@Test
public void spanStore() {
Object listener = new Object();
Proxy proxyListener = new Proxy();
when(httpExchange.getEventListener()).thenReturn(listener);
when(runtimeLinker.createProxy(eq(JettyEventListenerProxy.class), Mockito.<JettyEventListenerProxy> any(), Mockito.<ClassLoader> any())).thenReturn(proxyListener);
AsyncClientRequestAdapter<TextMap> adapter = sensor.getAsyncClientRequestAdapter(object, new Object[] { httpExchange }, rsc);
adapter.getSpanStoreAdapter().setSpanStore(spanStore);
verify(httpExchange).setEventListener(proxyListener);
ArgumentCaptor<JettyEventListenerProxy> proxyCaptor = ArgumentCaptor.forClass(JettyEventListenerProxy.class);
verify(runtimeLinker).createProxy(eq(JettyEventListenerProxy.class), proxyCaptor.capture(), eq(httpExchange.getClass().getClassLoader()));
assertThat(proxyCaptor.getValue().getOriginalListener(), is(listener));
assertThat(proxyCaptor.getValue().getSpanStore(), is(spanStore));
verifyNoMoreInteractions(runtimeLinker);
verifyZeroInteractions(object, rsc);
}