code: @Test public void testConstructors() throws Exception {
    new ContentLengthInputStream(new SessionInputBufferMock(new byte[]{}),10);
    try {
      new ContentLengthInputStream(null,10);
      Assert.fail("IllegalArgumentException should have been thrown");
    }
   catch (  IllegalArgumentException ex) {
    }
    try {
      new ContentLengthInputStream(new SessionInputBufferMock(new byte[]{}),-10);
      Assert.fail("IllegalArgumentException should have been thrown");
    }
   catch (  IllegalArgumentException ex) {
    }
  }
  