public void testUndoSimpleTransaction() {
Cls cls = createCls();
Slot slot1 = createSlot();
Slot slot2 = createSlot();
cls.addDirectTemplateSlot(slot1);
cls.addDirectTemplateSlot(slot2);
Instance instance = cls.createDirectInstance(null);
_frameStore.beginTransaction("simple nonsense");
_frameStore.setDirectOwnSlotValues(instance, slot1, makeList("foo1"));
_frameStore.setDirectOwnSlotValues(instance, slot2, makeList("foo2"));
_frameStore.commitTransaction();
assertEqualsList(makeList("foo1"), _frameStore.getDirectOwnSlotValues(instance, slot1));
assertEqualsList(makeList("foo2"), _frameStore.getDirectOwnSlotValues(instance, slot2));
_frameStore.undo();
assertEqualsList(makeList(), _frameStore.getDirectOwnSlotValues(instance, slot1));
assertEqualsList(makeList(), _frameStore.getDirectOwnSlotValues(instance, slot2));
_frameStore.redo();
assertEqualsList(makeList("foo1"), _frameStore.getDirectOwnSlotValues(instance, slot1));
assertEqualsList(makeList("foo2"), _frameStore.getDirectOwnSlotValues(instance, slot2));
}
