Пример #1
0
 @Test
 public void testGetAndSetBytes() throws Exception {
   DynamicByteBuffer buf = DynamicByteBuffer.allocate(2);
   buf.put((byte) 1);
   buf.put((byte) 2);
   buf.flip();
   assertEquals((byte) 1, buf.get());
   assertEquals((byte) 2, buf.get());
   buf.flip();
   assertEquals((byte) 1, buf.getAt(0));
   assertEquals((byte) 2, buf.getAt(1));
   buf.flip();
 }
Пример #2
0
  @Test
  public void testGetAndSetPut() throws Exception {
    DynamicByteBuffer buf = new DynamicByteBuffer();
    byte b1 = (byte) -128;
    byte b2 = (byte) 127;
    byte b3 = (byte) 128;
    byte b4 = (byte) 12;
    byte b5 = (byte) 13;
    buf.put(b1);
    buf.put(b2);
    buf.put(b3);
    buf.flip();

    assertEquals(b1, buf.get());
    assertEquals(b2, buf.get());
    assertEquals(b3, buf.get());

    buf.putAt(0, b4);
    buf.putAt(1, b5);
    assertEquals(b4, buf.getAt(0));
    assertEquals(b5, buf.getAt(1));
  }
Пример #3
0
 @Test
 public void testGetAndSetSegment() throws Exception {
   // tests reallocation of buffer automatically.
   byte[] source = new byte[] {(byte) 1, (byte) 2, (byte) 3, (byte) 4, (byte) 5, (byte) 6};
   DynamicByteBuffer buf = DynamicByteBuffer.allocate(2);
   buf.put(source, 1, 4); // put 2,3,4,5 into buffer
   buf.flip();
   assertEquals(4, buf.remaining());
   byte[] dest = new byte[3];
   buf.get(dest, 1, 2); // get 3,4 into dest, start position at 1
   assertEquals((byte) 0, dest[0]);
   assertEquals((byte) 2, dest[1]);
   assertEquals((byte) 3, dest[2]);
 }
Пример #4
0
 @Test
 public void testGetAndSetVarious() throws Exception {
   // tests reallocation of buffer automatically.
   DynamicByteBuffer buf = DynamicByteBuffer.allocate(2);
   buf.put((byte) 1);
   buf.putShort((short) 2);
   buf.putInt(3);
   buf.putLong(4);
   String test = "this";
   buf.putString(test, Charset.defaultCharset());
   buf.put((byte) 0);
   buf.putPrefixedString(1, "abcde", Charset.defaultCharset());
   buf.flip();
   assertEquals((byte) 1, buf.get());
   assertEquals((short) 2, buf.getShort());
   assertEquals(3, buf.getInt());
   assertEquals(4, buf.getLong());
   assertEquals(test, buf.getString(Charset.defaultCharset()));
   assertEquals("abcde", buf.getPrefixedString(1, Charset.defaultCharset()));
 }
Пример #5
0
  @Test
  public void testBuffers() throws Exception {
    // tests reallocation of buffer automatically.
    String test1 = "Test1";
    String test2 = "Test2";
    DynamicByteBuffer buf1 = DynamicByteBuffer.wrap(test1.getBytes());
    DynamicByteBuffer buf2 = DynamicByteBuffer.wrap(test2.getBytes());
    buf1.get();
    buf1.get();

    int p = buf1.position();
    buf1.skip(buf1.remaining());
    buf1.putBuffer(buf2);
    buf1.flip();
    buf1.position(p);
    buf1 = buf1.slice();

    // TODO: should test actual contents of these buffers
    assertEquals(8, buf1.remaining());
  }
Пример #6
0
 @Test
 public void testGetAndSetPrefixStringsInUTF16() throws Exception {
   // tests reallocation of buffer automatically.
   DynamicByteBuffer buf = DynamicByteBuffer.allocate(2);
   Charset cs = Charset.forName("UTF-16");
   String test = "this";
   String test1 = "is";
   String test2 = "a";
   String test3 = "story";
   buf.putPrefixedString(2, test, cs);
   buf.putPrefixedString(2, test1, cs);
   buf.putPrefixedString(2, test2, cs);
   buf.putPrefixedString(2, test3, cs);
   buf.put((byte) 0);
   buf.putInt(100);
   buf.flip();
   assertEquals(test, buf.getPrefixedString(2, cs));
   assertEquals(test1, buf.getPrefixedString(2, cs));
   assertEquals(test2, buf.getPrefixedString(2, cs));
   assertEquals(test3, buf.getPrefixedString(2, cs));
   assertEquals((byte) 0, buf.get());
   assertEquals(100, buf.getInt());
 }