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???????????? ???????[ 2013/12/18 10:50:50 ] ????????

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???????????void ??????????????????????????????????????????????????????????????????????????
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public class ServiceHolder {

private final Set<Object> services = new HashSet<Object>();

public void addService(Object service) {

services.add(service);

}

public void removeService(Object service) {

services.remove(service);

}

?????????????void addService (..) ????????????????????????????? ??????services ?????????????????????е?? ??????????????????????services?????????????????

??????λ???????б????? ??????mock??????????

@Test

public void testAddService() throws Exception {

ServiceHolder tested = new ServiceHolder();

final Object service = new Object();

tested.addService(service);

// ?????б?????????????

Set<String> services = Whitebox.getInternalState(tested??"services");

assertEquals("Size of the "services" Set should be 1"?? 1?? services.size());

assertSame("The services Set should didn't contain the expect service"??

service?? services.iterator().next());

}