1 files changed, 25 insertions, 1 deletions
diff --git a/test-runner/android/test/IsolatedContext.java b/test-runner/android/test/IsolatedContext.java
index 2866666..4bd9528 100644
--- a/test-runner/android/test/IsolatedContext.java
+++ b/test-runner/android/test/IsolatedContext.java
@@ -2,6 +2,8 @@ package android.test;
 
 import com.google.android.collect.Lists;
 
+import android.accounts.AccountManager;
+import android.accounts.OnAccountsUpdatedListener;
 import android.content.ContextWrapper;
 import android.content.ContentResolver;
 import android.content.Intent;
@@ -11,8 +13,11 @@ import android.content.BroadcastReceiver;
 import android.content.IntentFilter;
 import android.content.pm.PackageManager;
 import android.net.Uri;
+import android.os.Handler;
+import android.os.Looper;
 
 import java.util.List;
+import java.io.File;
 
 /**
      * A mock context which prevents its users from talking to the rest of the device while
@@ -21,6 +26,7 @@ import java.util.List;
 public class IsolatedContext extends ContextWrapper {
 
     private ContentResolver mResolver;
+    private final MockAccountManager mMockAccountManager;
 
     private List<Intent> mBroadcastIntents = Lists.newArrayList();
 
@@ -28,6 +34,7 @@ public class IsolatedContext extends ContextWrapper {
             ContentResolver resolver, Context targetContext) {
         super(targetContext);
         mResolver = resolver;
+        mMockAccountManager = new MockAccountManager();
     }
 
     /** Returns the list of intents that were broadcast since the last call to this method. */
@@ -78,8 +85,25 @@ public class IsolatedContext extends ContextWrapper {
 
     @Override
     public Object getSystemService(String name) {
-        // No services exist in this context.
+        if (Context.ACCOUNT_SERVICE.equals(name)) {
+            return mMockAccountManager;
+        }
+        // No other services exist in this context.
         return null;
     }
 
+    private class MockAccountManager extends AccountManager {
+        public MockAccountManager() {
+            super(IsolatedContext.this, null /* IAccountManager */, null /* handler */);
+        }
+
+        public void addOnAccountsUpdatedListener(OnAccountsUpdatedListener listener,
+                Handler handler, boolean updateImmediately) {
+            // do nothing
+        }
+    }
+    @Override
+    public File getFilesDir() {
+        return new File("/dev/null");
+    }
 }