!include once #1027630 // Msg

cmodule NewEngineSpike > DynPrintLog {
  L<Msg> msgs;
  transient new NewEngine engine;

  start-thread {
    if (empty(msgs))
      setField(msgs := mainCruddieLog());
    print("Have " + nMessages(msgs));
    pnlStruct(takeFirst(2, msgs));
    L<Msg> msgs2 = whereFieldIsTrue fromUser(msgs);
    Msg wrongMsg = get(msgs2, 5);
    for (Msg msg : takeFirst(5, msgs2))
      engine.addFormattedFact("* was understood correctly", msg);
    engine.addFormattedFact("* is a wrong recognition", wrongMsg);

    engine.addLogicRule(new BasicLogicRule(
      ll(SymVar("$x"), Fragment("is a wrong recognition")),
      ll(SymVar("$x"), Fragment("should be corrected"))));
    engine.addLogicRule(new BasicLogicRule(
      ll("$x", Fragment("should be corrected")),
      ll("$x", Fragment("is a wrong recognition"))));

    engine.think();
    
    L facts = engine.factsInOrderOfDefinition();
    assertContains(facts, formatWithFragments("* should be corrected", wrongMsg));
    assertDoesntContain(facts, formatWithFragments("* should be corrected", first(msgs2)));
    print("OK");
  }
}

Began life as a copy of #1027758