| /* |
| * Copyright (C) 2022 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 <fcntl.h> |
| |
| #include <linux/fs.h> |
| #include <sys/ioctl.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| |
| #include <android-base/file.h> |
| #include <android-base/properties.h> |
| #include <gtest/gtest.h> |
| #include <storage_literals/storage_literals.h> |
| using android::storage_literals::operator""_MiB; |
| |
| class SystemDlkmPartitionTest : public testing::Test { |
| public: |
| void SetUp() override {} |
| }; |
| |
| TEST_F(SystemDlkmPartitionTest, SystemDlkmPartition) { |
| // Only Test for the Android T+ feature launch devices |
| if (android::base::GetIntProperty("ro.product.first_api_level", 0) < |
| __ANDROID_API_T__) { |
| GTEST_SKIP() << "Exempt system_dlkm partition test on product " |
| << "first api level < Android T"; |
| } |
| |
| const std::string slot_suffix = |
| android::base::GetProperty("ro.boot.slot_suffix", ""); |
| const std::string system_dlkm_path = |
| "/dev/block/by-name/system_dlkm" + slot_suffix; |
| |
| // Verify access to the partition |
| ASSERT_EQ(0, access(system_dlkm_path.c_str(), F_OK)) << strerror(errno); |
| |
| // Open & retrieve partition stats |
| auto fd = android::base::unique_fd(open(system_dlkm_path.c_str(), O_RDONLY)); |
| ASSERT_LE(0, fd) << strerror(errno); |
| |
| struct stat s; |
| ASSERT_EQ(0, fstat(fd, &s)) << strerror(errno); |
| |
| // Validate partition size as per requirement |
| uint64_t size; |
| ASSERT_TRUE(S_ISBLK(s.st_mode)) << "Not a block device: " << system_dlkm_path; |
| ASSERT_EQ(0, ioctl(fd, BLKGETSIZE64, &size)) << strerror(errno); |
| EXPECT_GE(size, 64_MiB) << "Size of system_dlkm partition found to be " |
| << size << " bytes must be at least " << 64_MiB |
| << " bytes"; |
| } |