public void testUndoDeleteCls() {
Cls clsA = createCls();
Cls clsB = createCls();
Cls clsA1 = createCls(clsA);
Cls clsB1 = createCls(clsB);
Cls clsAB2 = createCls(clsA1);
_frameStore.addDirectSuperclass(clsAB2, clsB1);
Cls clsAB3 = createCls(clsAB2);
int count = _frameStore.getFrames().size();
_frameStore.deleteCls(clsAB3);
int newCount = _frameStore.getFrames().size();
assertEquals("first count", count - 1, newCount);
_frameStore.undo();
newCount = _frameStore.getFrames().size();
assertEquals("second count", count, newCount);
_frameStore.redo();
newCount = _frameStore.getFrames().size();
assertEquals("third count", count - 1, newCount);
_frameStore.undo();
newCount = _frameStore.getFrames().size();
assertEquals("forth count", count, newCount);
String clsAName = _frameStore.getFrameName(clsA);
_frameStore.deleteCls(clsA1);
_frameStore.deleteCls(clsA);
newCount = _frameStore.getFrames().size();
assertEquals("fifth count", count - 2, newCount);
_frameStore.undo();
_frameStore.undo();
newCount = _frameStore.getFrames().size();
assertEquals("sixth count", count, newCount);
Frame frame = _frameStore.getFrame(clsAName);
assertNotNull("clsA", frame);
}
