1 /*
2 * Copyright (C) 2019 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 <fstream>
18 #include <string>
19
20 #include <android-base/properties.h>
21 #include <android/api-level.h>
22 #include <gmock/gmock.h>
23 #include <gtest/gtest.h>
24
25 namespace android {
26 namespace kernel {
27
28 class KernelVersionTest : public ::testing::Test {
29 protected:
30 const std::string arch_;
31 const int first_api_level_;
32 const bool should_run_compiler_test_;
33 const bool should_run_linker_test_;
34 std::string version_;
KernelVersionTest()35 KernelVersionTest()
36 : arch_(android::base::GetProperty("ro.bionic.arch", "")),
37 first_api_level_(std::stoi(
38 android::base::GetProperty("ro.product.first_api_level", "0"))),
39 should_run_compiler_test_(
40 first_api_level_ >= __ANDROID_API_R__ ||
41 (arch_ == "arm64" && first_api_level_ >= __ANDROID_API_Q__)),
42 should_run_linker_test_(first_api_level_ >= __ANDROID_API_S__) {
43 std::ifstream proc_version("/proc/version");
44 std::getline(proc_version, version_);
45 }
46 };
47
TEST_F(KernelVersionTest,IsntGCC)48 TEST_F(KernelVersionTest, IsntGCC) {
49 if (!should_run_compiler_test_) return;
50 const std::string needle = "gcc version";
51 ASSERT_THAT(version_, ::testing::Not(::testing::HasSubstr(needle)));
52 }
53
TEST_F(KernelVersionTest,IsClang)54 TEST_F(KernelVersionTest, IsClang) {
55 if (!should_run_compiler_test_) return;
56 const std::string needle = "clang version";
57 ASSERT_THAT(version_, ::testing::HasSubstr(needle));
58 }
59
TEST_F(KernelVersionTest,IsntBFD)60 TEST_F(KernelVersionTest, IsntBFD) {
61 if (!should_run_linker_test_) return;
62 const std::string needle = "GNU ld";
63 ASSERT_THAT(version_, ::testing::Not(::testing::HasSubstr(needle)));
64 ASSERT_THAT(version_, ::testing::Not(::testing::HasSubstr("GNU Binutils")));
65 ASSERT_THAT(version_, ::testing::Not(::testing::HasSubstr("binutils")));
66 }
67
TEST_F(KernelVersionTest,IsntGold)68 TEST_F(KernelVersionTest, IsntGold) {
69 if (!should_run_linker_test_) return;
70 const std::string needle = "GNU gold";
71 ASSERT_THAT(version_, ::testing::Not(::testing::HasSubstr(needle)));
72 }
73
TEST_F(KernelVersionTest,IsLLD)74 TEST_F(KernelVersionTest, IsLLD) {
75 if (!should_run_linker_test_) return;
76 const std::string needle = "LLD";
77 ASSERT_THAT(version_, ::testing::HasSubstr(needle));
78 }
79
80 } // namespace kernel
81 } // namespace android
82