/*
* Copyright 2010 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.user.client.ui.SuggestBox.DefaultSuggestionDisplay;
import com.google.gwt.user.client.ui.SuggestOracle.Suggestion;
import java.util.List;
/**
* Tests for {@link DefaultSuggestionDisplay}.
*/
public class DefaultSuggestionDisplayTest extends SuggestionDisplayTestBase {
public void testAccessors() {
SuggestBox box = createSuggestBox();
DefaultSuggestionDisplay display = (DefaultSuggestionDisplay) box.getSuggestionDisplay();
PopupPanel popup = display.getPopupPanel();
// isAnimationEnabled.
assertFalse(display.isAnimationEnabled());
assertFalse(popup.isAnimationEnabled());
display.setAnimationEnabled(true);
assertTrue(display.isAnimationEnabled());
assertTrue(popup.isAnimationEnabled());
// isSuggestListShowing.
List<Suggestion> suggestions = createSuggestions("test0", "test1", "test2");
assertFalse(display.isSuggestionListShowing());
assertFalse(popup.isShowing());
display.showSuggestions(box, suggestions, false, false, NULL_CALLBACK);
assertTrue(display.isSuggestionListShowing());
assertTrue(popup.isShowing());
display.hideSuggestions();
assertFalse(display.isSuggestionListShowing());
assertFalse(popup.isShowing());
}
public void testGetCurrentSelectionWhenHidden() {
SuggestBox box = createSuggestBox();
DefaultSuggestionDisplay display = (DefaultSuggestionDisplay) box.getSuggestionDisplay();
// Show the suggestions and select the first item.
List<Suggestion> suggestions = createSuggestions("test0", "test1", "test2");
display.showSuggestions(box, suggestions, false, true, NULL_CALLBACK);
assertTrue(display.isSuggestionListShowing());
assertEquals(suggestions.get(0), display.getCurrentSelection());
// Hide the list and ensure that nothing is selected.
display.hideSuggestions();
assertNull(display.getCurrentSelection());
}
public void testShowSuggestionsEmpty() {
SuggestBox box = createSuggestBox();
DefaultSuggestionDisplay display = (DefaultSuggestionDisplay) box.getSuggestionDisplay();
// Show null suggestions.
display.showSuggestions(box, null, false, true, NULL_CALLBACK);
assertFalse(display.isSuggestionListShowing());
// Show empty suggestions.
List<Suggestion> suggestions = createSuggestions();
display.showSuggestions(box, suggestions, false, true, NULL_CALLBACK);
assertFalse(display.isSuggestionListShowing());
}
@Override
protected DefaultSuggestionDisplay createSuggestionDisplay() {
return new DefaultSuggestionDisplay();
}
}