protected void performTestsWithGraphs(FCAGraph[] graphs) {
ToyClock clock = new ToyClock();
Store store = getStoreImpl(clock);
Source source = new SourceImpl("http://example.org/graph-source");
TimedGraphSequence tgs = TimedGraphSequence
.getSequenceWithRandomDates(graphs);
for (int i = 0; i < tgs.getSize(); i++) {
clock.setTime(tgs.getDate(i));
store.updateGraph(source, tgs.getGraph(i));
}
assertTrue(compareAllVersions(store, source, tgs));
assertTrue(compareVersionAtRandomDate(store, source, tgs));
// do the same again with new store instance
try {