CompressionServletResponseWrapper(HttpServletResponse response, int compressionThreshold) {
		super(response);
		assert compressionThreshold >= 0;
		this.compressionThreshold = compressionThreshold;
	}
@Test
	public void testCompressionServletResponseWrapper() throws IOException {
		final CompressionServletResponseWrapper wrapper = new CompressionServletResponseWrapper(
				new HttpResponse(), 1024);
		wrapper.setStatus(HttpServletResponse.SC_NOT_FOUND);
		assertEquals("status", HttpServletResponse.SC_NOT_FOUND, wrapper.getCurrentStatus());
		wrapper.sendError(HttpServletResponse.SC_BAD_GATEWAY);
		assertEquals("status", HttpServletResponse.SC_BAD_GATEWAY, wrapper.getCurrentStatus());
		wrapper.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE, "message");
		assertEquals("status", HttpServletResponse.SC_SERVICE_UNAVAILABLE,
				wrapper.getCurrentStatus());
		assertNotNull("outputStream", wrapper.createOutputStream());
		assertNotNull("writer", wrapper.getWriter());
		wrapper.flushStream();
		wrapper.flushBuffer();
		wrapper.close();
		wrapper.setContentLength(0);
		wrapper.finishResponse();
		boolean ok = false;
		try {
			wrapper.getOutputStream();
		} catch (final Exception e) {
			ok = true;
		}
		assertTrue("exception", ok);

		final CompressionServletResponseWrapper wrapper2 = new CompressionServletResponseWrapper(
				new HttpResponse(), 1024);
		assertNotNull("outputStream", wrapper2.getOutputStream());
		wrapper2.flushBuffer();
		wrapper2.close();
		boolean ok2 = false;
		try {
			wrapper2.getWriter();
		} catch (final Exception e) {
			ok2 = true;
		}
		assertTrue("exception", ok2);
	}