1 files changed, 140 insertions, 0 deletions
diff --git a/misc_writer/misc_writer_test.cpp b/misc_writer/misc_writer_test.cpp
new file mode 100644
index 000000000..e8b207afd
--- /dev/null
+++ b/misc_writer/misc_writer_test.cpp
@@ -0,0 +1,140 @@
+/*
+ * 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