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/*
* Copyright (C) 2016 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 <memory>
#include <string>
#include <string_view>
#include <vector>
#include <android-base/file.h>
#include <bootloader_message/bootloader_message.h>
#include <gtest/gtest.h>
#include "misc_writer/misc_writer.h"
using namespace std::string_literals;
namespace android {
namespace hardware {
namespace google {
namespace pixel {
class MiscWriterTest : public ::testing::Test {
protected:
void TearDown() override {
// Clear the vendor space.
auto zeros = std::string(WIPE_PACKAGE_OFFSET_IN_MISC - VENDOR_SPACE_OFFSET_IN_MISC, 0);
std::string err;
ASSERT_TRUE(MiscWriter::WriteMiscPartitionVendorSpace(zeros.data(), zeros.size(), 0, &err))
<< err;
}
void CheckMiscPartitionVendorSpaceContent(size_t offset, const std::string& expected);
std::unique_ptr<MiscWriter> misc_writer_;
};
void MiscWriterTest::CheckMiscPartitionVendorSpaceContent(size_t offset,
const std::string& expected) {
ASSERT_TRUE(MiscWriter::OffsetAndSizeInVendorSpace(offset, expected.size()));
std::string err;
auto misc_blk_device = get_misc_blk_device(&err);
ASSERT_FALSE(misc_blk_device.empty());
android::base::unique_fd fd(open(misc_blk_device.c_str(), O_RDONLY));
ASSERT_NE(-1, fd);
std::string content(expected.size(), 0);
ASSERT_TRUE(android::base::ReadFullyAtOffset(fd, content.data(), content.size(),
VENDOR_SPACE_OFFSET_IN_MISC + offset));
ASSERT_EQ(expected, content);
}
TEST_F(MiscWriterTest, SetClearDarkTheme) {
misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kSetDarkThemeFlag);
ASSERT_TRUE(misc_writer_);
ASSERT_TRUE(misc_writer_->PerformAction());
std::string expected = "theme-dark";
CheckMiscPartitionVendorSpaceContent(0, expected);
misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kClearDarkThemeFlag);
ASSERT_TRUE(misc_writer_->PerformAction());
std::string zeros(expected.size(), 0);
CheckMiscPartitionVendorSpaceContent(0, zeros);
}
TEST_F(MiscWriterTest, SetClearDarkTheme_OffsetOverride) {
misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kSetDarkThemeFlag);
size_t offset = 12360;
ASSERT_TRUE(misc_writer_->PerformAction(offset));
std::string expected = "theme-dark";
CheckMiscPartitionVendorSpaceContent(offset, expected);
misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kClearDarkThemeFlag);
ASSERT_TRUE(misc_writer_->PerformAction(offset));
std::string zeros(expected.size(), 0);
CheckMiscPartitionVendorSpaceContent(offset, zeros);
}
TEST_F(MiscWriterTest, SetClearSota) {
misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kSetSotaFlag);
ASSERT_TRUE(misc_writer_);
ASSERT_TRUE(misc_writer_->PerformAction());
std::string expected = "enable-sota";
CheckMiscPartitionVendorSpaceContent(32, expected);
// Test we can write to the override offset.
size_t override_offset = 12360;
ASSERT_FALSE(misc_writer_->PerformAction(override_offset));
CheckMiscPartitionVendorSpaceContent(override_offset, expected);
misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kClearSotaFlag);
ASSERT_TRUE(misc_writer_->PerformAction());
std::string zeros(expected.size(), 0);
CheckMiscPartitionVendorSpaceContent(32, zeros);
}
TEST_F(MiscWriterTest, WriteMiscPartitionVendorSpace) {
std::string kTestMessage = "kTestMessage";
std::string err;
ASSERT_TRUE(
MiscWriter::WriteMiscPartitionVendorSpace(kTestMessage.data(), kTestMessage.size(), 0, &err));
CheckMiscPartitionVendorSpaceContent(0, kTestMessage);
// Write with an offset.
ASSERT_TRUE(MiscWriter::WriteMiscPartitionVendorSpace("\x00\x00", 2, 5, &err));
CheckMiscPartitionVendorSpaceContent(0, "kTest\x00\x00ssage"s);
// Write with the right size.
auto start_offset =
WIPE_PACKAGE_OFFSET_IN_MISC - VENDOR_SPACE_OFFSET_IN_MISC - kTestMessage.size();
ASSERT_TRUE(MiscWriter::WriteMiscPartitionVendorSpace(kTestMessage.data(), kTestMessage.size(),
start_offset, &err));
// Out-of-bound write.
ASSERT_FALSE(MiscWriter::WriteMiscPartitionVendorSpace(kTestMessage.data(), kTestMessage.size(),
start_offset + 1, &err));
// Message won't fit.
std::string long_message(WIPE_PACKAGE_OFFSET_IN_MISC - VENDOR_SPACE_OFFSET_IN_MISC + 1, 'a');
ASSERT_FALSE(
MiscWriter::WriteMiscPartitionVendorSpace(long_message.data(), long_message.size(), 0, &err));
}
} // namespace pixel
} // namespace google
} // namespace hardware
} // namespace android