| /* |
| * 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 <android-base/strings.h> |
| #include <bootloader_message/bootloader_message.h> |
| #include <gtest/gtest.h> |
| |
| #include <string> |
| #include <vector> |
| |
| class BootloaderMessageTest : public ::testing::Test { |
| protected: |
| virtual void TearDown() override { |
| // Clear the BCB. |
| std::string err; |
| ASSERT_TRUE(clear_bootloader_message(&err)) << "Failed to clear BCB: " << err; |
| } |
| }; |
| |
| TEST_F(BootloaderMessageTest, clear_bootloader_message) { |
| // Clear the BCB. |
| std::string err; |
| ASSERT_TRUE(clear_bootloader_message(&err)) << "Failed to clear BCB: " << err; |
| |
| // Verify the content. |
| bootloader_message boot; |
| ASSERT_TRUE(read_bootloader_message(&boot, &err)) << "Failed to read BCB: " << err; |
| |
| // All the bytes should be cleared. |
| ASSERT_EQ(std::string(sizeof(boot), '\0'), |
| std::string(reinterpret_cast<const char*>(&boot), sizeof(boot))); |
| } |
| |
| TEST_F(BootloaderMessageTest, read_and_write_bootloader_message) { |
| // Write the BCB. |
| bootloader_message boot = {}; |
| strlcpy(boot.command, "command", sizeof(boot.command)); |
| strlcpy(boot.recovery, "message1\nmessage2\n", sizeof(boot.recovery)); |
| strlcpy(boot.status, "status1", sizeof(boot.status)); |
| |
| std::string err; |
| ASSERT_TRUE(write_bootloader_message(boot, &err)) << "Failed to write BCB: " << err; |
| |
| // Read and verify. |
| bootloader_message boot_verify; |
| ASSERT_TRUE(read_bootloader_message(&boot_verify, &err)) << "Failed to read BCB: " << err; |
| |
| ASSERT_EQ(std::string(reinterpret_cast<const char*>(&boot), sizeof(boot)), |
| std::string(reinterpret_cast<const char*>(&boot_verify), sizeof(boot_verify))); |
| } |
| |
| TEST_F(BootloaderMessageTest, write_bootloader_message_options) { |
| // Write the options to BCB. |
| std::vector<std::string> options = { "option1", "option2" }; |
| std::string err; |
| ASSERT_TRUE(write_bootloader_message(options, &err)) << "Failed to write BCB: " << err; |
| |
| // Inject some bytes into boot, which should be overwritten while reading. |
| bootloader_message boot; |
| strlcpy(boot.recovery, "random message", sizeof(boot.recovery)); |
| strlcpy(boot.reserved, "reserved bytes", sizeof(boot.reserved)); |
| |
| ASSERT_TRUE(read_bootloader_message(&boot, &err)) << "Failed to read BCB: " << err; |
| |
| // Verify that command and recovery fields should be set. |
| ASSERT_EQ("boot-recovery", std::string(boot.command)); |
| std::string expected = "recovery\n" + android::base::Join(options, "\n") + "\n"; |
| ASSERT_EQ(expected, std::string(boot.recovery)); |
| |
| // The rest should be cleared. |
| ASSERT_EQ(std::string(sizeof(boot.status), '\0'), std::string(boot.status, sizeof(boot.status))); |
| ASSERT_EQ(std::string(sizeof(boot.stage), '\0'), std::string(boot.stage, sizeof(boot.stage))); |
| ASSERT_EQ(std::string(sizeof(boot.reserved), '\0'), |
| std::string(boot.reserved, sizeof(boot.reserved))); |
| } |
| |
| TEST_F(BootloaderMessageTest, write_bootloader_message_options_empty) { |
| // Write empty vector. |
| std::vector<std::string> options; |
| std::string err; |
| ASSERT_TRUE(write_bootloader_message(options, &err)) << "Failed to write BCB: " << err; |
| |
| // Read and verify. |
| bootloader_message boot; |
| ASSERT_TRUE(read_bootloader_message(&boot, &err)) << "Failed to read BCB: " << err; |
| |
| // command and recovery fields should be set. |
| ASSERT_EQ("boot-recovery", std::string(boot.command)); |
| ASSERT_EQ("recovery\n", std::string(boot.recovery)); |
| |
| // The rest should be cleared. |
| ASSERT_EQ(std::string(sizeof(boot.status), '\0'), std::string(boot.status, sizeof(boot.status))); |
| ASSERT_EQ(std::string(sizeof(boot.stage), '\0'), std::string(boot.stage, sizeof(boot.stage))); |
| ASSERT_EQ(std::string(sizeof(boot.reserved), '\0'), |
| std::string(boot.reserved, sizeof(boot.reserved))); |
| } |
| |
| TEST_F(BootloaderMessageTest, write_bootloader_message_options_long) { |
| // Write super long message. |
| std::vector<std::string> options; |
| for (int i = 0; i < 100; i++) { |
| options.push_back("option: " + std::to_string(i)); |
| } |
| |
| std::string err; |
| ASSERT_TRUE(write_bootloader_message(options, &err)) << "Failed to write BCB: " << err; |
| |
| // Read and verify. |
| bootloader_message boot; |
| ASSERT_TRUE(read_bootloader_message(&boot, &err)) << "Failed to read BCB: " << err; |
| |
| // Make sure it's long enough. |
| std::string expected = "recovery\n" + android::base::Join(options, "\n") + "\n"; |
| ASSERT_GE(expected.size(), sizeof(boot.recovery)); |
| |
| // command and recovery fields should be set. |
| ASSERT_EQ("boot-recovery", std::string(boot.command)); |
| ASSERT_EQ(expected.substr(0, sizeof(boot.recovery) - 1), std::string(boot.recovery)); |
| ASSERT_EQ('\0', boot.recovery[sizeof(boot.recovery) - 1]); |
| |
| // The rest should be cleared. |
| ASSERT_EQ(std::string(sizeof(boot.status), '\0'), std::string(boot.status, sizeof(boot.status))); |
| ASSERT_EQ(std::string(sizeof(boot.stage), '\0'), std::string(boot.stage, sizeof(boot.stage))); |
| ASSERT_EQ(std::string(sizeof(boot.reserved), '\0'), |
| std::string(boot.reserved, sizeof(boot.reserved))); |
| } |