Verify preinstalled apps don't have debuggable set.

Fix bug 3065312.  It is a security hole for applications to
ship with debuggable set.  Make sure we warn people about this.

Change-Id: Ie91d2479aa4512804ca2a9c4847c1abd40566f03
diff --git a/tests/tests/permission/src/android/permission/cts/DebuggableTest.java b/tests/tests/permission/src/android/permission/cts/DebuggableTest.java
new file mode 100644
index 0000000..fe4ed57
--- /dev/null
+++ b/tests/tests/permission/src/android/permission/cts/DebuggableTest.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2010 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.permission.cts;
+
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.test.AndroidTestCase;
+
+import java.util.List;
+
+/**
+ * Verify that pre-installed packages don't have the debuggable
+ * flag set.  The debuggable flag allows should only be used during
+ * development, and never for shipping devices.
+ */
+public class DebuggableTest extends AndroidTestCase {
+
+    public void testNoDebuggable() {
+        List<ApplicationInfo> apps = getContext()
+                .getPackageManager()
+                .getInstalledApplications(PackageManager.GET_UNINSTALLED_PACKAGES);
+        for (ApplicationInfo app : apps) {
+            String appName = app.packageName;
+            assertTrue("Package " + appName + " is marked as debuggable.",
+                    (app.flags & ApplicationInfo.FLAG_DEBUGGABLE) == 0);
+        }
+    }
+}