/**
     * Test header, message, body, message contructor
     */
    void testMessage()
    {
        // TODO break this up into several tests. Too intertwined
        const char* name = "Content-Type";
        const char* value = "text/plain";
        const char* httpTopLine = "GET /index.html HTTP/1.0";
        const char* valueRef = NULL;
        const char* n2 = "yyy";
        const char* v2 = "yyy-value";
        const char* v2a = "yyy-value2";
        UtlString messageBytes;
        UtlString messageBytes2;
        ssize_t messageLen = 0;
        ssize_t messageLen2 = 0;
        const char* body = "<HTML>\n<H3>Hello\n<BR>\n</HTML>\n";
        const HttpBody *bodyRef;
        ssize_t bodyLength = 0;
        UtlString headerLinePart;
        HttpMessage *msg;
        HttpMessage *msg2;

        msg = new HttpMessage();

        // H E A D E R
        int fieldCount = msg->getCountHeaderFields();
        CPPUNIT_ASSERT_EQUAL_MESSAGE("field count should be zero",
                0, fieldCount);

        msg->addHeaderField(name, value);
        fieldCount = msg->getCountHeaderFields();
        CPPUNIT_ASSERT_EQUAL_MESSAGE("field count should be zero", 1,
                fieldCount);

        valueRef = msg->getHeaderValue(0);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", value,
                valueRef);

        msg->setFirstHeaderLine(httpTopLine);
        valueRef = msg->getFirstHeaderLine();
        ASSERT_STR_EQUAL_MESSAGE("incorrect top header line value",
                valueRef, httpTopLine);

        valueRef = msg->getHeaderValue(0, name);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", value,
            valueRef);

        msg->addHeaderField(n2, v2);
        fieldCount = msg->getCountHeaderFields();
        CPPUNIT_ASSERT_EQUAL_MESSAGE("field count should be 2", 2,
                fieldCount);

        valueRef = msg->getHeaderValue(0, n2);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", v2,
            valueRef);

        msg->addHeaderField(n2, v2a);
        fieldCount = msg->getCountHeaderFields();
        CPPUNIT_ASSERT_EQUAL_MESSAGE("field count should be 3", 3,
                fieldCount);

        valueRef = msg->getHeaderValue(1, n2);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", v2a,
            valueRef);

        // B O D Y
        HttpBody *httpBody = new HttpBody(body, strlen(body));
        msg->setBody(httpBody);
        bodyRef = msg->getBody();
        CPPUNIT_ASSERT_MESSAGE("bad body pointer", httpBody == bodyRef);

        bodyRef->getBytes(&valueRef, &bodyLength);
        CPPUNIT_ASSERT_MESSAGE("bad body pointer", valueRef != NULL);
        CPPUNIT_ASSERT_EQUAL_MESSAGE("incorrect body len", (ssize_t)strlen(body),
                bodyLength);
        ASSERT_STR_EQUAL_MESSAGE("incorrect body value", body, valueRef);

        const char* expectedLinePart[] = {
            "GET", "/index.html", "HTTP/1.0"
        };
        size_t n = sizeof(expectedLinePart) / sizeof(expectedLinePart[0]);

        for (size_t i = 0; i < n; i++)
        {
            msg->getFirstHeaderLinePart(i, &headerLinePart);
            CPPUNIT_ASSERT_MESSAGE("NULL header line part pointer",
                !headerLinePart.isNull());
            ASSERT_STR_EQUAL_MESSAGE("incorrect hdr line", expectedLinePart[i],
                headerLinePart.data());
            headerLinePart.remove(0);
        }

        msg->getBytes(&messageBytes, &messageLen);
        CPPUNIT_ASSERT_MESSAGE("NULL body pointer", !messageBytes.isNull());

        // message constructor
        msg2 = new HttpMessage(messageBytes.data(), messageLen);
        msg2->getBytes(&messageBytes2, &messageLen2);
        valueRef = msg2->getHeaderValue(0, name);
        ASSERT_STR_EQUAL_MESSAGE("incorrect message bytes", value, valueRef);
        CPPUNIT_ASSERT_EQUAL_MESSAGE("incorrect message byte length",
                messageLen, messageLen2);
        delete msg2;

        delete msg;

        // AS DESIGNED: body delete is handled by delete msg
        // delete httpBody;
    }
    /**
     * Test header
     */
    void testHeader()
    {
        const char* name1 = "yyy";
        const char* value1 = "yyy-value";
        const char* valueRef = NULL;
        const char* name2 = "yyy1";
        const char* value2 = "yyy-value1";
        const char* value2a = "yyy-value2";
        const char* value2b = "yyy-value3";

	UtlBoolean  rc;

        HttpMessage *msg;

        msg = new HttpMessage();

        // H E A D E R
        int fieldCount = msg->getCountHeaderFields();
        CPPUNIT_ASSERT_EQUAL_MESSAGE("field count should be zero",
                0, fieldCount);

        // add header field name1
        msg->addHeaderField(name1, value1);

        // get overall header field count
        fieldCount = msg->getCountHeaderFields();
        CPPUNIT_ASSERT_EQUAL_MESSAGE("field count should be zero", 1,
                fieldCount);

        // get header field count for name1
        fieldCount = msg->getCountHeaderFields(name1);
        CPPUNIT_ASSERT_EQUAL_MESSAGE("field count should be zero", 1,
                fieldCount);

        // get header field by index
        valueRef = msg->getHeaderValue(0);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", value1,
                valueRef);

        // get header field by index and name
        valueRef = msg->getHeaderValue(0, name1);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", value1,
                valueRef);

        // add header field name2
        msg->addHeaderField(name2, value2);

        // get header field by name and index
        valueRef = msg->getHeaderValue(0, name2);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", value2,
            valueRef);

        // add second header field name2
        msg->addHeaderField(name2, value2);

        // get header field by name and index
        valueRef = msg->getHeaderValue(0, name2);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", value2,
            valueRef);

        // set second header field name2
        msg->setHeaderValue(name2, value2b, 1);

        // get header field by name and index
        valueRef = msg->getHeaderValue(0, name2);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", value2,
            valueRef);

        // insert header field name2 as a second header with name2
        msg->insertHeaderField(name2, value2a, 2);

        // get header field by name and index
        valueRef = msg->getHeaderValue(0, name2);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", value2,
            valueRef);

        // get overall header field count
        fieldCount = msg->getCountHeaderFields();
        CPPUNIT_ASSERT_EQUAL_MESSAGE("field count should be 4", 4,
                fieldCount);

        // get name1 header field count
        fieldCount = msg->getCountHeaderFields(name1);
        CPPUNIT_ASSERT_EQUAL_MESSAGE("field count should be 1", 1,
                fieldCount);

        // get name2 header field count
        fieldCount = msg->getCountHeaderFields(name2);
        CPPUNIT_ASSERT_EQUAL_MESSAGE("field count should be 3", 3,
                fieldCount);

        // get header field by name and index
        valueRef = msg->getHeaderValue(0, name2);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", value2,
            valueRef);

        // get header field by name and index
        valueRef = msg->getHeaderValue(1, name2);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", value2a,
            valueRef);

        // get header field by index
        valueRef = msg->getHeaderValue(3);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", value2b,
            valueRef);

        // remove non-existing header field
        rc = msg->removeHeader("non-exist", 36);
        CPPUNIT_ASSERT_MESSAGE("incorrect return code", rc == FALSE);

        // get overall header field count
        fieldCount = msg->getCountHeaderFields();
        CPPUNIT_ASSERT_EQUAL_MESSAGE("field count should be 4", 4,
                fieldCount);

        // remove header field name1
        rc = msg->removeHeader(name1, 0);
        CPPUNIT_ASSERT_MESSAGE("incorrect return code", rc == TRUE);

        // get header field by index
        valueRef = msg->getHeaderValue(0);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", value2,
            valueRef);

        // get name1 header field count
        fieldCount = msg->getCountHeaderFields(name1);
        CPPUNIT_ASSERT_EQUAL_MESSAGE("field count should be 0", 0,
                fieldCount);

        // remove second header field name2
        rc = msg->removeHeader(name2, 1);
        CPPUNIT_ASSERT_MESSAGE("incorrect return code", rc == TRUE);

        // get overall header field count
        fieldCount = msg->getCountHeaderFields();
        CPPUNIT_ASSERT_EQUAL_MESSAGE("field count should be 2", 2,
                fieldCount);

        // get name2 header field count
        fieldCount = msg->getCountHeaderFields(name2);
        CPPUNIT_ASSERT_EQUAL_MESSAGE("field count should be 2", 2,
                fieldCount);

        // get header field by index
        valueRef = msg->getHeaderValue(0);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", value2,
            valueRef);

        // get header field by name and index
        valueRef = msg->getHeaderValue(1, name2);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", value2b,
            valueRef);

        // get non-exist header field by name and index
        valueRef = msg->getHeaderValue(2, name2);
        CPPUNIT_ASSERT_MESSAGE("non-NULL field value", valueRef == NULL);

        // remove header field name2
        rc = msg->removeHeader(name2, 1);
        CPPUNIT_ASSERT_MESSAGE("incorrect return code", rc == TRUE);

        // get overall header field count
        fieldCount = msg->getCountHeaderFields();
        CPPUNIT_ASSERT_EQUAL_MESSAGE("field count should be 1", 1,
                fieldCount);

        // get header field by index
        valueRef = msg->getHeaderValue(0);
        CPPUNIT_ASSERT_MESSAGE("NULL field value", valueRef != NULL);
        ASSERT_STR_EQUAL_MESSAGE("incorrect field value", value2,
            valueRef);

        // remove header field name2
        rc = msg->removeHeader(name2, 0);
        CPPUNIT_ASSERT_MESSAGE("incorrect return code", rc == TRUE);

        // get overall header field count
        fieldCount = msg->getCountHeaderFields();
        CPPUNIT_ASSERT_EQUAL_MESSAGE("field count should be 0", 0,
                fieldCount);

        delete msg;
    }