static void tests(void)
{
    CFErrorRef error = NULL;
    CFDataRef cfpassword = CFDataCreate(NULL, (uint8_t *) "FooFooFoo", 10);
    CFStringRef cfaccount = CFSTR("*****@*****.**");
    
    CFMutableDictionaryRef changes = CFDictionaryCreateMutableForCFTypes(kCFAllocatorDefault);
    SOSAccountRef alice_account = CreateAccountForLocalChanges(CFSTR("Alice"), CFSTR("TestSource"));
    SOSAccountRef bob_account = CreateAccountForLocalChanges(CFSTR("Bob"), CFSTR("TestSource"));
    SOSAccountRef carole_account = CreateAccountForLocalChanges(CFSTR("Carol"), CFSTR("TestSource"));
    
    ok(SOSAccountAssertUserCredentialsAndUpdate(bob_account, cfaccount, cfpassword, &error), "Credential setting (%@)", error);
    
    // Bob wins writing at this point, feed the changes back to alice.
    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, NULL), 1, "updates");
    
    ok(SOSAccountAssertUserCredentialsAndUpdate(alice_account, cfaccount, cfpassword, &error), "Credential setting (%@)", error);
    CFReleaseNull(error);
    
    ok(SOSAccountResetToOffering_wTxn(alice_account, &error), "Reset to offering (%@)", error);
    CFReleaseNull(error);
    
    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, NULL), 2, "updates");
    
    ok(SOSAccountJoinCircles_wTxn(bob_account, &error), "Bob Applies (%@)", error);
    CFReleaseNull(error);
    
    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, NULL), 2, "updates");
    
    ok(SOSTestAcceptApplicant(alice_account, 1, &error), "Alice Accepts");
    
    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, NULL), 3, "updates");
    
    accounts_agree("bob&alice pair", bob_account, alice_account);

    ok(SOSAccountLeaveCircle(alice_account, &error));
    CFReleaseNull(error);

    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, NULL), 2, "updates");

    ok(SOSAccountAssertUserCredentialsAndUpdate(carole_account, cfaccount, cfpassword, &error), "Credential setting (%@)", error);
    CFReleaseNull(cfpassword);
    
    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, NULL), 1, "updates");

    SOSAccountTransactionRef txn = SOSAccountTransactionCreate(carole_account);

    SOSPeerInfoRef carole_pi = SOSAccountCopyApplication(carole_account, &error);
    ok(carole_pi != NULL, "Got Carole's Application PeerInfo");
    CFReleaseNull(error);

    SOSAccountTransactionFinish(txn);
    CFReleaseNull(txn);

    SOSAccountPurgePrivateCredential(bob_account);

    CFDataRef bobBlob = SOSAccountCopyCircleJoiningBlob(bob_account, carole_pi, &error);
    ok(bobBlob != NULL, "Got Piggy Back Blob from Bob");
    CFReleaseNull(error);
    
    ok(SOSAccountJoinWithCircleJoiningBlob(carole_account, bobBlob, &error), "Carole joins circle through piggy backing: %@", error);
    CFReleaseNull(error);
    CFReleaseNull(bobBlob);
    
    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, NULL), 2, "Settle Circle");
    
    ok(!SOSAccountIsInCircle(alice_account, NULL), "Alice still retired");
    ok(SOSAccountIsInCircle(bob_account, NULL), "Bob still here");
    ok(SOSAccountIsInCircle(carole_account, NULL), "carol still here");

    ok(!SOSAccountCheckHasBeenInSync_wTxn(carole_account), "Carol not in sync");
    
    CFReleaseNull(bob_account);
    CFReleaseNull(alice_account);
    CFReleaseNull(carole_account);
    
    SOSTestCleanup();
}
static void tests(void)
{
    CFErrorRef error = NULL;
    CFDataRef cfpassword = CFDataCreate(NULL, kAccountPasswordString, kAccountPasswordStringLen);
    CFStringRef cfaccount = CFSTR("*****@*****.**");

    CFMutableDictionaryRef changes = CFDictionaryCreateMutableForCFTypes(kCFAllocatorDefault);

    SOSAccountRef alice_account = CreateAccountForLocalChanges(CFSTR("Alice"), CFSTR("TestSource"));
    SOSAccountRef bob_account = CreateAccountForLocalChanges(CFSTR("Bob"), CFSTR("TestSource"));
    SOSAccountRef carole_account = CreateAccountForLocalChanges(CFSTR("Carole"), CFSTR("TestSource"));
    SOSAccountRef david_account = CreateAccountForLocalChanges(CFSTR("David"), CFSTR("TestSource"));
    
    ok(SOSAccountAssertUserCredentialsAndUpdate(bob_account, cfaccount, cfpassword, &error), "Credential setting (%@)", error);
    
    // Bob wins writing at this point, feed the changes back to alice.
    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, david_account, NULL), 1, "updates");

    ok(SOSAccountAssertUserCredentialsAndUpdate(alice_account, cfaccount, cfpassword, &error), "Credential setting (%@)", error);
    CFReleaseNull(error);
    
    ok(SOSAccountAssertUserCredentialsAndUpdate(carole_account, cfaccount, cfpassword, &error), "Credential setting (%@)", error);
    CFReleaseNull(error);
    
    ok(SOSAccountAssertUserCredentialsAndUpdate(david_account, cfaccount, cfpassword, &error), "Credential setting (%@)", error);
    CFReleaseNull(cfpassword);
    CFReleaseNull(error);
    
    ok(SOSAccountResetToOffering_wTxn(alice_account, &error), "Reset to offering (%@)", error);
    CFReleaseNull(error);
    
    // Lost Application Scenario
    is(ProcessChangesOnce(changes, alice_account, bob_account, carole_account, david_account, NULL), 1, "updates");

    ok(SOSAccountJoinCircles_wTxn(bob_account, &error), "Bob Applies (%@)", error);
    CFReleaseNull(error);
    
    ok(SOSAccountJoinCircles_wTxn(carole_account, &error), "Carole Applies too (%@)", error);
    CFReleaseNull(error);
    
    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, david_account, NULL), 3, "updates");
    
    accounts_agree("alice and carole agree", alice_account, carole_account);
    accounts_agree("alice and bob agree", alice_account, bob_account);
    
    {
        CFArrayRef applicants = SOSAccountCopyApplicants(alice_account, &error);
        
        ok(applicants && CFArrayGetCount(applicants) == 2, "See two applicants %@ (%@)", applicants, error);
        CFReleaseNull(error);
        CFReleaseSafe(applicants);
    }
    
    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, david_account, NULL), 1, "updates");

    accounts_agree("alice and carole agree", alice_account, carole_account);

    CFReleaseNull(error);
    
    {
        CFArrayRef applicants = SOSAccountCopyApplicants(alice_account, &error);
        ok(applicants && CFArrayGetCount(applicants) == 2, "See two applicants %@ (%@)", applicants, error);
        ok(SOSAccountRejectApplicants(alice_account, applicants, &error), "Everyone out the pool");
        CFReleaseNull(error);
        CFReleaseSafe(applicants);
    }

    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, david_account, NULL), 2, "updates");

    accounts_agree("alice and carole agree", alice_account, carole_account);

    {
        CFArrayRef applicants = SOSAccountCopyApplicants(alice_account, &error);
        ok(applicants && CFArrayGetCount(applicants) == 0, "See no applicants %@ (%@)", applicants, error);
        CFReleaseNull(error);
        CFReleaseSafe(applicants);
    }
    
    ok(SOSAccountLeaveCircle(carole_account, &error), "Carole bails (%@)", error);
    CFReleaseNull(error);

    // Everyone but bob sees that carole bails.
    is(ProcessChangesUntilNoChange(changes, alice_account, carole_account, david_account, NULL), 1, "updates");


    // Bob reapplies, but it's to an old circle.
    ok(SOSAccountJoinCircles_wTxn(bob_account, &error), "Bob asks again");
    CFReleaseNull(error);

    // Bob returns and we mix our split worlds up.
    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, david_account, NULL), 2, "updates");

    {
        CFArrayRef applicants = SOSAccountCopyApplicants(alice_account, &error);
        ok(applicants && CFArrayGetCount(applicants) == 1, "See one applicants %@ (%@)", applicants, error);
        CFReleaseNull(error);
        ok(SOSAccountAcceptApplicants(alice_account, applicants, &error), "Accept bob into the fold");
        CFReleaseNull(error);
        CFReleaseSafe(applicants);
    }

    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, david_account, NULL), 3, "updates");

    is(countPeers(bob_account), 2, "Bob sees 2 valid peers after admission from re-apply");

    accounts_agree("alice and bob agree", alice_account, bob_account);
    accounts_agree_internal("alice and carole agree", alice_account, carole_account, false);


    // Rejected Application Scenario
    ok(SOSAccountJoinCircles_wTxn(david_account, &error), "Dave Applies (%@)", error);
    CFReleaseNull(error);

    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, david_account, NULL), 2, "updates");

    accounts_agree_internal("alice and david agree", alice_account, david_account, false);

    SOSAccountPurgePrivateCredential(alice_account);

    {
        CFArrayRef applicants = SOSAccountCopyApplicants(alice_account, &error);

        ok(applicants && CFArrayGetCount(applicants) == 1, "See one applicant %@ (%@)", applicants, error);
        ok(SOSAccountRejectApplicants(alice_account, applicants, &error), "Alice rejects (%@)", error);
        CFReleaseNull(error);
        CFReleaseNull(applicants);
    }

    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, david_account, NULL), 2, "updates");

    accounts_agree_internal("alice and carole still agree after david is rejected", alice_account, carole_account, false);

    cfpassword = CFDataCreate(NULL, kAccountPasswordString, kAccountPasswordStringLen);

    ok(SOSAccountTryUserCredentials(alice_account, cfaccount, cfpassword, &error), "Credential setting (%@)", error);
    CFReleaseNull(error);
    CFReleaseNull(cfpassword);

    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, david_account, NULL), 1, "updates");

    accounts_agree("bob&alice pair", bob_account, alice_account);

    ok(SOSAccountJoinCirclesAfterRestore_wTxn(carole_account, &error), "Carole cloud identiy joins (%@)", error);
    CFReleaseNull(error);

    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, david_account, NULL), 4, "updates");

    accounts_agree_internal("carole&alice pair", carole_account, alice_account, false);

    is(countPeers(carole_account), 3, "Carole sees 3 valid peers after sliding in");

    CFReleaseNull(bob_account);
    CFReleaseNull(alice_account);
    CFReleaseNull(carole_account);
    CFReleaseNull(david_account);
    
    SOSTestCleanup();
}
static void tests(void)
{
    CFErrorRef error = NULL;
    CFDataRef cfpassword = CFDataCreate(NULL, (uint8_t *) "FooFooFoo", 10);
    CFStringRef cfaccount = CFSTR("*****@*****.**");

    CFMutableDictionaryRef changes = CFDictionaryCreateMutableForCFTypes(kCFAllocatorDefault);

    SOSAccountRef alice_account = CreateAccountForLocalChanges(CFSTR("Alice"), CFSTR("TestSource"));
    SOSAccountRef bob_account = CreateAccountForLocalChanges(CFSTR("Bob"), CFSTR("TestSource"));
    SOSAccountRef carole_account = CreateAccountForLocalChanges(CFSTR("Carole"), CFSTR("TestSource"));
    SOSAccountRef david_account = CreateAccountForLocalChanges(CFSTR("David"), CFSTR("TestSource"));
    
    ok(SOSAccountAssertUserCredentials(bob_account, cfaccount, cfpassword, &error), "Credential setting (%@)", error);
    
    // Bob wins writing at this point, feed the changes back to alice.
    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, david_account, NULL), 1, "updates");

    ok(SOSAccountAssertUserCredentials(alice_account, cfaccount, cfpassword, &error), "Credential setting (%@)", error);
    CFReleaseNull(error);
    
    ok(SOSAccountAssertUserCredentials(carole_account, cfaccount, cfpassword, &error), "Credential setting (%@)", error);
    CFReleaseNull(error);
    
    ok(SOSAccountAssertUserCredentials(david_account, cfaccount, cfpassword, &error), "Credential setting (%@)", error);
    CFReleaseNull(cfpassword);
    CFReleaseNull(error);
    
    ok(SOSAccountResetToOffering(alice_account, &error), "Reset to offering (%@)", error);
    CFReleaseNull(error);
    
    // Lost Application Scenario
    is(ProcessChangesOnce(changes, alice_account, bob_account, carole_account, david_account, NULL), 1, "updates");

    ok(SOSAccountJoinCircles(bob_account, &error), "Bob Applies (%@)", error);
    CFReleaseNull(error);
    
    ok(SOSAccountJoinCircles(carole_account, &error), "Carole Applies too (%@)", error);
    CFReleaseNull(error);
    
    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, david_account, NULL), 3, "updates");
    
    accounts_agree("alice and carole agree", alice_account, carole_account);
    accounts_agree("alice and bob agree", alice_account, bob_account);
    
    {
        CFArrayRef applicants = SOSAccountCopyApplicants(alice_account, &error);
        
        ok(applicants && CFArrayGetCount(applicants) == 2, "See two applicants %@ (%@)", applicants, error);
        CFReleaseNull(error);
        CFReleaseSafe(applicants);
    }
    
    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, david_account, NULL), 1, "updates");

    accounts_agree("alice and carole agree", alice_account, carole_account);

    CFReleaseNull(error);
    
    {
        CFArrayRef applicants = SOSAccountCopyApplicants(alice_account, &error);
        ok(applicants && CFArrayGetCount(applicants) == 2, "See two applicants %@ (%@)", applicants, error);
        ok(SOSAccountRejectApplicants(alice_account, applicants, &error), "Everyone out the pool");
        CFReleaseNull(error);
        CFReleaseSafe(applicants);
    }

    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, david_account, NULL), 2, "updates");

    accounts_agree("alice and carole agree", alice_account, carole_account);

    {
        CFArrayRef applicants = SOSAccountCopyApplicants(alice_account, &error);
        ok(applicants && CFArrayGetCount(applicants) == 0, "See no applicants %@ (%@)", applicants, error);
        CFReleaseNull(error);
        CFReleaseSafe(applicants);
    }
    
    ok(SOSAccountJoinCircles(bob_account, &error), "Bob asks again");
    CFReleaseNull(error);

    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, david_account, NULL), 2, "updates");

    {
        CFArrayRef applicants = SOSAccountCopyApplicants(alice_account, &error);
        ok(applicants && CFArrayGetCount(applicants) == 1, "See one applicants %@ (%@)", applicants, error);
        CFReleaseNull(error);
        ok(SOSAccountAcceptApplicants(alice_account, applicants, &error), "Accept bob into the fold");
        CFReleaseNull(error);
        CFReleaseSafe(applicants);
    }

    is(ProcessChangesUntilNoChange(changes, alice_account, bob_account, carole_account, david_account, NULL), 3, "updates");

#if 0
    
    {
        CFArrayRef applicants = SOSAccountCopyApplicants(alice_account, &error);
        
        ok(applicants && CFArrayGetCount(applicants) == 1, "Bob automatically re-applied %@ (%@)", applicants, error);
        ok(SOSAccountAcceptApplicants(alice_account, applicants, &error), "Alice accepts (%@)", error);
        CFReleaseNull(error);
        CFReleaseNull(applicants);
    }
    
    is(countPeers(alice_account, 0), 3, "Bob is accepted after auto-reapply");
    
    FillAllChanges(changes);
    FeedChangesToMulti(AliceChanges, bob_account, carole_account, david_account, NULL);
    FeedChangesToMulti(BobChanges, alice_account, carole_account, david_account, NULL);
    FeedChangesToMulti(CarolChanges, bob_account, alice_account, david_account, NULL);
    FeedChangesToMulti(DavidChanges, bob_account, alice_account, carole_account, NULL);
    
    FillAllChanges(changes);
    FeedChangesToMulti(AliceChanges, bob_account, carole_account, david_account, NULL);
    FeedChangesToMulti(BobChanges, alice_account, carole_account, david_account, NULL);
    FeedChangesToMulti(CarolChanges, bob_account, alice_account, david_account, NULL);
    FeedChangesToMulti(DavidChanges, bob_account, alice_account, carole_account, NULL);
    
    FillAllChanges(changes);
    FeedChangesToMulti(AliceChanges, bob_account, carole_account, david_account, NULL);
    FeedChangesToMulti(BobChanges, alice_account, carole_account, david_account, NULL);
    FeedChangesToMulti(CarolChanges, bob_account, alice_account, david_account, NULL);
    FeedChangesToMulti(DavidChanges, bob_account, alice_account, carole_account, NULL);
    accounts_agree("alice and carole agree after bob gets in", alice_account, carole_account);
    
    // Rejected Application Scenario
    ok(SOSAccountJoinCircles(david_account, &error), "Dave Applies (%@)", error);
    CFReleaseNull(error);
    
    FillAllChanges(changes);
    FeedChangesToMulti(AliceChanges, bob_account, carole_account, david_account, NULL);
    FeedChangesToMulti(BobChanges, alice_account, carole_account, david_account, NULL);
    FeedChangesToMulti(CarolChanges, bob_account, alice_account, david_account, NULL);
    FeedChangesToMulti(DavidChanges, bob_account, alice_account, carole_account, NULL);
    
    SOSAccountPurgePrivateCredential(alice_account);
    
    {
        CFArrayRef applicants = SOSAccountCopyApplicants(alice_account, &error);
        
        ok(applicants && CFArrayGetCount(applicants) == 1, "See one applicant %@ (%@)", applicants, error);
        ok(SOSAccountRejectApplicants(alice_account, applicants, &error), "Alice rejects (%@)", error);
        CFReleaseNull(error);
        CFReleaseNull(applicants);
    }
    
    FillAllChanges(changes);
    FeedChangesToMulti(AliceChanges, bob_account, carole_account, david_account, NULL);
    FeedChangesToMulti(BobChanges, alice_account, carole_account, david_account, NULL);
    FeedChangesToMulti(CarolChanges, bob_account, alice_account, david_account, NULL);
    FeedChangesToMulti(DavidChanges, bob_account, alice_account, carole_account, NULL);
    
    FillAllChanges(changes);
    FeedChangesToMulti(AliceChanges, bob_account, carole_account, david_account, NULL);
    FeedChangesToMulti(BobChanges, alice_account, carole_account, david_account, NULL);
    FeedChangesToMulti(CarolChanges, bob_account, alice_account, david_account, NULL);
    FeedChangesToMulti(DavidChanges, bob_account, alice_account, carole_account, NULL);
    
    FillAllChanges(changes);
    FeedChangesToMulti(AliceChanges, bob_account, carole_account, david_account, NULL);
    FeedChangesToMulti(BobChanges, alice_account, carole_account, david_account, NULL);
    FeedChangesToMulti(CarolChanges, bob_account, alice_account, david_account, NULL);
    FeedChangesToMulti(DavidChanges, bob_account, alice_account, carole_account, NULL);
    
    accounts_agree("alice and carole still agree after david is rejected", alice_account, carole_account);
    ok(SOSAccountTryUserCredentials(alice_account, cfaccount, cfpassword, &error), "Credential setting (%@)", error);
    CFReleaseNull(error);
    
    FillAllChanges(changes);
    FeedChangesToMulti(AliceChanges, bob_account, carole_account, david_account, NULL);
    FeedChangesToMulti(BobChanges, alice_account, carole_account, david_account, NULL);
    FeedChangesToMulti(CarolChanges, bob_account, alice_account, david_account, NULL);
    FeedChangesToMulti(DavidChanges, bob_account, alice_account, carole_account, NULL);
    
    FillAllChanges(changes);
    
    ok(CFDictionaryGetCount(CarolChanges) == 0, "We converged. (%@)", CarolChanges);
    ok(CFDictionaryGetCount(BobChanges) == 0, "We converged. (%@)", BobChanges);
    ok(CFDictionaryGetCount(AliceChanges) == 0, "We converged. (%@)", AliceChanges);
    ok(CFDictionaryGetCount(DavidChanges) == 0, "We converged. (%@)", DavidChanges);
    
    accounts_agree("bob&alice pair", bob_account, alice_account);
    
    ok(SOSAccountJoinCirclesAfterRestore(carole_account, &error), "Carole cloud identiy joins (%@)", error);
    CFReleaseNull(error);
    
    is(countPeers(carole_account, false), 3, "Carole sees 3 valid peers after sliding in");
    
    FillAllChanges(changes);
    FeedChangesToMulti(AliceChanges, bob_account, carole_account, david_account, NULL);
    FeedChangesToMulti(BobChanges, alice_account, carole_account, david_account, NULL);
    FeedChangesToMulti(CarolChanges, bob_account, alice_account, david_account, NULL);
    FeedChangesToMulti(DavidChanges, bob_account, alice_account, carole_account, NULL);
    
    FillAllChanges(changes);
    FeedChangesToMulti(AliceChanges, bob_account, carole_account, david_account, NULL);
    FeedChangesToMulti(BobChanges, alice_account, carole_account, david_account, NULL);
    FeedChangesToMulti(CarolChanges, bob_account, alice_account, david_account, NULL);
    FeedChangesToMulti(DavidChanges, bob_account, alice_account, carole_account, NULL);
    
    FillAllChanges(changes);
    FeedChangesToMulti(AliceChanges, bob_account, carole_account, david_account, NULL);
    FeedChangesToMulti(BobChanges, alice_account, carole_account, david_account, NULL);
    FeedChangesToMulti(CarolChanges, bob_account, alice_account, david_account, NULL);
    FeedChangesToMulti(DavidChanges, bob_account, alice_account, carole_account, NULL); // Bob and carole see the final result.
    
    accounts_agree_internal("Carole's in", bob_account, alice_account, false);
    accounts_agree_internal("Carole's in - 2", bob_account, carole_account, false);
#endif
    CFReleaseNull(bob_account);
    CFReleaseNull(alice_account);
    CFReleaseNull(carole_account);
    
    SOSUnregisterAllTransportMessages();
    SOSUnregisterAllTransportCircles();
    SOSUnregisterAllTransportKeyParameters();
    CFArrayRemoveAllValues(key_transports);
    CFArrayRemoveAllValues(circle_transports);
    CFArrayRemoveAllValues(message_transports);
    
}