1/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.widget.listview;
18
19import android.test.ActivityInstrumentationTestCase2;
20import android.test.UiThreadTest;
21import android.test.suitebuilder.annotation.MediumTest;
22import android.widget.ListView;
23
24/**
25 * Basic tests of setting & clearing the selection
26 */
27public class ListSetSelectionTest extends ActivityInstrumentationTestCase2<ListSimple> {
28    private ListSimple mActivity;
29    private ListView mListView;
30
31    public ListSetSelectionTest() {
32        super("com.android.frameworks.coretests", ListSimple.class);
33    }
34
35    @Override
36    protected void setUp() throws Exception {
37        super.setUp();
38
39        mActivity = getActivity();
40        mListView = getActivity().getListView();
41    }
42
43    @MediumTest
44    public void testPreconditions() {
45        assertNotNull(mActivity);
46        assertNotNull(mListView);
47    }
48
49    /** Confirm that we can set the selection to each specific position */
50    @MediumTest
51    @UiThreadTest
52    public void testSetSelection() {
53        // Set the selection to each position
54        int childCount = mListView.getChildCount();
55        for (int i=0; i<childCount; i++) {
56            mListView.setSelection(i);
57            assertEquals("Set selection", i, mListView.getSelectedItemPosition());
58        }
59    }
60
61    /** Confirm that you cannot unset the selection using the same API */
62    @MediumTest
63    @UiThreadTest
64    public void testClearSelection() {
65        // Set the selection to first position
66        mListView.setSelection(0);
67        assertEquals("Set selection", 0, mListView.getSelectedItemPosition());
68
69        // Clear the selection
70        mListView.setSelection(ListView.INVALID_POSITION);
71        assertEquals("Set selection", 0, mListView.getSelectedItemPosition());
72    }
73}
74