegalArgumentException(() -> b.setBuffer(0, b, 0, -1));
    assertIndexOutOfBoundsException(() -> b.setBytes(-1, TestUtils.randomByteArray(1)));
    assertIndexOutOfBoundsException(() -> b.setBytes(-1, TestUtils.randomByteArray(1), -1, 0));
    assertIllegalArgumentException(() -> b.setBytes(-1, TestUtils.randomByteArray(1), 0, -1));
    assertIndexOutOfBoundsException(() -> b.setString(-1, ""));
    assertIndexOutOfBoundsException(() -> b.setString(-1, "", "UTF-8"));
  }
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  @Test
  public void testGetByte() throws Exception {
    int bytesLen = 100;
    byte[] bytes = TestUtils.randomByteArray(bytesLen);

    Buffer b = Buffer.buffer(bytes);
    for (int i = 0; i < bytesLen; i++) {
      assertEquals(bytes[i], b.getByte(i));
    }
  }
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  }

  @Test
  public void testGetInt() throws Exception {
    int numInts = 100;
    Buffer b = Buffer.buffer(numInts * 4);
    for (int i = 0; i < numInts; i++) {
      b.setInt(i * 4, i);
    }

    for (int i = 0; i < numInts; i++) {
      assertEquals(i, b.getInt(i * 4));
    }
  }
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  }

  @Test
  public void testGetLong() throws Exception {
    int numLongs = 100;
    Buffer b = Buffer.buffer(numLongs * 8);
    for (int i = 0; i < numLongs; i++) {
      b.setLong(i * 8, i);
    }

    for (int i = 0; i < numLongs; i++) {
      assertEquals(i, b.getLong(i * 8));
    }
  }
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