assertEquals(0, xTable.getRowCount());
assertEquals(0, rootTable.getRowCount());
assertEquals(0, sub1Table.getRowCount());
Iv2Sub1 root = context.newObject(Iv2Sub1.class);
Iv2X x = context.newObject(Iv2X.class);
root.setX(x);
context.commitChanges();
assertEquals(1, xTable.getRowCount());