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 android.view.KeyEvent;
20
21import junit.framework.Assert;
22
23public class TextMethodUtils {
24    /**
25     * Assert that two char arrays are equal.
26     *
27     * @param expected the expected char array.
28     * @param actual the actual char array.
29     */
30    public static void assertEquals(char[] expected, char[] actual) {
31        if (expected != actual) {
32            if (expected == null || actual == null) {
33                Assert.fail("the char arrays are not equal");
34            }
35
36            Assert.assertEquals(String.valueOf(expected), String.valueOf(actual));
37        }
38    }
39
40    /**
41     * Get an unaccepted key code.
42     *
43     * @param acceptedChars accepted chars array.
44     * @return return key code if we find unaccepted one, or return -1.
45     */
46    public static int getUnacceptedKeyCode(char[] acceptedChars) {
47        for (int keyCode = KeyEvent.KEYCODE_A; keyCode <= KeyEvent.KEYCODE_Z; keyCode++) {
48            KeyEvent event = new KeyEvent(KeyEvent.ACTION_DOWN, keyCode);
49            if ('\0' == event.getMatch(acceptedChars)) {
50                return keyCode;
51            }
52        }
53        return -1;
54    }
55}
56