blob: 10b83a75304d5099b46d1f76317a4ac963eca173 [file] [log] [blame]
/*
* Copyright (C) 2014 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 "utils/String16.h"
#include "utils/String8.h"
#include "TestHelpers.h"
#include "data/basic/R.h"
using ::com::android::basic::R;
namespace android {
class IdmapTest : public ::testing::Test {
protected:
void SetUp() override {
std::string contents;
ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk", "resources.arsc",
&contents));
ASSERT_EQ(NO_ERROR, target_table_.add(contents.data(), contents.size(), 0, true));
ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/overlay/overlay.apk",
"resources.arsc", &overlay_data_));
ResTable overlay_table;
ASSERT_EQ(NO_ERROR, overlay_table.add(overlay_data_.data(), overlay_data_.size()));
char target_name[256] = "com.android.basic";
ASSERT_EQ(NO_ERROR, overlay_table.createIdmap(target_table_, 0, 0, target_name, target_name,
&data_, &data_size_));
}
void TearDown() override {
::free(data_);
}
ResTable target_table_;
std::string overlay_data_;
void* data_ = nullptr;
size_t data_size_ = 0;
};
TEST_F(IdmapTest, CanLoadIdmap) {
ASSERT_EQ(NO_ERROR,
target_table_.add(overlay_data_.data(), overlay_data_.size(), data_, data_size_));
}
TEST_F(IdmapTest, OverlayOverridesResourceValue) {
Res_value val;
ssize_t block = target_table_.getResource(R::string::test2, &val, false);
ASSERT_GE(block, 0);
ASSERT_EQ(Res_value::TYPE_STRING, val.dataType);
const ResStringPool* pool = target_table_.getTableStringBlock(block);
ASSERT_TRUE(pool != NULL);
ASSERT_LT(val.data, pool->size());
size_t str_len;
const char16_t* target_str16 = pool->stringAt(val.data, &str_len);
ASSERT_TRUE(target_str16 != NULL);
ASSERT_EQ(String16("test2"), String16(target_str16, str_len));
ASSERT_EQ(NO_ERROR,
target_table_.add(overlay_data_.data(), overlay_data_.size(), data_, data_size_));
ssize_t new_block = target_table_.getResource(R::string::test2, &val, false);
ASSERT_GE(new_block, 0);
ASSERT_NE(block, new_block);
ASSERT_EQ(Res_value::TYPE_STRING, val.dataType);
pool = target_table_.getTableStringBlock(new_block);
ASSERT_TRUE(pool != NULL);
ASSERT_LT(val.data, pool->size());
target_str16 = pool->stringAt(val.data, &str_len);
ASSERT_TRUE(target_str16 != NULL);
ASSERT_EQ(String16("test2-overlay"), String16(target_str16, str_len));
}
TEST_F(IdmapTest, OverlaidResourceHasSameName) {
ASSERT_EQ(NO_ERROR,
target_table_.add(overlay_data_.data(), overlay_data_.size(), data_, data_size_));
ResTable::resource_name res_name;
ASSERT_TRUE(target_table_.getResourceName(R::array::integerArray1, true, &res_name));
ASSERT_TRUE(res_name.package != NULL);
ASSERT_TRUE(res_name.type != NULL);
ASSERT_TRUE(res_name.name8 != NULL);
EXPECT_EQ(String16("com.android.basic"), String16(res_name.package, res_name.packageLen));
EXPECT_EQ(String16("array"), String16(res_name.type, res_name.typeLen));
EXPECT_EQ(String8("integerArray1"), String8(res_name.name8, res_name.nameLen));
}
constexpr const uint32_t kNonOverlaidResourceId = 0x7fff0000u;
TEST_F(IdmapTest, OverlayDoesNotIncludeNonOverlaidResources) {
// First check that the resource we're trying to not include when overlaid is present when
// the overlay is loaded as a standalone APK.
ResTable table;
ASSERT_EQ(NO_ERROR, table.add(overlay_data_.data(), overlay_data_.size(), 0, true));
Res_value val;
ssize_t block = table.getResource(kNonOverlaidResourceId, &val, false /*mayBeBag*/);
ASSERT_GE(block, 0);
// Now add the overlay and verify that the unoverlaid resource is gone.
ASSERT_EQ(NO_ERROR,
target_table_.add(overlay_data_.data(), overlay_data_.size(), data_, data_size_));
block = target_table_.getResource(kNonOverlaidResourceId, &val, false /*mayBeBag*/);
ASSERT_LT(block, 0);
}
} // namespace