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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.touch;
18
19import android.test.suitebuilder.annotation.LargeTest;
20import android.test.suitebuilder.annotation.MediumTest;
21import android.test.TouchUtils;
22import android.widget.gridview.GridStackFromBottomMany;
23
24import android.widget.GridView;
25import android.view.View;
26import android.test.ActivityInstrumentationTestCase;
27
28public class GridTouchStackFromBottomManyTest extends ActivityInstrumentationTestCase<GridStackFromBottomMany> {
29    private GridStackFromBottomMany mActivity;
30    private GridView mGridView;
31
32    public GridTouchStackFromBottomManyTest() {
33        super("com.android.frameworks.coretests", GridStackFromBottomMany.class);
34    }
35
36    @Override
37    protected void setUp() throws Exception {
38        super.setUp();
39
40        mActivity = getActivity();
41        mGridView = getActivity().getGridView();
42    }
43
44    @MediumTest
45    public void testPreconditions() {
46        assertNotNull(mActivity);
47        assertNotNull(mGridView);
48
49        // Last item should be selected
50        assertEquals(mGridView.getAdapter().getCount() - 1, mGridView.getSelectedItemPosition());
51    }
52
53    @LargeTest
54    public void testScrollToTop() {
55        View firstChild;
56        TouchUtils.scrollToTop(this, mGridView);
57
58        // Nothing should be selected
59        assertEquals("Selection still available after touch", -1,
60                mGridView.getSelectedItemPosition());
61
62        firstChild = mGridView.getChildAt(0);
63
64        assertEquals("Item zero not the first child in the grid", 0, firstChild.getId());
65
66        assertEquals("Item zero not at the top of the grid",
67                mGridView.getListPaddingTop(), firstChild.getTop());
68    }
69
70    @LargeTest
71    public void testScrollToBottom() {
72        TouchUtils.scrollToBottom(this, mGridView);
73
74        // Nothing should be selected
75        assertEquals("Selection still available after touch", -1,
76                mGridView.getSelectedItemPosition());
77
78        View lastChild = mGridView.getChildAt(mGridView.getChildCount() - 1);
79
80        assertEquals("Grid is not scrolled to the bottom", mGridView.getAdapter().getCount() - 1,
81                lastChild.getId());
82
83        assertEquals("Last item is not touching the bottom edge",
84                mGridView.getHeight() - mGridView.getListPaddingBottom(), lastChild.getBottom());
85    }
86}
87