1/* 2 * Copyright (C) 2018 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 com.android.server.testing.shadows; 18 19import android.util.EventLog; 20 21import org.robolectric.annotation.Implementation; 22import org.robolectric.annotation.Implements; 23 24import java.util.Arrays; 25import java.util.LinkedHashSet; 26import java.util.List; 27 28@Implements(EventLog.class) 29public class ShadowEventLog { 30 private final static LinkedHashSet<Entry> ENTRIES = new LinkedHashSet<>(); 31 32 @Implementation 33 public static int writeEvent(int tag, Object... values) { 34 ENTRIES.add(new Entry(tag, Arrays.asList(values))); 35 // Currently we don't care about the return value, if we do, estimate it correctly 36 return 0; 37 } 38 39 public static boolean hasEvent(int tag, Object... values) { 40 return ENTRIES.contains(new Entry(tag, Arrays.asList(values))); 41 } 42 43 /** Clears the entries */ 44 public static void setUp() { 45 ENTRIES.clear(); 46 } 47 48 public static class Entry { 49 public final int tag; 50 public final List<Object> values; 51 52 public Entry(int tag, List<Object> values) { 53 this.tag = tag; 54 this.values = values; 55 } 56 57 @Override 58 public boolean equals(Object o) { 59 if (this == o) return true; 60 if (o == null || getClass() != o.getClass()) return false; 61 Entry entry = (Entry) o; 62 return tag == entry.tag && values.equals(entry.values); 63 } 64 65 @Override 66 public int hashCode() { 67 int result = tag; 68 result = 31 * result + values.hashCode(); 69 return result; 70 } 71 } 72} 73