Android example source code file (LoadTestsAutoTest.java)

This example Android source code file (LoadTestsAutoTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, app, bundle, content, fileoutputstream, interruptedexception, io, ioexception, layouttestsautorunner, load_test_result, load_test_runner_files, loadtestsautotest, logtag, n/a, os, printstream, runtime, string, test, testshellactivity

The LoadTestsAutoTest.java Android example source code

/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.dumprendertree;

import dalvik.system.VMRuntime;

import android.app.Instrumentation;
import android.content.Intent;
import android.os.Bundle;
import android.os.Debug;
import android.os.Environment;
import android.os.Process;
import android.test.ActivityInstrumentationTestCase2;
import android.util.Log;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;

public class LoadTestsAutoTest extends ActivityInstrumentationTestCase2<TestShellActivity> {

    private final static String LOGTAG = "LoadTest";
    private final static String LOAD_TEST_RESULT =
        Environment.getExternalStorageDirectory() + "/load_test_result.txt";
    private boolean mFinished;
    static final String LOAD_TEST_RUNNER_FILES[] = {
        "run_page_cycler.py"
    };

    public LoadTestsAutoTest() {
        super("com.android.dumprendertree", TestShellActivity.class);
    }

    // This function writes the result of the layout test to
    // Am status so that it can be picked up from a script.
    public void passOrFailCallback(String file, boolean result) {
        Instrumentation inst = getInstrumentation();
        Bundle bundle = new Bundle();
        bundle.putBoolean(file, result);
        inst.sendStatus(0, bundle);
    }

    // Invokes running of layout tests
    // and waits till it has finished running.
    public void runPageCyclerTest() {
        LayoutTestsAutoRunner runner = (LayoutTestsAutoRunner) getInstrumentation();

        if (runner.mTestPath == null) {
            Log.e(LOGTAG, "No test specified");
            return;
        }

        TestShellActivity activity = (TestShellActivity) getActivity();

        Log.v(LOGTAG, "About to run tests, calling gc first...");
        freeMem();

        // Run tests
        runTestAndWaitUntilDone(activity, runner.mTestPath, runner.mTimeoutInMillis,
                runner.mGetDrawTime, runner.mSaveImagePath);

        activity.clearCache();
        try {
            Thread.sleep(5000);
        } catch (InterruptedException e) {
        }
        dumpMemoryInfo();

        // Kill activity
        activity.finish();
    }

    private void freeMem() {
        Log.v(LOGTAG, "freeMem: calling gc/finalization...");
        final VMRuntime runtime = VMRuntime.getRuntime();

        runtime.gcSoftReferences();
        runtime.runFinalizationSync();
        runtime.gcSoftReferences();
        runtime.runFinalizationSync();
        runtime.gcSoftReferences();
        runtime.runFinalizationSync();
        Runtime.getRuntime().runFinalization();
        Runtime.getRuntime().gc();
        Runtime.getRuntime().gc();

    }

    private void printRow(PrintStream ps, String format, Object...objs) {
        ps.println(String.format(format, objs));
    }

    private void dumpMemoryInfo() {
        try {
            freeMem();
            Log.v(LOGTAG, "Dumping memory information.");

            FileOutputStream out = new FileOutputStream(LOAD_TEST_RESULT, true);
            PrintStream ps = new PrintStream(out);

            ps.print("\n\n\n");
            ps.println("** MEMINFO in pid " + Process.myPid()
                    + " [com.android.dumprendertree] **");
            String formatString = "%17s %8s %8s %8s %8s";

            long nativeMax = Debug.getNativeHeapSize() / 1024;
            long nativeAllocated = Debug.getNativeHeapAllocatedSize() / 1024;
            long nativeFree = Debug.getNativeHeapFreeSize() / 1024;
            Runtime runtime = Runtime.getRuntime();
            long dalvikMax = runtime.totalMemory() / 1024;
            long dalvikFree = runtime.freeMemory() / 1024;
            long dalvikAllocated = dalvikMax - dalvikFree;


            Debug.MemoryInfo memInfo = new Debug.MemoryInfo();
            Debug.getMemoryInfo(memInfo);

            final int nativeShared = memInfo.nativeSharedDirty;
            final int dalvikShared = memInfo.dalvikSharedDirty;
            final int otherShared = memInfo.otherSharedDirty;

            final int nativePrivate = memInfo.nativePrivateDirty;
            final int dalvikPrivate = memInfo.dalvikPrivateDirty;
            final int otherPrivate = memInfo.otherPrivateDirty;

            printRow(ps, formatString, "", "native", "dalvik", "other", "total");
            printRow(ps, formatString, "size:", nativeMax, dalvikMax, "N/A", nativeMax + dalvikMax);
            printRow(ps, formatString, "allocated:", nativeAllocated, dalvikAllocated, "N/A",
                    nativeAllocated + dalvikAllocated);
            printRow(ps, formatString, "free:", nativeFree, dalvikFree, "N/A",
                    nativeFree + dalvikFree);

            printRow(ps, formatString, "(Pss):", memInfo.nativePss, memInfo.dalvikPss,
                    memInfo.otherPss, memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss);

            printRow(ps, formatString, "(shared dirty):", nativeShared, dalvikShared, otherShared,
                    nativeShared + dalvikShared + otherShared);
            printRow(ps, formatString, "(priv dirty):", nativePrivate, dalvikPrivate, otherPrivate,
                    nativePrivate + dalvikPrivate + otherPrivate);
            ps.print("\n\n\n");
            ps.flush();
            ps.close();
            out.flush();
            out.close();
        } catch (IOException e) {
            Log.e(LOGTAG, e.getMessage());
        }
    }

    // A convenient method to be called by another activity.
    private void runTestAndWaitUntilDone(TestShellActivity activity, String url, int timeout,
            boolean getDrawTime, String saveImagePath) {
        activity.setCallback(new TestShellCallback() {
            public void finished() {
                synchronized (LoadTestsAutoTest.this) {
                    mFinished = true;
                    LoadTestsAutoTest.this.notifyAll();
                }
            }

            public void timedOut(String url) {
            }
        });

        mFinished = false;
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.setClass(activity, TestShellActivity.class);
        intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
        intent.putExtra(TestShellActivity.TEST_URL, url);
        intent.putExtra(TestShellActivity.TIMEOUT_IN_MILLIS, timeout);
        intent.putExtra(TestShellActivity.RESULT_FILE, LOAD_TEST_RESULT);
        intent.putExtra(TestShellActivity.GET_DRAW_TIME, getDrawTime);
        if (saveImagePath != null)
            intent.putExtra(TestShellActivity.SAVE_IMAGE, saveImagePath);
        activity.startActivity(intent);

        // Wait until done.
        synchronized (this) {
            while(!mFinished) {
                try {
                    this.wait();
                } catch (InterruptedException e) { }
            }
        }
    }

    public void copyRunnerAssetsToCache() {
        try {
            String out_dir = getActivity().getApplicationContext()
                .getCacheDir().getPath() + "/";

            for( int i=0; i< LOAD_TEST_RUNNER_FILES.length; i++) {
                InputStream in = getActivity().getAssets().open(
                        LOAD_TEST_RUNNER_FILES[i]);
                OutputStream out = new FileOutputStream(
                        out_dir + LOAD_TEST_RUNNER_FILES[i]);

                byte[] buf = new byte[2048];
                int len;

                while ((len = in.read(buf)) >= 0 ) {
                    out.write(buf, 0, len);
                }
                out.close();
                in.close();
            }
        }catch (IOException e) {
          e.printStackTrace();
        }

    }

}