/* * Copyright 2007 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.google.gwt.user.client.ui; import com.google.gwt.junit.client.GWTTestCase; import com.google.gwt.user.client.DOM; import com.google.gwt.user.client.Element; /** * TODO: document me. */ public class LinearPanelTest extends GWTTestCase { public String getModuleName() { return "com.google.gwt.user.User"; } public void testHorizontalAddRemove() { HorizontalPanel hp = new HorizontalPanel(); RootPanel.get().add(hp); HTML[] stuff = new HTML[3]; stuff[0] = new HTML("foo"); stuff[1] = new HTML("bar"); stuff[2] = new HTML("baz"); // Ensure that we can add & remove cleanly. hp.add(stuff[0]); hp.add(stuff[1]); hp.add(stuff[2]); assertTrue(hp.getWidgetCount() == 3); hp.remove(stuff[1]); assertTrue(hp.getWidgetCount() == 2); assertTrue(hp.getWidget(0) == stuff[0]); assertTrue(hp.getWidget(1) == stuff[2]); // Make sure the table structure is still correct (no stuff left hanging // around). Element elem = hp.getElement(); Element body = DOM.getFirstChild(elem); Element tr = DOM.getFirstChild(body); assertTrue(DOM.getChildCount(tr) == 2); } public void testVerticalAddRemove() { VerticalPanel hp = new VerticalPanel(); RootPanel.get().add(hp); HTML[] stuff = new HTML[3]; stuff[0] = new HTML("foo"); stuff[1] = new HTML("bar"); stuff[2] = new HTML("baz"); // Ensure that we can add & remove cleanly. hp.add(stuff[0]); hp.add(stuff[1]); hp.add(stuff[2]); assertTrue(hp.getWidgetCount() == 3); hp.remove(stuff[1]); assertTrue(hp.getWidgetCount() == 2); assertTrue(hp.getWidget(0) == stuff[0]); assertTrue(hp.getWidget(1) == stuff[2]); // Make sure the table structure is still correct (no stuff left hanging // around). Element elem = hp.getElement(); Element body = DOM.getFirstChild(elem); assertTrue(DOM.getChildCount(body) == 2); } }