141 lines
5.2 KiB
C++
141 lines
5.2 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <memory>
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#include <string>
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#include <string_view>
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#include <vector>
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#include <android-base/file.h>
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#include <bootloader_message/bootloader_message.h>
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#include <gtest/gtest.h>
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#include "misc_writer/misc_writer.h"
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using namespace std::string_literals;
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namespace android {
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namespace hardware {
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namespace google {
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namespace pixel {
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class MiscWriterTest : public ::testing::Test {
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protected:
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void TearDown() override {
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// Clear the vendor space.
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auto zeros = std::string(WIPE_PACKAGE_OFFSET_IN_MISC - VENDOR_SPACE_OFFSET_IN_MISC, 0);
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std::string err;
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ASSERT_TRUE(MiscWriter::WriteMiscPartitionVendorSpace(zeros.data(), zeros.size(), 0, &err))
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<< err;
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}
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void CheckMiscPartitionVendorSpaceContent(size_t offset, const std::string& expected);
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std::unique_ptr<MiscWriter> misc_writer_;
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};
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void MiscWriterTest::CheckMiscPartitionVendorSpaceContent(size_t offset,
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const std::string& expected) {
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ASSERT_TRUE(MiscWriter::OffsetAndSizeInVendorSpace(offset, expected.size()));
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std::string err;
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auto misc_blk_device = get_misc_blk_device(&err);
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ASSERT_FALSE(misc_blk_device.empty());
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android::base::unique_fd fd(open(misc_blk_device.c_str(), O_RDONLY));
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ASSERT_NE(-1, fd);
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std::string content(expected.size(), 0);
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ASSERT_TRUE(android::base::ReadFullyAtOffset(fd, content.data(), content.size(),
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VENDOR_SPACE_OFFSET_IN_MISC + offset));
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ASSERT_EQ(expected, content);
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}
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TEST_F(MiscWriterTest, SetClearDarkTheme) {
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misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kSetDarkThemeFlag);
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ASSERT_TRUE(misc_writer_);
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ASSERT_TRUE(misc_writer_->PerformAction());
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std::string expected = "theme-dark";
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CheckMiscPartitionVendorSpaceContent(0, expected);
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misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kClearDarkThemeFlag);
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ASSERT_TRUE(misc_writer_->PerformAction());
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std::string zeros(expected.size(), 0);
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CheckMiscPartitionVendorSpaceContent(0, zeros);
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}
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TEST_F(MiscWriterTest, SetClearDarkTheme_OffsetOverride) {
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misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kSetDarkThemeFlag);
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size_t offset = 12360;
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ASSERT_TRUE(misc_writer_->PerformAction(offset));
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std::string expected = "theme-dark";
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CheckMiscPartitionVendorSpaceContent(offset, expected);
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misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kClearDarkThemeFlag);
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ASSERT_TRUE(misc_writer_->PerformAction(offset));
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std::string zeros(expected.size(), 0);
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CheckMiscPartitionVendorSpaceContent(offset, zeros);
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}
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TEST_F(MiscWriterTest, SetClearSota) {
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misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kSetSotaFlag);
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ASSERT_TRUE(misc_writer_);
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ASSERT_TRUE(misc_writer_->PerformAction());
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std::string expected = "enable-sota";
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CheckMiscPartitionVendorSpaceContent(32, expected);
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// Test we can write to the override offset.
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size_t override_offset = 12360;
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ASSERT_FALSE(misc_writer_->PerformAction(override_offset));
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CheckMiscPartitionVendorSpaceContent(override_offset, expected);
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misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kClearSotaFlag);
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ASSERT_TRUE(misc_writer_->PerformAction());
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std::string zeros(expected.size(), 0);
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CheckMiscPartitionVendorSpaceContent(32, zeros);
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}
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TEST_F(MiscWriterTest, WriteMiscPartitionVendorSpace) {
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std::string kTestMessage = "kTestMessage";
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std::string err;
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ASSERT_TRUE(
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MiscWriter::WriteMiscPartitionVendorSpace(kTestMessage.data(), kTestMessage.size(), 0, &err));
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CheckMiscPartitionVendorSpaceContent(0, kTestMessage);
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// Write with an offset.
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ASSERT_TRUE(MiscWriter::WriteMiscPartitionVendorSpace("\x00\x00", 2, 5, &err));
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CheckMiscPartitionVendorSpaceContent(0, "kTest\x00\x00ssage"s);
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// Write with the right size.
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auto start_offset =
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WIPE_PACKAGE_OFFSET_IN_MISC - VENDOR_SPACE_OFFSET_IN_MISC - kTestMessage.size();
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ASSERT_TRUE(MiscWriter::WriteMiscPartitionVendorSpace(kTestMessage.data(), kTestMessage.size(),
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start_offset, &err));
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// Out-of-bound write.
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ASSERT_FALSE(MiscWriter::WriteMiscPartitionVendorSpace(kTestMessage.data(), kTestMessage.size(),
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start_offset + 1, &err));
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// Message won't fit.
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std::string long_message(WIPE_PACKAGE_OFFSET_IN_MISC - VENDOR_SPACE_OFFSET_IN_MISC + 1, 'a');
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ASSERT_FALSE(
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MiscWriter::WriteMiscPartitionVendorSpace(long_message.data(), long_message.size(), 0, &err));
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}
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} // namespace pixel
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} // namespace google
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} // namespace hardware
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} // namespace android
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