doc = new PlainDocument();
doc.insertString(0, "1\n2\n3", null);
// 0123456789 012345678901
// 0 1 2
root = doc.getDefaultRootElement();
view = new WithChildrenView(root);
factory = new ViewTestHelpers.ChildrenFactory();
view.loadChildren(factory);
shape = new Rectangle(100, 200, 190, 560);
CompositeView_ModelViewTest.shape = shape;
}