1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <string> 18 #include <vector> 19 20 #include <android-base/strings.h> 21 #include <android-base/test_utils.h> 22 #include <bootloader_message/bootloader_message.h> 23 #include <gtest/gtest.h> 24 25 TEST(BootloaderMessageTest, read_and_write_bootloader_message) { 26 TemporaryFile temp_misc; 27 28 // Write the BCB. 29 bootloader_message boot = {}; 30 strlcpy(boot.command, "command", sizeof(boot.command)); 31 strlcpy(boot.recovery, "message1\nmessage2\n", sizeof(boot.recovery)); 32 strlcpy(boot.status, "status1", sizeof(boot.status)); 33 34 std::string err; 35 ASSERT_TRUE(write_bootloader_message_to(boot, temp_misc.path, &err)) 36 << "Failed to write BCB: " << err; 37 38 // Read and verify. 39 bootloader_message boot_verify; 40 ASSERT_TRUE(read_bootloader_message_from(&boot_verify, temp_misc.path, &err)) 41 << "Failed to read BCB: " << err; 42 43 ASSERT_EQ(std::string(reinterpret_cast<const char*>(&boot), sizeof(boot)), 44 std::string(reinterpret_cast<const char*>(&boot_verify), sizeof(boot_verify))); 45 } 46 47 TEST(BootloaderMessageTest, update_bootloader_message_in_struct) { 48 // Write the options to BCB. 49 std::vector<std::string> options = { "option1", "option2" }; 50 51 bootloader_message boot = {}; 52 // Inject some bytes into boot. 53 strlcpy(boot.recovery, "random message", sizeof(boot.recovery)); 54 strlcpy(boot.status, "status bytes", sizeof(boot.status)); 55 strlcpy(boot.stage, "stage bytes", sizeof(boot.stage)); 56 strlcpy(boot.reserved, "reserved bytes", sizeof(boot.reserved)); 57 58 ASSERT_TRUE(update_bootloader_message_in_struct(&boot, options)); 59 60 // Verify that command and recovery fields should be set. 61 ASSERT_EQ("boot-recovery", std::string(boot.command)); 62 std::string expected = "recovery\n" + android::base::Join(options, "\n") + "\n"; 63 ASSERT_EQ(expected, std::string(boot.recovery)); 64 65 // The rest should be intact. 66 ASSERT_EQ("status bytes", std::string(boot.status)); 67 ASSERT_EQ("stage bytes", std::string(boot.stage)); 68 ASSERT_EQ("reserved bytes", std::string(boot.reserved)); 69 } 70 71 TEST(BootloaderMessageTest, update_bootloader_message_recovery_options_empty) { 72 // Write empty vector. 73 std::vector<std::string> options; 74 75 // Read and verify. 76 bootloader_message boot = {}; 77 ASSERT_TRUE(update_bootloader_message_in_struct(&boot, options)); 78 79 // command and recovery fields should be set. 80 ASSERT_EQ("boot-recovery", std::string(boot.command)); 81 ASSERT_EQ("recovery\n", std::string(boot.recovery)); 82 83 // The rest should be empty. 84 ASSERT_EQ(std::string(sizeof(boot.status), '\0'), std::string(boot.status, sizeof(boot.status))); 85 ASSERT_EQ(std::string(sizeof(boot.stage), '\0'), std::string(boot.stage, sizeof(boot.stage))); 86 ASSERT_EQ(std::string(sizeof(boot.reserved), '\0'), 87 std::string(boot.reserved, sizeof(boot.reserved))); 88 } 89 90 TEST(BootloaderMessageTest, update_bootloader_message_recovery_options_long) { 91 // Write super long message. 92 std::vector<std::string> options; 93 for (int i = 0; i < 100; i++) { 94 options.push_back("option: " + std::to_string(i)); 95 } 96 97 // Read and verify. 98 bootloader_message boot = {}; 99 ASSERT_TRUE(update_bootloader_message_in_struct(&boot, options)); 100 101 // Make sure it's long enough. 102 std::string expected = "recovery\n" + android::base::Join(options, "\n") + "\n"; 103 ASSERT_GE(expected.size(), sizeof(boot.recovery)); 104 105 // command and recovery fields should be set. 106 ASSERT_EQ("boot-recovery", std::string(boot.command)); 107 ASSERT_EQ(expected.substr(0, sizeof(boot.recovery) - 1), std::string(boot.recovery)); 108 ASSERT_EQ('\0', boot.recovery[sizeof(boot.recovery) - 1]); 109 110 // The rest should be empty. 111 ASSERT_EQ(std::string(sizeof(boot.status), '\0'), std::string(boot.status, sizeof(boot.status))); 112 ASSERT_EQ(std::string(sizeof(boot.stage), '\0'), std::string(boot.stage, sizeof(boot.stage))); 113 ASSERT_EQ(std::string(sizeof(boot.reserved), '\0'), 114 std::string(boot.reserved, sizeof(boot.reserved))); 115 } 116 117
