| /* |
| * Copyright 2009 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; |
| |
| /** |
| * Base tests for classes that extends {@link SimplePanel}. |
| * |
| * @param <T> the panel type |
| */ |
| public abstract class SimplePanelTestBase<T extends SimplePanel> extends |
| PanelTestBase<T> { |
| |
| public void testAddArmor() { |
| T panel = createPanel(); |
| Label l = new Label("L"); |
| Label l2 = new Label("L2"); |
| |
| panel.add(l); |
| try { |
| panel.add(l2); |
| fail("expected IllegalStateException"); |
| } catch (IllegalStateException e) { |
| /* pass */ |
| } |
| } |
| |
| public void testHasOneWidget() { |
| HasOneWidget panel = createPanel(); |
| Label l = new Label("L"); |
| Label l2 = new Label("L2"); |
| assertNull(panel.getWidget()); |
| |
| panel.setWidget(l); |
| assertEquals(l, panel.getWidget()); |
| |
| panel.setWidget(l2); |
| assertEquals(l2, panel.getWidget()); |
| |
| panel.setWidget(null); |
| assertNull(panel.getWidget()); |
| } |
| |
| public void testHasOneWidgetAsWidget() { |
| HasOneWidget panel = createPanel(); |
| IsWidgetImpl liw = new IsWidgetImpl(new Label("L")); |
| IsWidgetImpl liw2 = new IsWidgetImpl(new Label("L2")); |
| |
| assertNull(panel.getWidget()); |
| |
| panel.setWidget(liw); |
| assertSame(liw.w, panel.getWidget()); |
| |
| panel.setWidget(liw2); |
| assertSame(liw2.w, panel.getWidget()); |
| |
| panel.setWidget(null); |
| assertNull(panel.getWidget()); |
| } |
| |
| public void testRemoveAndClear() { |
| T panel = createPanel(); |
| Label l = new Label("L"); |
| panel.setWidget(l); |
| panel.remove(l); |
| assertNull(panel.getWidget()); |
| |
| panel.setWidget(l); |
| assertEquals(l, panel.getWidget()); |
| |
| panel.clear(); |
| assertNull(panel.getWidget()); |
| } |
| |
| @Override |
| protected boolean supportsMultipleWidgets() { |
| return false; |
| } |
| } |