Move //webapk to //chrome/android/webapk

webapk/shell_apk/javatests/src/org/chromium/webapk/shell_apk/DexLoaderTest.java

Index: webapk/shell_apk/javatests/src/org/chromium/webapk/shell_apk/DexLoaderTest.java
diff --git a/webapk/shell_apk/javatests/src/org/chromium/webapk/shell_apk/DexLoaderTest.java b/webapk/shell_apk/javatests/src/org/chromium/webapk/shell_apk/DexLoaderTest.java
deleted file mode 100644
index db04700b6fb5c9464630b2d10472db440e73df58..0000000000000000000000000000000000000000
--- a/webapk/shell_apk/javatests/src/org/chromium/webapk/shell_apk/DexLoaderTest.java
+++ /dev/null
@@ -1,319 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.webapk.shell_apk;
-
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.Intent;
-import android.content.ServiceConnection;
-import android.os.FileObserver;
-import android.os.IBinder;
-import android.os.RemoteException;
-import android.test.InstrumentationTestCase;
-import android.test.suitebuilder.annotation.MediumTest;
-
-import dalvik.system.DexFile;
-
-import org.chromium.base.FileUtils;
-import org.chromium.content.browser.test.util.CallbackHelper;
-import org.chromium.webapk.lib.common.WebApkUtils;
-import org.chromium.webapk.shell_apk.test.dex_optimizer.IDexOptimizerService;
-
-import java.io.File;
-import java.util.ArrayList;
-import java.util.Arrays;
-
-public class DexLoaderTest extends InstrumentationTestCase {
-    /**
-     * Package of APK to load dex file from and package which provides DexOptimizerService.
-     */
-    private static final String DEX_OPTIMIZER_SERVICE_PACKAGE =
-            "org.chromium.webapk.shell_apk.test.dex_optimizer";
-
-    /**
-     * Class which implements DexOptimizerService.
-     */
-    private static final String DEX_OPTIMIZER_SERVICE_CLASS_NAME =
-            "org.chromium.webapk.shell_apk.test.dex_optimizer.DexOptimizerServiceImpl";
-
-    /**
-     * Name of the dex file in DexOptimizer.apk.
-     */
-    private static final String DEX_ASSET_NAME = "canary.dex";
-
-    /**
-     * Class to load to check whether dex is valid.
-     */
-    private static final String CANARY_CLASS_NAME =
-            "org.chromium.webapk.shell_apk.test.canary.Canary";
-
-    private Context mContext;
-    private Context mRemoteContext;
-    private File mRemoteDexFile;
-    private File mLocalDexDir;
-    private IDexOptimizerService mDexOptimizerService;
-    private ServiceConnection mServiceConnection;
-
-    /**
-     * Monitors read files and modified files in the directory passed to the constructor.
-     */
-    private class FileMonitor extends FileObserver {
-        public ArrayList<String> mReadPaths = new ArrayList<String>();
-        public ArrayList<String> mModifiedPaths = new ArrayList<String>();
-
-        public FileMonitor(File directory) {
-            super(directory.getPath());
-        }
-
-        @Override
-        public void onEvent(int event, String path) {
-            switch (event) {
-                case FileObserver.ACCESS:
-                    mReadPaths.add(path);
-                    break;
-                case FileObserver.CREATE:
-                case FileObserver.DELETE:
-                case FileObserver.DELETE_SELF:
-                case FileObserver.MODIFY:
-                    mModifiedPaths.add(path);
-                    break;
-                default:
-                    break;
-            }
-        }
-    }
-
-    @Override
-    protected void setUp() {
-        mContext = getInstrumentation().getTargetContext();
-
-        mRemoteContext = WebApkUtils.getHostBrowserContext(mContext);
-        if (mRemoteContext == null) {
-            fail("Failed to get remote context.");
-        }
-
-        mLocalDexDir = mContext.getDir("dex", Context.MODE_PRIVATE);
-        if (mLocalDexDir.exists()) {
-            FileUtils.recursivelyDeleteFile(mLocalDexDir);
-            if (mLocalDexDir.exists()) {
-                fail("Could not delete local dex directory.");
-            }
-        }
-
-        connectToDexOptimizerService();
-
-        try {
-            if (!mDexOptimizerService.deleteDexDirectory()) {
-                fail("Could not delete remote dex directory.");
-            }
-        } catch (RemoteException e) {
-            e.printStackTrace();
-            fail("Remote crashed during setup.");
-        }
-    }
-
-    @Override
-    public void tearDown() {
-        mContext.unbindService(mServiceConnection);
-    }
-
-    /**
-     * Test that {@DexLoader#load()} can create a ClassLoader from a dex and optimized dex in
-     * another app's data directory.
-     */
-    @MediumTest
-    public void testLoadFromRemoteDataDir() {
-        // Extract the dex file into another app's data directory and optimize the dex.
-        String remoteDexFilePath = null;
-        try {
-            remoteDexFilePath = mDexOptimizerService.extractAndOptimizeDex();
-        } catch (RemoteException e) {
-            e.printStackTrace();
-            fail("Remote crashed.");
-        }
-
-        if (remoteDexFilePath == null) {
-            fail("Could not extract and optimize dex.");
-        }
-
-        // Check that the Android OS knows about the optimized dex file for
-        // {@link remoteDexFilePath}.
-        File remoteDexFile = new File(remoteDexFilePath);
-        assertFalse(isDexOptNeeded(remoteDexFile));
-
-        ClassLoader loader = DexLoader.load(
-                mRemoteContext, DEX_ASSET_NAME, CANARY_CLASS_NAME, remoteDexFile, mLocalDexDir);
-        assertNotNull(loader);
-        assertTrue(canLoadCanaryClass(loader));
-
-        // Check that {@link DexLoader#load()} did not use the fallback path.
-        assertFalse(mLocalDexDir.exists());
-    }
-
-    /**
-     * That that {@link DexLoader#load()} falls back to extracting the dex from the APK to the
-     * local data directory and creating the ClassLoader from the extracted dex if creating the
-     * ClassLoader from the cached data in the remote Context's data directory fails.
-     */
-    @MediumTest
-    public void testLoadFromLocalDataDir() {
-        ClassLoader loader = DexLoader.load(
-                mRemoteContext, DEX_ASSET_NAME, CANARY_CLASS_NAME, null, mLocalDexDir);
-        assertNotNull(loader);
-        assertTrue(canLoadCanaryClass(loader));
-
-        // Check that the dex file was extracted to the local data directory and that a directory
-        // was created for the optimized dex.
-        assertTrue(mLocalDexDir.exists());
-        File[] localDexDirFiles = mLocalDexDir.listFiles();
-        Arrays.sort(mLocalDexDir.listFiles());
-        assertEquals(2, localDexDirFiles.length);
-        assertEquals(DEX_ASSET_NAME, localDexDirFiles[0].getName());
-        assertFalse(localDexDirFiles[0].isDirectory());
-        assertEquals("optimized", localDexDirFiles[1].getName());
-        assertTrue(localDexDirFiles[1].isDirectory());
-    }
-
-    /**
-     * Test that {@link DexLoader#load()} does not extract the dex file from the APK if the dex file
-     * was extracted in a previous call to {@link DexLoader#load()}
-     */
-    @MediumTest
-    public void testPreviouslyLoadedFromLocalDataDir() {
-        mLocalDexDir.mkdir();
-
-        {
-            // Load dex the first time. This should extract the dex file from the APK's assets and
-            // generate the optimized dex file.
-            FileMonitor localDexDirMonitor = new FileMonitor(mLocalDexDir);
-            localDexDirMonitor.startWatching();
-            ClassLoader loader = DexLoader.load(
-                    mRemoteContext, DEX_ASSET_NAME, CANARY_CLASS_NAME, null, mLocalDexDir);
-            localDexDirMonitor.stopWatching();
-
-            assertNotNull(loader);
-            assertTrue(canLoadCanaryClass(loader));
-
-            assertTrue(localDexDirMonitor.mReadPaths.contains(DEX_ASSET_NAME));
-            assertTrue(localDexDirMonitor.mModifiedPaths.contains(DEX_ASSET_NAME));
-        }
-        {
-            // Load dex a second time. We should use the already extracted dex file.
-            FileMonitor localDexDirMonitor = new FileMonitor(mLocalDexDir);
-            localDexDirMonitor.startWatching();
-            ClassLoader loader = DexLoader.load(
-                    mRemoteContext, DEX_ASSET_NAME, CANARY_CLASS_NAME, null, mLocalDexDir);
-            localDexDirMonitor.stopWatching();
-
-            // The returned ClassLoader should be valid.
-            assertNotNull(loader);
-            assertTrue(canLoadCanaryClass(loader));
-
-            // We should not have modified any files and have used the already extracted dex file.
-            assertTrue(localDexDirMonitor.mReadPaths.contains(DEX_ASSET_NAME));
-            assertTrue(localDexDirMonitor.mModifiedPaths.isEmpty());
-        }
-    }
-
-    /**
-     * Test that {@link DexLoader#load()} re-extracts the dex file from the APK after a call to
-     * {@link DexLoader#deleteCachedDexes()}.
-     */
-    @MediumTest
-    public void testLoadAfterDeleteCachedDexes() {
-        mLocalDexDir.mkdir();
-
-        {
-            // Load dex the first time. This should extract the dex file from the APK's assets and
-            // generate the optimized dex file.
-            FileMonitor localDexDirMonitor = new FileMonitor(mLocalDexDir);
-            localDexDirMonitor.startWatching();
-            ClassLoader loader = DexLoader.load(
-                    mRemoteContext, DEX_ASSET_NAME, CANARY_CLASS_NAME, null, mLocalDexDir);
-            localDexDirMonitor.stopWatching();
-
-            assertNotNull(loader);
-            assertTrue(canLoadCanaryClass(loader));
-
-            assertTrue(localDexDirMonitor.mReadPaths.contains(DEX_ASSET_NAME));
-            assertTrue(localDexDirMonitor.mModifiedPaths.contains(DEX_ASSET_NAME));
-        }
-
-        DexLoader.deleteCachedDexes(mLocalDexDir);
-
-        {
-            // Load dex a second time.
-            FileMonitor localDexDirMonitor = new FileMonitor(mLocalDexDir);
-            localDexDirMonitor.startWatching();
-            ClassLoader loader = DexLoader.load(
-                    mRemoteContext, DEX_ASSET_NAME, CANARY_CLASS_NAME, null, mLocalDexDir);
-            localDexDirMonitor.stopWatching();
-
-            // The returned ClassLoader should be valid.
-            assertNotNull(loader);
-            assertTrue(canLoadCanaryClass(loader));
-
-            // We should have re-extracted the dex from the APK's assets.
-            assertTrue(localDexDirMonitor.mReadPaths.contains(DEX_ASSET_NAME));
-            assertTrue(localDexDirMonitor.mModifiedPaths.contains(DEX_ASSET_NAME));
-        }
-    }
-
-    /**
-     * Connects to the DexOptimizerService.
-     */
-    private void connectToDexOptimizerService() {
-        Intent intent = new Intent();
-        intent.setComponent(
-                new ComponentName(DEX_OPTIMIZER_SERVICE_PACKAGE, DEX_OPTIMIZER_SERVICE_CLASS_NAME));
-        final CallbackHelper connectedCallback = new CallbackHelper();
-
-        mServiceConnection = new ServiceConnection() {
-            @Override
-            public void onServiceConnected(ComponentName name, IBinder service) {
-                mDexOptimizerService = IDexOptimizerService.Stub.asInterface(service);
-                connectedCallback.notifyCalled();
-            }
-
-            @Override
-            public void onServiceDisconnected(ComponentName name) {}
-        };
-
-        try {
-            mContext.bindService(intent, mServiceConnection, Context.BIND_AUTO_CREATE);
-        } catch (SecurityException e) {
-            e.printStackTrace();
-            fail();
-        }
-
-        try {
-            connectedCallback.waitForCallback(0);
-        } catch (Exception e) {
-            e.printStackTrace();
-            fail("Could not connect to remote.");
-        }
-    }
-
-    /** Returns whether the Android OS thinks that a dex file needs to be re-optimized */
-    private boolean isDexOptNeeded(File dexFile) {
-        try {
-            return DexFile.isDexOptNeeded(dexFile.getPath());
-        } catch (Exception e) {
-            e.printStackTrace();
-            fail();
-            return false;
-        }
-    }
-
-    /** Returns whether the ClassLoader can load {@link CANARY_CLASS_NAME} */
-    private boolean canLoadCanaryClass(ClassLoader loader) {
-        try {
-            loader.loadClass(CANARY_CLASS_NAME);
-            return true;
-        } catch (Exception e) {
-            return false;
-        }
-    }
-}