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-rw-r--r--tests/component/bootloader_message_test.cpp165
1 files changed, 165 insertions, 0 deletions
diff --git a/tests/component/bootloader_message_test.cpp b/tests/component/bootloader_message_test.cpp
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+++ b/tests/component/bootloader_message_test.cpp
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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 <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)));
+}
+
+TEST_F(BootloaderMessageTest, update_bootloader_message) {
+ // Inject some bytes into boot, which should be not overwritten later.
+ bootloader_message boot;
+ strlcpy(boot.recovery, "random message", sizeof(boot.recovery));
+ strlcpy(boot.reserved, "reserved bytes", sizeof(boot.reserved));
+ std::string err;
+ ASSERT_TRUE(write_bootloader_message(boot, &err)) << "Failed to write BCB: " << err;
+
+ // Update the BCB message.
+ std::vector<std::string> options = { "option1", "option2" };
+ ASSERT_TRUE(update_bootloader_message(options, &err)) << "Failed to update BCB: " << err;
+
+ bootloader_message boot_verify;
+ ASSERT_TRUE(read_bootloader_message(&boot_verify, &err)) << "Failed to read BCB: " << err;
+
+ // Verify that command and recovery fields should be set.
+ ASSERT_EQ("boot-recovery", std::string(boot_verify.command));
+ std::string expected = "recovery\n" + android::base::Join(options, "\n") + "\n";
+ ASSERT_EQ(expected, std::string(boot_verify.recovery));
+
+ // The rest should be intact.
+ ASSERT_EQ(std::string(boot.status), std::string(boot_verify.status));
+ ASSERT_EQ(std::string(boot.stage), std::string(boot_verify.stage));
+ ASSERT_EQ(std::string(boot.reserved), std::string(boot_verify.reserved));
+}