!7

sinterface Bla {
  default S bla() { ret "ok"; }
}

sclass Blubb implements Bla {
}

sclass Overridden implements Bla {
  public S bla() { ret "different!"; }
}

sclass OverriddenSubclass extends Overridden {}

p-exp {
  assertEqualsVerbose("ok", call(new Blubb, "bla"));
  assertEqualsVerbose("different!", call(new Overridden, "bla"));
  assertEqualsVerbose("different!", call(new OverriddenSubclass, "bla"));
}