public void testReplaceCenterWidget() {
SplitLayoutPanel p = new SplitLayoutPanel();
Label l0 = new Label("foo");
Label l1 = new Label("bar");
Label l2 = new Label("baz");
// center: l1
p.addWest(l0, 64);
p.add(l1);
assertEquals(l1, p.getCenter());
// center: l2
p.remove(l1);
p.add(l2);
assertEquals(l2, p.getCenter());
}
public void testRemoveInsert() {
SplitLayoutPanel p = new SplitLayoutPanel();
WidgetCollection children = p.getChildren();
Label l0 = new Label("foo");
Label l1 = new Label("bar");
Label l2 = new Label("baz");
p.addWest(l0, 64);
p.add(l1);
assertEquals(l0, children.get(0));
assertEquals(SplitLayoutPanel.HSplitter.class, children.get(1).getClass());
assertEquals(l1, children.get(2));
p.remove(l0);
p.insertWest(l2, 64, l1);
assertEquals(l2, children.get(0));
assertEquals(SplitLayoutPanel.HSplitter.class, children.get(1).getClass());
assertEquals(l1, children.get(2));
}
public void testRemoveOutOfOrder() {
SplitLayoutPanel p = new SplitLayoutPanel();
WidgetCollection children = p.getChildren();
Label l0 = new Label("foo");
Label l1 = new Label("bar");
p.addWest(l0, 64);
p.addWest(l1, 64);
assertEquals(l0, children.get(0));
assertEquals(SplitLayoutPanel.HSplitter.class, children.get(1).getClass());
assertEquals(l1, children.get(2));
assertEquals(SplitLayoutPanel.HSplitter.class, children.get(3).getClass());
SplitLayoutPanel.HSplitter splitter0 = (SplitLayoutPanel.HSplitter) children.get(1);
// Remove the second element and make sure the correct splitter is removed.
p.remove(l1);
assertEquals(2, children.size());
assertEquals(l0, children.get(0));
assertEquals(splitter0, children.get(1));
}