01: /*
02: * Copyright 2007 Google Inc.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License"); you may not
05: * use this file except in compliance with the License. You may obtain a copy of
06: * the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12: * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13: * License for the specific language governing permissions and limitations under
14: * the License.
15: */
16: package com.google.gwt.user.client.ui;
17:
18: import com.google.gwt.junit.client.GWTTestCase;
19:
20: /**
21: * Panel test.
22: * TODO: add circular containment test.
23: */
24: public class PanelTest extends GWTTestCase {
25:
26: public String getModuleName() {
27: return "com.google.gwt.user.User";
28: }
29:
30: public void testOnAttach() {
31: // Used to call onDetach when not attached.
32: Widget someWidget = new TextBox();
33: Panel panel1 = new SimplePanel(); // new and unattached
34: Panel panel2 = new SimplePanel(); // new and unattached
35: panel1.add(someWidget);
36: panel2.add(someWidget);
37:
38: // Make sure that the RootPanel does not throw an exception.
39: RootPanel.get().setParent(null);
40: RootPanel.get().setParent(null);
41: }
42: }
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