1 /* 2 * Copyright (C) 2016 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 17 package com.android.internal.util; 18 19 import static org.junit.Assert.*; 20 21 import com.android.internal.util.MessageUtils; 22 import android.test.suitebuilder.annotation.SmallTest; 23 import android.util.SparseArray; 24 25 import org.junit.Test; 26 27 28 class A { 29 // Should not see these. 30 private int mMember; 31 public final int CMD_NOT_STATIC = 7; 32 private static final String CMD_NOT_INT = "not an integer"; 33 public static int CMD_NOT_FINAL = 34; 34 public static final int kWrongPrefix = 99; 35 36 // Should see these. 37 private static final int CMD_DO_SOMETHING = 12; 38 public static final int EVENT_SOMETHING_HAPPENED = 45; 39 } 40 41 class B { 42 public static final int CMD_FOO = 56; 43 public static final int EVENT_BAR = 55; 44 public static final int NOTIFICATION_BAZ = 12; 45 } 46 47 /** 48 * Unit tests for {@link com.android.util.MessageUtils}. 49 */ 50 @SmallTest 51 public class MessageUtilsTest { 52 53 private static final Class[] CLASSES = { A.class, B.class }; 54 55 private SparseArray<String> makeSparseArray(int[] keys, String[] values) throws Exception { 56 assertEquals("Must specify same number of keys and values", keys.length, values.length); 57 SparseArray<String> out = new SparseArray<>(); 58 for (int i = 0; i < keys.length; i++) { 59 out.put(keys[i], values[i]); 60 } 61 return out; 62 } 63 64 private void assertSparseArrayEquals( 65 SparseArray<String> a1, SparseArray<String> a2) throws Exception { 66 String msg = String.format("%s != %s", a1.toString(), a2.toString()); 67 assertEquals(msg, a1.size(), a2.size()); 68 int size = a1.size(); 69 for (int i = 0; i < size; i++) { 70 assertEquals(msg, a1.keyAt(i), a2.keyAt(i)); 71 assertEquals(msg, a1.valueAt(i), a2.valueAt(i)); 72 } 73 } 74 75 @Test 76 public void basicOperation() throws Exception { 77 SparseArray<String> expected = makeSparseArray( 78 new int[]{12, 45, 55, 56}, 79 new String[]{"CMD_DO_SOMETHING", "EVENT_SOMETHING_HAPPENED", "EVENT_BAR", "CMD_FOO"}); 80 assertSparseArrayEquals(expected, MessageUtils.findMessageNames(CLASSES)); 81 } 82 83 @Test 84 public void withPrefixes() throws Exception { 85 SparseArray<String> expected = makeSparseArray( 86 new int[]{45, 55}, 87 new String[]{"EVENT_SOMETHING_HAPPENED", "EVENT_BAR"}); 88 assertSparseArrayEquals(expected, MessageUtils.findMessageNames(CLASSES, 89 new String[]{"EVENT_"})); 90 } 91 92 @Test(expected=MessageUtils.DuplicateConstantError.class) 93 public void duplicateConstants() { 94 MessageUtils.findMessageNames(CLASSES, new String[]{"CMD_", "NOTIFICATION_"}); 95 } 96 97 } 98
