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.arrowscroll;
18
19import android.test.ActivityInstrumentationTestCase;
20import android.test.suitebuilder.annotation.MediumTest;
21import android.test.suitebuilder.annotation.Suppress;
22import android.view.KeyEvent;
23import android.view.View;
24import android.widget.ListView;
25import android.widget.TextView;
26import android.widget.listview.ListWithOffScreenNextSelectable;
27
28@Suppress // Failing.
29public class ListWithOffScreenNextSelectableTest
30        extends ActivityInstrumentationTestCase<ListWithOffScreenNextSelectable> {
31    private ListView mListView;
32
33    public ListWithOffScreenNextSelectableTest() {
34        super("com.android.frameworks.coretests", ListWithOffScreenNextSelectable.class);
35    }
36
37    @Override
38    protected void setUp() throws Exception {
39        super.setUp();
40
41        mListView = getActivity().getListView();
42    }
43
44    @MediumTest
45    public void testPreconditions() {
46        assertNotNull(mListView);
47        assertEquals(5, mListView.getAdapter().getCount());
48        assertFalse(mListView.getAdapter().areAllItemsEnabled());
49        assertFalse(mListView.getAdapter().isEnabled(1));
50        assertFalse(mListView.getAdapter().isEnabled(2));
51        assertFalse(mListView.getAdapter().isEnabled(3));
52        assertEquals("only 4 children should be on screen (so that next selectable is off " +
53                "screen) for this test to be meaningful.",
54                4, mListView.getChildCount());
55        assertEquals(0, mListView.getSelectedItemPosition());
56    }
57
58    // when the next items on screen are not selectable, we pan until the next selectable item
59    // is (partially visible), then we jump to it
60    @MediumTest
61    public void testGoDownToOffScreenSelectable() {
62
63        final int listBottom = mListView.getHeight() - mListView.getListPaddingBottom();
64
65        final View lastVisibleView = mListView.getChildAt(mListView.getChildCount() - 1);
66        sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
67        assertEquals("expecting view to be panned to just above fading edge",
68                listBottom - mListView.getVerticalFadingEdgeLength(), lastVisibleView.getBottom());
69        assertEquals("selection should not have moved yet",
70                0, mListView.getSelectedItemPosition());
71
72        sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
73        assertEquals("selection should have moved",
74                4, mListView.getSelectedItemPosition());
75        assertEquals("wrong view created when scrolling",
76                getActivity().getValueAtPosition(4), ((TextView) mListView.getSelectedView()).getText());
77        assertEquals(listBottom, mListView.getSelectedView().getBottom());
78    }
79
80    @MediumTest
81    public void testGoUpToOffScreenSelectable() {
82        final int listBottom = mListView.getHeight() - mListView.getListPaddingBottom();
83        final int listTop = mListView.getListPaddingTop();
84
85        sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
86        sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
87
88        assertEquals(4, mListView.getSelectedItemPosition());
89        assertEquals(listBottom, mListView.getSelectedView().getBottom());
90
91        // now we have the reverse situation: the next selectable position upward is off screen
92        final View firstVisibleView = mListView.getChildAt(0);
93        sendKeys(KeyEvent.KEYCODE_DPAD_UP);
94        assertEquals("should have panned top view just below vertical fading edge",
95                listTop + mListView.getVerticalFadingEdgeLength(), firstVisibleView.getTop());
96        assertEquals("selection should not have moved yet",
97                4, mListView.getSelectedItemPosition());
98
99        sendKeys(KeyEvent.KEYCODE_DPAD_UP);
100        assertEquals("selection should have moved",
101                0, mListView.getSelectedItemPosition());
102        assertEquals(getActivity().getValueAtPosition(0),((TextView) mListView.getSelectedView()).getText());
103        assertEquals(listTop, mListView.getSelectedView().getTop());
104
105    }
106
107}
108