2 * Copyright (C) 2007 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package android.widget.listview;
19 import android.app.Instrumentation;
20 import android.test.ActivityInstrumentationTestCase;
21 import android.test.suitebuilder.annotation.LargeTest;
22 import android.test.suitebuilder.annotation.MediumTest;
23 import android.view.KeyEvent;
24 import android.widget.AbsListView;
25 import android.widget.ListView;
27 import android.test.TouchUtils;
29 public class ListScrollListenerTest extends ActivityInstrumentationTestCase<ListScrollListener> implements
30 AbsListView.OnScrollListener {
31 private ListScrollListener mActivity;
32 private ListView mListView;
33 private int mFirstVisibleItem = -1;
34 private int mVisibleItemCount = -1;
35 private int mTotalItemCount = -1;
37 public ListScrollListenerTest() {
38 super("com.android.frameworks.coretests", ListScrollListener.class);
42 protected void setUp() throws Exception {
45 mActivity = getActivity();
46 mListView = getActivity().getListView();
47 mListView.setOnScrollListener(this);
51 public void testPreconditions() {
52 assertNotNull(mActivity);
53 assertNotNull(mListView);
55 assertEquals(0, mFirstVisibleItem);
59 public void testKeyScrolling() {
60 Instrumentation inst = getInstrumentation();
62 int firstVisibleItem = mFirstVisibleItem;
63 for (int i = 0; i < mVisibleItemCount * 2; i++) {
64 inst.sendCharacterSync(KeyEvent.KEYCODE_DPAD_DOWN);
66 inst.waitForIdleSync();
67 assertTrue("Arrow scroll did not happen", mFirstVisibleItem > firstVisibleItem);
69 firstVisibleItem = mFirstVisibleItem;
70 inst.sendCharacterSync(KeyEvent.KEYCODE_SPACE);
71 inst.waitForIdleSync();
72 assertTrue("Page scroll did not happen", mFirstVisibleItem > firstVisibleItem);
74 firstVisibleItem = mFirstVisibleItem;
75 KeyEvent down = new KeyEvent(0, 0, KeyEvent.ACTION_DOWN,
76 KeyEvent.KEYCODE_DPAD_DOWN, 0, KeyEvent.META_ALT_ON);
77 KeyEvent up = new KeyEvent(0, 0, KeyEvent.ACTION_UP,
78 KeyEvent.KEYCODE_DPAD_DOWN, 0, KeyEvent.META_ALT_ON);
79 inst.sendKeySync(down);
81 inst.waitForIdleSync();
83 assertTrue("Full scroll did not happen", mFirstVisibleItem > firstVisibleItem);
84 assertEquals("Full scroll did not happen", mTotalItemCount,
85 mFirstVisibleItem + mVisibleItemCount);
89 public void testTouchScrolling() {
90 int firstVisibleItem = mFirstVisibleItem;
91 TouchUtils.dragQuarterScreenUp(this);
92 TouchUtils.dragQuarterScreenUp(this);
93 assertTrue("Touch scroll did not happen", mFirstVisibleItem > firstVisibleItem);
97 public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
98 mFirstVisibleItem = firstVisibleItem;
99 mVisibleItemCount = visibleItemCount;
100 mTotalItemCount = totalItemCount;
103 public void onScrollStateChanged(AbsListView view, int scrollState) {