[sync] Add java InvalidationController for Android.

base/test/android/javatests/src/org/chromium/base/test/util/AdvancedMockContext.java

+// Copyright (c) 2013 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.base.test.util;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.ContextWrapper;
+import android.content.SharedPreferences;
+import android.test.mock.MockContentResolver;
+import android.test.mock.MockContext;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * ContextWrapper that adds functionality for SharedPreferences and a way to set and retrieve flags.
+ */
+public class AdvancedMockContext extends ContextWrapper {
+
+    private final MockContentResolver mMockContentResolver = new MockContentResolver();
+
+    private final Map<String, SharedPreferences> mSharedPreferences =
+            new HashMap<String, SharedPreferences>();
+
+    private final Map<String, Boolean> flags = new HashMap<String, Boolean>();
+
+    public AdvancedMockContext(Context base) {
+        super(base);
+    }
+
+    public AdvancedMockContext() {
+        super(new MockContext());
+    }
+
+    @Override
+    public String getPackageName() {
+        return getBaseContext().getPackageName();
+    }
+
+    @Override
+    public Context getApplicationContext() {
+        return this;
+    }
+
+    @Override
+    public ContentResolver getContentResolver() {
+        return mMockContentResolver;
+    }
+
+    public MockContentResolver getMockContentResolver() {
+        return mMockContentResolver;
+    }
+
+    @Override
+    public SharedPreferences getSharedPreferences(String name, int mode) {
+        synchronized (mSharedPreferences) {
+            if (!mSharedPreferences.containsKey(name)) {
+                // Auto-create shared preferences to mimic Android Context behavior
+                mSharedPreferences.put(name, new InMemorySharedPreferences());
+            }
+            return mSharedPreferences.get(name);
+        }
+    }
+
+    public void addSharedPreferences(String name, Map<String, Object> data) {
+        synchronized (mSharedPreferences) {
+            mSharedPreferences.put(name, new InMemorySharedPreferences(data));
+        }
+    }
+
+    public void setFlag(String key) {
+        flags.put(key, true);
+    }
+
+    public void clearFlag(String key) {
+        flags.remove(key);
+    }
+
+    public boolean isFlagSet(String key) {
+        return flags.containsKey(key) && flags.get(key);
+    }
+
+    public static class MapBuilder {
+
+        private final Map<String, Object> mData = new HashMap<String, Object>();
+
+        public static MapBuilder create() {
+            return new MapBuilder();
+        }
+
+        public MapBuilder add(String key, Object value) {
+            mData.put(key, value);
+            return this;
+        }
+
+        public Map<String, Object> build() {
+            return mData;
+        }
+
+    }
+}