Load app resource as shared library.

- Added aapt command line flag --app-as-shared-lib to build app resources
  that could be loaded as shared lib at runtime.
- Added new method AssetManager.addAssetPathAsSharedLibrary() to load an
  app resource as shared library.

Bug 22487604

Change-Id: Ib9b33c35f9c2b7129f3ba205de03d4564623ea39
diff --git a/libs/androidfw/tests/AppAsLib_test.cpp b/libs/androidfw/tests/AppAsLib_test.cpp
new file mode 100644
index 0000000..bdb0c3d
--- /dev/null
+++ b/libs/androidfw/tests/AppAsLib_test.cpp
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#include <androidfw/ResourceTypes.h>
+
+#include "data/basic/R.h"
+#include "data/appaslib/R.h"
+
+#include <gtest/gtest.h>
+
+using namespace android;
+
+namespace {
+
+#include "data/basic/basic_arsc.h"
+
+TEST(AppAsLibTest, loadedAsApp) {
+  ResTable table;
+  ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));
+
+  Res_value val;
+  ssize_t block = table.getResource(base::R::integer::number2, &val);
+  ASSERT_GE(block, 0);
+  ASSERT_EQ(Res_value::TYPE_REFERENCE, val.dataType);
+  ASSERT_EQ(base::R::array::integerArray1, val.data);
+}
+
+TEST(AppAsLibTest, loadedAsSharedLib) {
+  ResTable table;
+  // Load as shared library.
+  ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len, NULL, 0, -1, false, true));
+
+  Res_value val;
+  ssize_t block = table.getResource(appaslib::R::integer::number2, &val);
+  ASSERT_GE(block, 0);
+  ASSERT_EQ(Res_value::TYPE_REFERENCE, val.dataType);
+  ASSERT_EQ(appaslib::R::array::integerArray1, val.data);
+}
+
+}