output: #fixed code
                                  @Test
      public void testConstructors() throws Exception {
          final ContentLengthOutputStream in = new ContentLengthOutputStream(
                  new SessionOutputBufferMock(), 10L);
          in.close();
          try {
              new ContentLengthOutputStream(null, 10L);
              Assert.fail("IllegalArgumentException should have been thrown");
          } catch (final IllegalArgumentException ex) {
              // expected
          }
          try {
              new ContentLengthOutputStream(new SessionOutputBufferMock(), -10);
              Assert.fail("IllegalArgumentException should have been thrown");
          } catch (final IllegalArgumentException ex) {
              // expected
          }
      }
input: #vulnerable code 
                                  @Test
      public void testConstructors() throws Exception {
          new ContentLengthOutputStream(new SessionOutputBufferMock(), 10L);
          try {
              new ContentLengthOutputStream(null, 10L);
              Assert.fail("IllegalArgumentException should have been thrown");
          } catch (final IllegalArgumentException ex) {
              // expected
          }
          try {
              new ContentLengthOutputStream(new SessionOutputBufferMock(), -10);
              Assert.fail("IllegalArgumentException should have been thrown");
          } catch (final IllegalArgumentException ex) {
              // expected
          }
      } 
                              #location 3 
                              #vulnerability type RESOURCE_LEAK