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diff --git a/tests/src/com/android/bookmarkstore/tests/utils/ProviderTestCase3.java b/tests/src/com/android/bookmarkstore/tests/utils/ProviderTestCase3.java
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+++ b/tests/src/com/android/bookmarkstore/tests/utils/ProviderTestCase3.java
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+/*
+ * Copyright (C) 2011 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.bookmarkprovider.tests.utils;
+
+import android.content.ContentProvider;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.res.Resources;
+import android.database.ContentObserver;
+import android.net.Uri;
+import android.test.AndroidTestCase;
+import android.test.IsolatedContext;
+import android.test.RenamingDelegatingContext;
+import android.test.mock.MockContext;
+
+import java.io.File;
+
+import android.content.pm.ProviderInfo;
+
+/**
+ * Replacement for ProviderTestCase2 that keeps calls to ContentResolver.notifyChanged
+ * internal to observers registered with ProviderTestCase3.registerContentObserver
+ */
+public abstract class ProviderTestCase3<T extends ContentProvider> extends AndroidTestCase {
+
+    public static final String FILENAME_PREFIX = "test.";
+
+    private static final String BROWSER_AUTHORITIES = "com.android.browser;browser";
+
+    Class<T> mProviderClass;
+    String[] mProviderAuthority;
+
+    private IsolatedContext mProviderContext;
+    private MockContentResolver2 mResolver;
+
+    private class MockContext2 extends MockContext {
+
+        @Override
+        public Resources getResources() {
+            return getContext().getResources();
+        }
+
+        @Override
+        public File getDir(String name, int mode) {
+            // name the directory so the directory will be separated from
+            // one created through the regular Context
+            return getContext().getDir("mockcontext2_" + name, mode);
+        }
+
+        @Override
+        public String getPackageName() {
+            return getContext().getPackageName();
+        }
+
+        @Override
+        public SharedPreferences getSharedPreferences(String name, int mode) {
+            return getContext().getSharedPreferences("mockcontext2_" + name, mode);
+        }
+
+        @Override
+        public Context getApplicationContext() {
+            return this;
+        }
+
+        @Override
+        public Object getSystemService(String name) {
+            return null;
+        }
+    }
+    /**
+     * Constructor.
+     *
+     * @param providerClass The class name of the provider under test
+     * @param providerAuthorities The provider's authority string
+     */
+    public ProviderTestCase3(Class<T> providerClass, String... providerAuthorities) {
+        mProviderClass = providerClass;
+        mProviderAuthority = providerAuthorities;
+    }
+
+    private T mProvider;
+
+    /**
+     * Returns the content provider created by this class in the {@link #setUp()} method.
+     * @return T An instance of the provider class given as a parameter to the test case class.
+     */
+    public T getProvider() {
+        return mProvider;
+    }
+
+    /**
+     * Sets up the environment for the test fixture.
+     * <p>
+     * Creates a new
+     * {@link com.android.bookmarkprovider.tests.utils.MockContentResolver2}, a new IsolatedContext
+     * that isolates the provider's file operations, and a new instance of
+     * the provider under test within the isolated environment.
+     * </p>
+     *
+     * @throws Exception
+     */
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+
+        mResolver = new MockContentResolver2();
+        RenamingDelegatingContext targetContextWrapper = new
+                RenamingDelegatingContext(
+                new MockContext2(), // The context that most methods are
+                                    //delegated to
+                getContext(), // The context that file methods are delegated to
+                FILENAME_PREFIX);
+        // The default IsolatedContext has a mock AccountManager that doesn't
+        // work for us, so override getSystemService to always return null
+        mProviderContext = new IsolatedContext(mResolver, targetContextWrapper) {
+
+            @Override
+            public Object getSystemService(String name) {
+                return null;
+            }
+        };
+
+        mProvider = mProviderClass.newInstance();
+        ProviderInfo info = new ProviderInfo();
+        info.authority = BROWSER_AUTHORITIES;
+        mProvider.attachInfoForTesting(mProviderContext, info);
+        assertNotNull(mProvider);
+        for (String auth : mProviderAuthority) {
+            mResolver.addProvider(auth, getProvider());
+        }
+    }
+
+    /**
+     * Tears down the environment for the test fixture.
+     * <p>
+     * Calls {@link android.content.ContentProvider#shutdown()} on the
+     * {@link android.content.ContentProvider} represented by mProvider.
+     */
+    @Override
+    protected void tearDown() throws Exception {
+        mProvider.shutdown();
+        super.tearDown();
+    }
+
+    /**
+     * Gets the {@link MockContentResolver2} created by this class during initialization. You
+     * must use the methods of this resolver to access the provider under test.
+     *
+     * @return A {@link MockContentResolver2} instance.
+     */
+    public MockContentResolver2 getMockContentResolver() {
+        return mResolver;
+    }
+
+    /**
+     * Gets the {@link IsolatedContext} created by this class during initialization.
+     * @return The {@link IsolatedContext} instance
+     */
+    public IsolatedContext getMockContext() {
+        return mProviderContext;
+    }
+
+    public void registerContentObserver(Uri uri, boolean notifyForDescendents,
+            ContentObserver observer) {
+        mResolver.safeRegisterContentObserver(uri, notifyForDescendents, observer);
+    }
+
+    public void unregisterContentObserver(ContentObserver observer) {
+        mResolver.safeUnregisterContentObserver(observer);
+    }
+
+}