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diff --git a/test-runner/src/android/test/mock/MockContentProvider.java b/test-runner/src/android/test/mock/MockContentProvider.java
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+/*
+ * Copyright (C) 2009 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 android.test.mock;
+
+import android.content.ContentProvider;
+import android.content.ContentProviderOperation;
+import android.content.ContentProviderResult;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.EntityIterator;
+import android.content.IContentProvider;
+import android.content.OperationApplicationException;
+import android.content.pm.PathPermission;
+import android.content.pm.ProviderInfo;
+import android.content.res.AssetFileDescriptor;
+import android.database.Cursor;
+import android.database.CursorWindow;
+import android.database.IBulkCursor;
+import android.database.IContentObserver;
+import android.net.Uri;
+import android.os.IBinder;
+import android.os.ParcelFileDescriptor;
+import android.os.RemoteException;
+
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+
+/**
+ * Mock implementation of ContentProvider.  All methods are non-functional and throw
+ * {@link java.lang.UnsupportedOperationException}.  Tests can extend this class to
+ * implement behavior needed for tests.
+ */
+public class MockContentProvider extends ContentProvider {
+    /*
+     * Note: if you add methods to ContentProvider, you must add similar methods to
+     *       MockContentProvider.
+     */
+
+    /**
+     * IContentProvider that directs all calls to this MockContentProvider.
+     */
+    private class InversionIContentProvider implements IContentProvider {
+        @SuppressWarnings("unused")
+        public ContentProviderResult[] applyBatch(ArrayList<ContentProviderOperation> operations)
+                throws RemoteException, OperationApplicationException {
+            return MockContentProvider.this.applyBatch(operations);
+        }
+
+        @SuppressWarnings("unused")
+        public int bulkInsert(Uri url, ContentValues[] initialValues) throws RemoteException {
+            return MockContentProvider.this.bulkInsert(url, initialValues);
+        }
+
+        @SuppressWarnings("unused")
+        public IBulkCursor bulkQuery(Uri url, String[] projection, String selection,
+                String[] selectionArgs, String sortOrder, IContentObserver observer,
+                CursorWindow window) throws RemoteException {
+            throw new UnsupportedOperationException("Must not come here");
+        }
+
+        @SuppressWarnings("unused")
+        public int delete(Uri url, String selection, String[] selectionArgs)
+                throws RemoteException {
+            return MockContentProvider.this.delete(url, selection, selectionArgs);
+        }
+
+        @SuppressWarnings("unused")
+        public String getType(Uri url) throws RemoteException {
+            return MockContentProvider.this.getType(url);
+        }
+
+        @SuppressWarnings("unused")
+        public Uri insert(Uri url, ContentValues initialValues) throws RemoteException {
+            return MockContentProvider.this.insert(url, initialValues);
+        }
+
+        @SuppressWarnings("unused")
+        public AssetFileDescriptor openAssetFile(Uri url, String mode) throws RemoteException,
+                FileNotFoundException {
+            return MockContentProvider.this.openAssetFile(url, mode);
+        }
+
+        @SuppressWarnings("unused")
+        public ParcelFileDescriptor openFile(Uri url, String mode) throws RemoteException,
+                FileNotFoundException {
+            return MockContentProvider.this.openFile(url, mode);
+        }
+
+        @SuppressWarnings("unused")
+        public Cursor query(Uri url, String[] projection, String selection, String[] selectionArgs,
+                String sortOrder) throws RemoteException {
+            return MockContentProvider.this.query(url, projection, selection,
+                    selectionArgs, sortOrder);
+        }
+
+        @SuppressWarnings("unused")
+        public int update(Uri url, ContentValues values, String selection, String[] selectionArgs)
+                throws RemoteException {
+            return MockContentProvider.this.update(url, values, selection, selectionArgs);
+        }
+
+        public IBinder asBinder() {
+            throw new UnsupportedOperationException();
+        }
+
+    }
+    private final InversionIContentProvider mIContentProvider = new InversionIContentProvider();
+
+    /**
+     * A constructor using {@link MockContext} instance as a Context in it.
+     */
+    protected MockContentProvider() {
+        super(new MockContext(), "", "", null);
+    }
+
+    /**
+     * A constructor accepting a Context instance, which is supposed to be the subclasss of
+     * {@link MockContext}.
+     */
+    public MockContentProvider(Context context) {
+        super(context, "", "", null);
+    }
+
+    /**
+     * A constructor which initialize four member variables which
+     * {@link android.content.ContentProvider} have internally.
+     *
+     * @param context A Context object which should be some mock instance (like the
+     * instance of {@link android.test.mock.MockContext}).
+     * @param readPermission The read permision you want this instance should have in the
+     * test, which is available via {@link #getReadPermission()}.
+     * @param writePermission The write permission you want this instance should have
+     * in the test, which is available via {@link #getWritePermission()}.
+     * @param pathPermissions The PathPermissions you want this instance should have
+     * in the test, which is available via {@link #getPathPermissions()}.
+     */
+    public MockContentProvider(Context context,
+            String readPermission,
+            String writePermission,
+            PathPermission[] pathPermissions) {
+        super(context, readPermission, writePermission, pathPermissions);
+    }
+
+    @Override
+    public int delete(Uri uri, String selection, String[] selectionArgs) {
+        throw new UnsupportedOperationException("unimplemented mock method");
+    }
+
+    @Override
+    public String getType(Uri uri) {
+        throw new UnsupportedOperationException("unimplemented mock method");
+    }
+
+    @Override
+    public Uri insert(Uri uri, ContentValues values) {
+        throw new UnsupportedOperationException("unimplemented mock method");
+    }
+
+    @Override
+    public boolean onCreate() {
+        throw new UnsupportedOperationException("unimplemented mock method");
+    }
+
+    @Override
+    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
+            String sortOrder) {
+        throw new UnsupportedOperationException("unimplemented mock method");
+    }
+
+    @Override
+    public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
+        throw new UnsupportedOperationException("unimplemented mock method");
+    }
+
+    /**
+     * If you're reluctant to implement this manually, please just call super.bulkInsert().
+     */
+    @Override
+    public int bulkInsert(Uri uri, ContentValues[] values) {
+        throw new UnsupportedOperationException("unimplemented mock method");
+    }
+
+    @Override
+    public void attachInfo(Context context, ProviderInfo info) {
+        throw new UnsupportedOperationException("unimplemented mock method");
+    }
+
+    @Override
+    public ContentProviderResult[] applyBatch(ArrayList<ContentProviderOperation> operations) {
+        throw new UnsupportedOperationException("unimplemented mock method");
+    }
+
+    /**
+     * Returns IContentProvider which calls back same methods in this class.
+     * By overriding this class, we avoid the mechanism hidden behind ContentProvider
+     * (IPC, etc.)
+     *
+     * @hide
+     */
+    @Override
+    public final IContentProvider getIContentProvider() {
+        return mIContentProvider;
+    }
+}