public void testParamByName() throws Exception {

        final String s = "name = value; param1 = value1; param2 = value2";

        final CharArrayBuffer buf = new CharArrayBuffer(64);

        buf.append(s);

        final ParserCursor cursor = new ParserCursor(0, buf.length());

        final HeaderElement element = BasicHeaderValueParser.INSTANCE.parseHeaderElement(buf, cursor);

        Assert.assertEquals("value1", element.getParameterByName("param1").getValue());

        Assert.assertEquals("value2", element.getParameterByName("param2").getValue());

        Assert.assertNull(element.getParameterByName("param3"));

        try {

            element.getParameterByName(null);

            Assert.fail("IllegalArgumentException should have been thrown");

        } catch (final IllegalArgumentException ex) {

        }

    }