Package org.apache.http.util

Examples of org.apache.http.util.ByteArrayBuffer.capacity()

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        return new TestSuite(TestByteArrayBuffer.class);
    }

    public void testConstructor() throws Exception {
      ByteArrayBuffer buffer = new ByteArrayBuffer(16);
      assertEquals(16, buffer.capacity());
      assertEquals(0, buffer.length());
        assertNotNull(buffer.buffer());
        assertEquals(16, buffer.buffer().length);
      try {
        new ByteArrayBuffer(-1);
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      }
    }
   
    public void testSimpleAppend() throws Exception {
      ByteArrayBuffer buffer = new ByteArrayBuffer(16);
      assertEquals(16, buffer.capacity());
      assertEquals(0, buffer.length());
      byte[] b1 = buffer.toByteArray();
      assertNotNull(b1);
      assertEquals(0, b1.length);
      assertTrue(buffer.isEmpty());
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      assertTrue(buffer.isEmpty());
        assertFalse(buffer.isFull());
     
      byte[] tmp = new byte[] { 1, 2, 3, 4};
      buffer.append(tmp, 0, tmp.length);
      assertEquals(16, buffer.capacity());
      assertEquals(4, buffer.length());
      assertFalse(buffer.isEmpty());
        assertFalse(buffer.isFull());
     
      byte[] b2 = buffer.toByteArray();
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      for (int i = 0; i < tmp.length; i++) {
          assertEquals(tmp[i], b2[i]);
          assertEquals(tmp[i], buffer.byteAt(i));
      }
      buffer.clear();
      assertEquals(16, buffer.capacity());
      assertEquals(0, buffer.length());
      assertTrue(buffer.isEmpty());
        assertFalse(buffer.isFull());
    }
   
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        assertFalse(buffer.isFull());
    }
   
    public void testExpandAppend() throws Exception {
      ByteArrayBuffer buffer = new ByteArrayBuffer(4);
      assertEquals(4, buffer.capacity());
     
      byte[] tmp = new byte[] { 1, 2, 3, 4};
      buffer.append(tmp, 0, 2);
      buffer.append(tmp, 0, 4);
      buffer.append(tmp, 0, 0);
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      byte[] tmp = new byte[] { 1, 2, 3, 4};
      buffer.append(tmp, 0, 2);
      buffer.append(tmp, 0, 4);
      buffer.append(tmp, 0, 0);

      assertEquals(8, buffer.capacity());
      assertEquals(6, buffer.length());
     
      buffer.append(tmp, 0, 4);
     
      assertEquals(16, buffer.capacity());
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      assertEquals(8, buffer.capacity());
      assertEquals(6, buffer.length());
     
      buffer.append(tmp, 0, 4);
     
      assertEquals(16, buffer.capacity());
      assertEquals(10, buffer.length());
    }
   
    public void testInvalidAppend() throws Exception {
      ByteArrayBuffer buffer = new ByteArrayBuffer(4);
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      }
    }

    public void testAppendOneByte() throws Exception {
        ByteArrayBuffer buffer = new ByteArrayBuffer(4);
        assertEquals(4, buffer.capacity());
       
        byte[] tmp = new byte[] { 1, 127, -1, -128, 1, -2};
        for (int i = 0; i < tmp.length; i++) {
            buffer.append(tmp[i]);
        }
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        byte[] tmp = new byte[] { 1, 127, -1, -128, 1, -2};
        for (int i = 0; i < tmp.length; i++) {
            buffer.append(tmp[i]);
        }
        assertEquals(8, buffer.capacity());
        assertEquals(6, buffer.length());
       
        for (int i = 0; i < tmp.length; i++) {
            assertEquals(tmp[i], buffer.byteAt(i));
        }
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        return new TestSuite(TestByteArrayBuffer.class);
    }

    public void testConstructor() throws Exception {
      ByteArrayBuffer buffer = new ByteArrayBuffer(16);
      assertEquals(16, buffer.capacity());
      assertEquals(0, buffer.length());
        assertNotNull(buffer.buffer());
        assertEquals(16, buffer.buffer().length);
      try {
        new ByteArrayBuffer(-1);
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