| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * 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 android.widget.cts; |
| |
| import android.database.DataSetObserver; |
| import android.test.InstrumentationTestCase; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.BaseExpandableListAdapter; |
| |
| /** |
| * Test {@link BaseExpandableListAdapter}. |
| */ |
| public class BaseExpandableListAdapterTest extends InstrumentationTestCase { |
| public void testAreAllItemsEnabled() { |
| MockBaseExpandableListAdapter adapter = new MockBaseExpandableListAdapter(); |
| assertTrue(adapter.areAllItemsEnabled()); |
| } |
| |
| public void testGetCombinedId() { |
| MockBaseExpandableListAdapter adapter = new MockBaseExpandableListAdapter(); |
| |
| long childID = adapter.getCombinedChildId(10, 100); |
| long groupID = adapter.getCombinedGroupId(10); |
| |
| // there should be no clash in group and child IDs |
| assertTrue(childID != groupID); |
| |
| childID = adapter.getCombinedChildId(0, 0); |
| groupID = adapter.getCombinedGroupId(0); |
| assertTrue(childID != groupID); |
| } |
| |
| public void testIsEmpty() { |
| MockBaseExpandableListAdapter adapter = new MockBaseExpandableListAdapter(); |
| assertTrue(adapter.isEmpty()); |
| adapter.setGroupCount(10); |
| assertFalse(adapter.isEmpty()); |
| } |
| |
| public void testNotifyDataSetChanged() { |
| MockBaseExpandableListAdapter adapter = new MockBaseExpandableListAdapter(); |
| MockDataSetObserver dataSetObserver = new MockDataSetObserver(); |
| adapter.registerDataSetObserver(dataSetObserver); |
| |
| assertFalse(dataSetObserver.hasCalledOnChanged()); |
| adapter.notifyDataSetChanged(); |
| assertTrue(dataSetObserver.hasCalledOnChanged()); |
| } |
| |
| public void testNotifyDataSetInvalidated() { |
| MockBaseExpandableListAdapter adapter = new MockBaseExpandableListAdapter(); |
| MockDataSetObserver dataSetObserver = new MockDataSetObserver(); |
| adapter.registerDataSetObserver(dataSetObserver); |
| |
| assertFalse(dataSetObserver.hasCalledOnInvalidated()); |
| adapter.notifyDataSetInvalidated(); |
| assertTrue(dataSetObserver.hasCalledOnInvalidated()); |
| } |
| |
| public void testOnGroupCollapsed() { |
| MockBaseExpandableListAdapter adapter = new MockBaseExpandableListAdapter(); |
| // this function is non-operation. |
| adapter.onGroupCollapsed(0); |
| } |
| |
| public void testOnGroupExpanded() { |
| MockBaseExpandableListAdapter adapter = new MockBaseExpandableListAdapter(); |
| // this function is non-operation. |
| adapter.onGroupExpanded(0); |
| } |
| |
| public void testDataSetObserver() { |
| MockBaseExpandableListAdapter adapter = new MockBaseExpandableListAdapter(); |
| MockDataSetObserver dataSetObserver = new MockDataSetObserver(); |
| adapter.registerDataSetObserver(dataSetObserver); |
| |
| assertFalse(dataSetObserver.hasCalledOnChanged()); |
| adapter.notifyDataSetChanged(); |
| assertTrue(dataSetObserver.hasCalledOnChanged()); |
| |
| dataSetObserver.reset(); |
| assertFalse(dataSetObserver.hasCalledOnChanged()); |
| adapter.unregisterDataSetObserver(dataSetObserver); |
| adapter.notifyDataSetChanged(); |
| assertFalse(dataSetObserver.hasCalledOnChanged()); |
| } |
| |
| private class MockDataSetObserver extends DataSetObserver { |
| private boolean mCalledOnChanged = false; |
| private boolean mCalledOnInvalidated = false; |
| |
| @Override |
| public void onChanged() { |
| super.onChanged(); |
| mCalledOnChanged = true; |
| } |
| |
| public boolean hasCalledOnChanged() { |
| return mCalledOnChanged; |
| } |
| |
| @Override |
| public void onInvalidated() { |
| super.onInvalidated(); |
| mCalledOnInvalidated = true; |
| } |
| |
| public boolean hasCalledOnInvalidated() { |
| return mCalledOnInvalidated; |
| } |
| |
| public void reset() { |
| mCalledOnChanged = false; |
| } |
| } |
| |
| private class MockBaseExpandableListAdapter extends BaseExpandableListAdapter { |
| private int mGroupCount; |
| |
| public Object getChild(int groupPosition, int childPosition) { |
| return null; |
| } |
| |
| public long getChildId(int groupPosition, int childPosition) { |
| return 0; |
| } |
| |
| public View getChildView(int groupPosition, int childPosition, |
| boolean isLastChild, View convertView, ViewGroup parent) { |
| return null; |
| } |
| |
| public int getChildrenCount(int groupPosition) { |
| return 0; |
| } |
| |
| public Object getGroup(int groupPosition) { |
| return null; |
| } |
| |
| public int getGroupCount() { |
| return mGroupCount; |
| } |
| |
| public void setGroupCount(int count) { |
| mGroupCount = count; |
| } |
| |
| public long getGroupId(int groupPosition) { |
| return 0; |
| } |
| |
| public View getGroupView(int groupPosition, boolean isExpanded, |
| View convertView, ViewGroup parent) { |
| return null; |
| } |
| |
| public boolean hasStableIds() { |
| return false; |
| } |
| |
| public boolean isChildSelectable(int groupPosition, int childPosition) { |
| return false; |
| } |
| } |
| } |