| // Copyright 2017 Google Inc. All rights reserved. |
| // |
| // 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. |
| |
| #ifndef EXAMPLES_FUZZER_TEST_H_ |
| #define EXAMPLES_FUZZER_TEST_H_ |
| |
| #include <dirent.h> |
| #include <memory> |
| #include <string> |
| |
| #include "port/gtest.h" |
| |
| using testing::Test; |
| |
| class FuzzerTest : public testing::Test { |
| protected: |
| void SetUp() override { |
| char dir_template[] = "/tmp/libxml2_example_test_XXXXXX"; |
| auto dir = mkdtemp(dir_template); |
| ASSERT_TRUE(dir); |
| dir_ = std::string(dir) + "/"; |
| EXPECT_EQ(0, CountFilesInDir()); |
| } |
| |
| void TearDown() override { |
| EXPECT_EQ(0, std::system((std::string("rm -rf ") + dir_).c_str())); |
| } |
| |
| int RunFuzzer(const std::string& name, int max_len, int runs) { |
| std::string cmd = "ASAN_OPTIONS=detect_leaks=0 ./" + name; |
| cmd += " -detect_leaks=0"; |
| cmd += " -len_control=0"; |
| cmd += " -max_len=" + std::to_string(max_len); |
| cmd += " -runs=" + std::to_string(runs); |
| cmd += " -artifact_prefix=" + dir_; |
| cmd += " " + dir_; |
| fprintf(stderr, "%s \n", cmd.c_str()); |
| return std::system(cmd.c_str()); |
| } |
| |
| size_t CountFilesInDir() const { |
| size_t res = 0; |
| std::unique_ptr<DIR, decltype(&closedir)> dir(opendir(dir_.c_str()), |
| &closedir); |
| if (!dir) return 0; |
| while (readdir(dir.get())) { |
| ++res; |
| } |
| if (res <= 2) return 0; |
| res -= 2; // . and .. |
| return res; |
| } |
| |
| std::string dir_; |
| }; |
| |
| #endif // EXAMPLES_FUZZER_TEST_H_ |