| /* |
| * Copyright (C) 2019 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 <fstream> |
| #include <string> |
| |
| #include <android-base/properties.h> |
| #include <android/api-level.h> |
| #include <gmock/gmock.h> |
| #include <gtest/gtest.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include <sys/utsname.h> |
| #include <unistd.h> |
| |
| namespace android { |
| namespace kernel { |
| |
| class KernelHeadersTest : public ::testing::Test { |
| protected: |
| std::string version_; |
| const int first_api_level_; |
| KernelHeadersTest() |
| : first_api_level_(std::stoi( |
| android::base::GetProperty("ro.product.first_api_level", "0"))) { |
| } |
| |
| bool should_run(struct utsname buf) const { |
| int kernel_version_major, kernel_version_minor, ret; |
| char dummy; |
| bool kver_pass = false; |
| |
| ret = sscanf(buf.release, "%d.%d%c", &kernel_version_major, &kernel_version_minor, &dummy); |
| |
| // If kernel version format changes in future, run it anyway |
| if (ret < 2) |
| kver_pass = true; |
| else if (kernel_version_major > 4 || (kernel_version_major == 4 && kernel_version_minor >= 14)) |
| kver_pass = true; |
| |
| return ((first_api_level_ > __ANDROID_API_Q__) && (kver_pass == true)); |
| } |
| }; |
| |
| TEST_F(KernelHeadersTest, UnameWorks) { |
| struct utsname buf; |
| |
| // Make sure uname works since we need it in this test |
| ASSERT_EQ(0, uname(&buf)); |
| } |
| |
| TEST_F(KernelHeadersTest, ModuleExist) { |
| struct stat st; |
| struct utsname buf; |
| std::string path = "/vendor/lib/modules/kheaders.ko"; |
| |
| uname(&buf); |
| if (!should_run(buf)) return; |
| |
| // Make sure the module exists |
| errno = 0; |
| stat(path.c_str(), &st); |
| ASSERT_EQ(0, (errno == ENOENT)); |
| } |
| |
| } // namespace kernel |
| } // namespace android |