Program: 61680
Project: 61680
Buggy source:
@Test public void test4Nodes(){
  List<String> strings=Arrays.asList(steps[0] + "String_Node_Str",steps[1] + "String_Node_Str",steps[2] + "String_Node_Str",steps[3] + "String_Node_Str");
  SpokeRings spokeRings=new SpokeRings();
  spokeRings.process(strings);
  assertTrue(spokeRings.getNodes("String_Node_Str").containsAll(Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str").containsAll(Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str").containsAll(Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str").containsAll(Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str",getTime(steps[0])).containsAll(Arrays.asList("String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str",getTime(steps[1])).containsAll(Arrays.asList("String_Node_Str","String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str",getTime(steps[2])).containsAll(Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str",getTime(steps[3])).containsAll(Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str",getTime(steps[0]),getTime(steps[3])).containsAll(Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str",getTime(steps[3]),getTime(steps[4])).containsAll(Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str")));
}

Fixed version (ground truth):
@Test public void test4Nodes(){
  List<ClusterEvent> clusterEvents=new ArrayList<>();
  clusterEvents.add(new ClusterEvent("String_Node_Str" + steps[0] + "String_Node_Str",steps[0]));
  clusterEvents.add(new ClusterEvent("String_Node_Str" + steps[1] + "String_Node_Str",steps[1]));
  clusterEvents.add(new ClusterEvent("String_Node_Str" + steps[2] + "String_Node_Str",steps[2]));
  clusterEvents.add(new ClusterEvent("String_Node_Str" + steps[3] + "String_Node_Str",steps[3]));
  SpokeRings spokeRings=new SpokeRings();
  spokeRings.process(clusterEvents);
  assertTrue(spokeRings.getNodes("String_Node_Str").containsAll(Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str").containsAll(Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str").containsAll(Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str").containsAll(Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str",getTime(steps[0])).containsAll(Arrays.asList("String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str",getTime(steps[1])).containsAll(Arrays.asList("String_Node_Str","String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str",getTime(steps[2])).containsAll(Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str",getTime(steps[3])).containsAll(Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str",getTime(steps[0]),getTime(steps[3])).containsAll(Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str")));
  assertTrue(spokeRings.getNodes("String_Node_Str",getTime(steps[3]),getTime(steps[4])).containsAll(Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str")));
}