ListEmptyViewTest.java revision 1d3165f10b12165f02b7015ac1a817c5f60e6399 
1/*
2 * Copyright (C) 2008 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.app.Instrumentation;
20import android.content.Intent;
21import android.test.ActivityInstrumentationTestCase;
22import android.test.suitebuilder.annotation.LargeTest;
23import android.test.suitebuilder.annotation.MediumTest;
24import android.view.KeyEvent;
25import android.view.View;
26import android.widget.ListView;
27
28public class ListEmptyViewTest extends ActivityInstrumentationTestCase<ListWithEmptyView> {
29    private ListWithEmptyView mActivity;
30    private ListView mListView;
31
32
33    public ListEmptyViewTest() {
34        super("com.android.frameworks.coretests", ListWithEmptyView.class);
35    }
36
37    @Override
38    protected void setUp() throws Exception {
39        super.setUp();
40
41        mActivity = getActivity();
42        mListView = getActivity().getListView();
43    }
44
45    @MediumTest
46    public void testPreconditions() {
47        assertNotNull(mActivity);
48        assertNotNull(mListView);
49
50        assertTrue("Empty view not shown", mListView.getVisibility() == View.GONE);
51    }
52
53    @MediumTest
54    public void testZeroToOne() {
55        Instrumentation inst = getInstrumentation();
56
57        inst.invokeMenuActionSync(mActivity, mActivity.MENU_ADD, 0);
58        inst.waitForIdleSync();
59        assertTrue("Empty view still shown", mActivity.getEmptyView().getVisibility() == View.GONE);
60        assertTrue("List not shown", mActivity.getListView().getVisibility() == View.VISIBLE);
61    }
62
63    @MediumTest
64    public void testZeroToOneForwardBack() {
65        Instrumentation inst = getInstrumentation();
66
67        inst.invokeMenuActionSync(mActivity, mActivity.MENU_ADD, 0);
68        inst.waitForIdleSync();
69        assertTrue("Empty view still shown", mActivity.getEmptyView().getVisibility() == View.GONE);
70        assertTrue("List not shown", mActivity.getListView().getVisibility() == View.VISIBLE);
71
72        // Navigate forward
73        Intent intent = new Intent();
74        intent.setClass(mActivity, ListWithEmptyView.class);
75        mActivity.startActivity(intent);
76
77        // Navigate backward
78        inst.sendCharacterSync(KeyEvent.KEYCODE_BACK);
79        inst.waitForIdleSync();
80        assertTrue("Empty view still shown", mActivity.getEmptyView().getVisibility() == View.GONE);
81        assertTrue("List not shown", mActivity.getListView().getVisibility() == View.VISIBLE);
82
83    }
84
85    @LargeTest
86    public void testZeroToManyToZero() {
87        Instrumentation inst = getInstrumentation();
88
89        int i;
90
91        for (i = 0; i < 10; i++) {
92            inst.invokeMenuActionSync(mActivity, mActivity.MENU_ADD, 0);
93            inst.waitForIdleSync();
94            assertTrue("Empty view still shown",
95                    mActivity.getEmptyView().getVisibility() == View.GONE);
96            assertTrue("List not shown", mActivity.getListView().getVisibility() == View.VISIBLE);
97        }
98
99        for (i = 0; i < 10; i++) {
100            inst.invokeMenuActionSync(mActivity, mActivity.MENU_REMOVE, 0);
101            inst.waitForIdleSync();
102            if (i < 9) {
103                assertTrue("Empty view still shown",
104                        mActivity.getEmptyView().getVisibility() == View.GONE);
105                assertTrue("List not shown",
106                        mActivity.getListView().getVisibility() == View.VISIBLE);
107            } else {
108                assertTrue("Empty view not shown",
109                        mActivity.getEmptyView().getVisibility() == View.VISIBLE);
110                assertTrue("List still shown",
111                        mActivity.getListView().getVisibility() == View.GONE);
112            }
113        }
114
115        // Navigate forward
116        Intent intent = new Intent();
117        intent.setClass(mActivity, ListWithEmptyView.class);
118        mActivity.startActivity(intent);
119
120        // Navigate backward
121        inst.sendCharacterSync(KeyEvent.KEYCODE_BACK);
122        inst.waitForIdleSync();
123        assertTrue("Empty view not shown", mActivity.getEmptyView().getVisibility() == View.VISIBLE);
124        assertTrue("List still shown", mActivity.getListView().getVisibility() == View.GONE);
125    }
126
127
128}
129