1 files changed, 60 insertions, 0 deletions
diff --git a/libs/androidfw/tests/PackageIdOverride_test.cpp b/libs/androidfw/tests/PackageIdOverride_test.cpp
new file mode 100644
index 0000000..dc59e45
--- /dev/null
+++ b/libs/androidfw/tests/PackageIdOverride_test.cpp
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ * Copyright (C) 2014 The CyanogenMod 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 <utils/String8.h>
+#include <utils/String16.h>
+#include "TestHelpers.h"
+#include "data/override/R.h"
+
+#include <gtest/gtest.h>
+
+using namespace android;
+
+namespace {
+
+#include "data/override/override_arsc.h"
+
+TEST(PackageIdOverrideTest, shouldOverridePackageId) {
+    const uint32_t pkgIdOverride = 0x42;
+    ResTable table;
+    ASSERT_EQ(NO_ERROR, table.add(override_arsc, override_arsc_len, NULL, 0, -1, false,
+            pkgIdOverride));
+
+    Res_value val;
+    // we should not be able to retrieve the resource using the build time package id
+    uint32_t resId = override::R::string::string1;
+    ssize_t block = table.getResource(resId, &val, false);
+    ASSERT_LT(block, 0);
+
+    // now make sure we can access the resource using the runtime package id
+    resId = (override::R::string::string1 & 0x00ffffff) | (pkgIdOverride << 24);
+    block = table.getResource(resId, &val, false);
+    ASSERT_GE(block, 0);
+    ASSERT_EQ(Res_value::TYPE_STRING, val.dataType);
+    const ResStringPool* pool = table.getTableStringBlock(block);
+    ASSERT_TRUE(pool != NULL);
+    ASSERT_LT(val.data, pool->size());
+
+    size_t strLen;
+    const char16_t* targetStr16 = pool->stringAt(val.data, &strLen);
+    ASSERT_TRUE(targetStr16 != NULL);
+    ASSERT_EQ(String16("string1"), String16(targetStr16, strLen));
+}
+
+}