public void testWithEveryoneHavingASingletonView() throws Exception {
// Inject view {A} into A, B and C:
injectView(Util.createView(a.getAddress(), 10, a.getAddress()), a);
injectView(Util.createView(b.getAddress(), 10, b.getAddress()), b);
injectView(Util.createView(c.getAddress(), 10, c.getAddress()), c);
sendAndCheckMessages(5, a, b, c);
}
/** Creates a singleton view for each channel listed and injects it */
protected static void createPartition(JChannel... channels) {
for (JChannel ch : channels) {
View view = Util.createView(ch.getAddress(), 5, ch.getAddress());
GMS gms = (GMS) ch.getProtocolStack().findProtocol(GMS.class);
gms.installView(view);
}
}
/**
* Verifies that unicasts are received correctly by all participants after an overlapping merge.
* The following steps are executed:
*
* <ol>
* <li/>Group is {A,B,C}, A is the coordinator
* <li/>MERGE2 is removed from all members
* <li/>VERIFY_SUSPECT is removed from all members
* <li/>Everyone sends 5 unicast messages to everyone else
* <li/>A VIEW(B,C) is injected into B and C
* <li/>B and C install {B,C}
* <li/>B and C trash the connection table for A in UNICAST
* <li/>A still has view {A,B,C} and all connection tables intact in UNICAST
* <li/>We now send N unicasts from everyone to everyone else, all the unicasts should be
* received.
* </ol>
*/
public void testWithViewBC() throws Exception {
System.out.println("A's view: " + a.getView());
// Inject view {B,C} into B and C:
View new_view = Util.createView(b.getAddress(), 10, b.getAddress(), c.getAddress());
injectView(new_view, b, c);
assertEquals("A's view is " + a.getView(), 3, a.getView().size());
assertEquals("B's view is " + b.getView(), 2, b.getView().size());
assertEquals("C's view is " + c.getView(), 2, c.getView().size());
sendAndCheckMessages(5, a, b, c);
}
public void testWithViewC() throws Exception {
// Inject view {A} into A, B and C:
View new_view = Util.createView(c.getAddress(), 10, c.getAddress());
injectView(new_view, a, b, c);
sendAndCheckMessages(5, a, b, c);
}