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.text.method.cts;
18
19import junit.framework.TestCase;
20import android.text.InputType;
21import android.text.Spannable;
22import android.text.SpannableString;
23import android.text.method.DialerKeyListener;
24import android.view.KeyEvent;
25
26/**
27 * Test {@link DialerKeyListener}.
28 */
29public class DialerKeyListenerTest extends TestCase {
30    public void testConstructor() {
31        new DialerKeyListener();
32    }
33
34    public void testLookup() {
35        MockDialerKeyListener mockDialerKeyListener = new MockDialerKeyListener();
36        final int[] events = { KeyEvent.KEYCODE_0, KeyEvent.KEYCODE_N, KeyEvent.KEYCODE_A };
37        SpannableString span = new SpannableString(""); // no meta spans
38        for (int event: events) {
39            KeyEvent keyEvent = new KeyEvent(KeyEvent.ACTION_DOWN, event);
40            int keyChar = keyEvent.getNumber();
41            if (keyChar != 0) {
42                assertEquals(keyChar, mockDialerKeyListener.lookup(keyEvent, span));
43            } else {
44                // cannot make any assumptions how the key code gets translated
45            }
46        }
47
48        try {
49            mockDialerKeyListener.lookup(null, span);
50            fail("should throw NullPointerException.");
51        } catch (NullPointerException e) {
52        }
53    }
54
55    public void testGetInstance() {
56        assertNotNull(DialerKeyListener.getInstance());
57
58        DialerKeyListener listener1 = DialerKeyListener.getInstance();
59        DialerKeyListener listener2 = DialerKeyListener.getInstance();
60
61        assertTrue(listener1 instanceof DialerKeyListener);
62        assertTrue(listener2 instanceof DialerKeyListener);
63        assertSame(listener1, listener2);
64    }
65
66    public void testGetAcceptedChars() {
67        MockDialerKeyListener mockDialerKeyListener = new MockDialerKeyListener();
68
69        TextMethodUtils.assertEquals(DialerKeyListener.CHARACTERS,
70                mockDialerKeyListener.getAcceptedChars());
71    }
72
73    public void testGetInputType() {
74        DialerKeyListener listener = DialerKeyListener.getInstance();
75
76        assertEquals(InputType.TYPE_CLASS_PHONE, listener.getInputType());
77    }
78
79    private class MockDialerKeyListener extends DialerKeyListener {
80        protected char[] getAcceptedChars() {
81            return super.getAcceptedChars();
82        }
83
84        protected int lookup(KeyEvent event, Spannable content) {
85            return super.lookup(event, content);
86        }
87    }
88}
89