@Test
public void testJAXPClientWantsAltImplementation2() throws Exception {

    Bundle systembundle = mockSystemBundle();
    Bundle providerBundle = mockProviderBundle("impl3", 1);
    activator.registerProviderBundle("javax.xml.parsers.DocumentBuilderFactory", providerBundle, new HashMap<String, Object>());
    Dictionary<String, String> headers = new Hashtable<String, String>();
    headers.put(SpiFlyConstants.SPI_CONSUMER_HEADER, "javax.xml.parsers.DocumentBuilderFactory#newInstance();bundle=impl3");
    Bundle consumerBundle = mockConsumerBundle(headers, providerBundle, systembundle);
    activator.addConsumerWeavingData(consumerBundle, SpiFlyConstants.SPI_CONSUMER_HEADER);
    WeavingHook wh = new ClientWeavingHook(mockSpiFlyBundle(consumerBundle, providerBundle, systembundle).getBundleContext(), activator);
    URL clsUrl = getClass().getResource("JaxpClient.class");
    WovenClass wc = new MyWovenClass(clsUrl, "org.apache.aries.spifly.dynamic.JaxpClient", consumerBundle);
    wh.weave(wc);
    Class<?> cls = wc.getDefinedClass();
    Method method = cls.getMethod("test", new Class [] {});
    Class<?> result = (Class<?>) method.invoke(cls.newInstance());
    Assert.assertEquals("JAXP implementation from alternative bundle", "org.apache.aries.spifly.dynamic.impl3.MyAltDocumentBuilderFactory", result.getName());
}