GridScrollListenerTest.java revision 1d3165f10b12165f02b7015ac1a817c5f60e6399 
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.gridview;
18
19import android.app.Instrumentation;
20import android.test.ActivityInstrumentationTestCase;
21import android.test.suitebuilder.annotation.LargeTest;
22import android.test.suitebuilder.annotation.MediumTest;
23import android.test.TouchUtils;
24import android.view.KeyEvent;
25import android.widget.AbsListView;
26import android.widget.GridView;
27
28import android.widget.gridview.GridScrollListener;
29
30public class GridScrollListenerTest extends ActivityInstrumentationTestCase<GridScrollListener> implements
31        AbsListView.OnScrollListener {
32    private GridScrollListener mActivity;
33    private GridView mGridView;
34    private int mFirstVisibleItem = -1;
35    private int mVisibleItemCount = -1;
36    private int mTotalItemCount = -1;
37
38    public GridScrollListenerTest() {
39        super("com.android.frameworks.coretests", GridScrollListener.class);
40    }
41
42    @Override
43    protected void setUp() throws Exception {
44        super.setUp();
45
46        mActivity = getActivity();
47        mGridView = getActivity().getGridView();
48        mGridView.setOnScrollListener(this);
49    }
50
51    @MediumTest
52    public void testPreconditions() {
53        assertNotNull(mActivity);
54        assertNotNull(mGridView);
55
56        assertEquals(0, mFirstVisibleItem);
57    }
58
59    @LargeTest
60    public void testKeyScrolling() {
61        Instrumentation inst = getInstrumentation();
62
63        int firstVisibleItem = mFirstVisibleItem;
64        for (int i = 0; i < mVisibleItemCount * 2; i++) {
65            inst.sendCharacterSync(KeyEvent.KEYCODE_DPAD_DOWN);
66        }
67        inst.waitForIdleSync();
68
69        assertTrue("Arrow scroll did not happen", mFirstVisibleItem > firstVisibleItem);
70
71        firstVisibleItem = mFirstVisibleItem;
72        inst.sendCharacterSync(KeyEvent.KEYCODE_SPACE);
73        inst.waitForIdleSync();
74
75        assertTrue("Page scroll did not happen", mFirstVisibleItem > firstVisibleItem);
76
77        firstVisibleItem = mFirstVisibleItem;
78        KeyEvent down = new KeyEvent(0, 0, KeyEvent.ACTION_DOWN,
79                KeyEvent.KEYCODE_DPAD_DOWN, 0, KeyEvent.META_ALT_ON);
80        KeyEvent up = new KeyEvent(0, 0, KeyEvent.ACTION_UP,
81                KeyEvent.KEYCODE_DPAD_DOWN, 0, KeyEvent.META_ALT_ON);
82        inst.sendKeySync(down);
83        inst.sendKeySync(up);
84        inst.waitForIdleSync();
85
86        assertTrue("Full scroll did not happen", mFirstVisibleItem > firstVisibleItem);
87        assertEquals("Full scroll did not happen", mTotalItemCount,
88                mFirstVisibleItem + mVisibleItemCount);
89    }
90
91    @LargeTest
92    public void testTouchScrolling() {
93        Instrumentation inst = getInstrumentation();
94
95        int firstVisibleItem = mFirstVisibleItem;
96        TouchUtils.dragQuarterScreenUp(this);
97        TouchUtils.dragQuarterScreenUp(this);
98        assertTrue("Touch scroll did not happen", mFirstVisibleItem > firstVisibleItem);
99    }
100
101
102    public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
103        mFirstVisibleItem = firstVisibleItem;
104        mVisibleItemCount = visibleItemCount;
105        mTotalItemCount = totalItemCount;
106    }
107
108    public void onScrollStateChanged(AbsListView view, int scrollState) {
109    }
110}
111