340b0e5216
Test: runtest --path frameworks/base/tests/testablets/tests
&& runtest systemui
Change-Id: Ideef4aef5f26136b1741c556b9be5884f38842a0
102 lines
2.9 KiB
Java
102 lines
2.9 KiB
Java
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the
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* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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package android.testing;
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import android.util.ArrayMap;
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import android.util.Log;
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import org.junit.Assert;
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import org.junit.rules.TestWatcher;
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import org.junit.runner.Description;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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public class LeakCheck extends TestWatcher {
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private final Map<String, Tracker> mTrackers = new HashMap<>();
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public LeakCheck() {
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}
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@Override
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protected void succeeded(Description description) {
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verify();
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}
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public Tracker getTracker(String tag) {
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Tracker t = mTrackers.get(tag);
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if (t == null) {
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t = new Tracker();
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mTrackers.put(tag, t);
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}
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return t;
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}
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public void verify() {
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mTrackers.values().forEach(Tracker::verify);
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}
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public static class LeakInfo {
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private static final String TAG = "LeakInfo";
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private List<Throwable> mThrowables = new ArrayList<>();
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LeakInfo() {
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}
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public void addAllocation(Throwable t) {
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// TODO: Drop off the first element in the stack trace here to have a cleaner stack.
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mThrowables.add(t);
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}
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public void clearAllocations() {
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mThrowables.clear();
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}
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void verify() {
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if (mThrowables.size() == 0) return;
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Log.e(TAG, "Listener or binding not properly released");
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for (Throwable t : mThrowables) {
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Log.e(TAG, "Allocation found", t);
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}
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StringWriter writer = new StringWriter();
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mThrowables.get(0).printStackTrace(new PrintWriter(writer));
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Assert.fail("Listener or binding not properly released\n"
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+ writer.toString());
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}
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}
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public static class Tracker {
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private Map<Object, LeakInfo> mObjects = new ArrayMap<>();
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public LeakInfo getLeakInfo(Object object) {
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LeakInfo leakInfo = mObjects.get(object);
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if (leakInfo == null) {
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leakInfo = new LeakInfo();
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mObjects.put(object, leakInfo);
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}
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return leakInfo;
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}
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void verify() {
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mObjects.values().forEach(LeakInfo::verify);
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}
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}
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}
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