| /* |
| * Copyright (C) 2015 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 "base/logging.h" |
| |
| #include <libgen.h> |
| |
| #include <regex> |
| #include <string> |
| |
| #include "base/file.h" |
| #include "base/stringprintf.h" |
| #include "base/test_utils.h" |
| |
| #include <gtest/gtest.h> |
| |
| #ifdef __ANDROID__ |
| #define HOST_TEST(suite, name) TEST(suite, DISABLED_ ## name) |
| #else |
| #define HOST_TEST(suite, name) TEST(suite, name) |
| #endif |
| |
| class CapturedStderr { |
| public: |
| CapturedStderr() : old_stderr_(-1) { |
| init(); |
| } |
| |
| ~CapturedStderr() { |
| reset(); |
| } |
| |
| int fd() const { |
| return temp_file_.fd; |
| } |
| |
| private: |
| void init() { |
| old_stderr_ = dup(STDERR_FILENO); |
| ASSERT_NE(-1, old_stderr_); |
| ASSERT_NE(-1, dup2(fd(), STDERR_FILENO)); |
| } |
| |
| void reset() { |
| ASSERT_NE(-1, dup2(old_stderr_, STDERR_FILENO)); |
| ASSERT_EQ(0, close(old_stderr_)); |
| } |
| |
| TemporaryFile temp_file_; |
| int old_stderr_; |
| }; |
| |
| TEST(logging, CHECK) { |
| ASSERT_DEATH(CHECK(false), "Check failed: false "); |
| CHECK(true); |
| |
| ASSERT_DEATH(CHECK_EQ(0, 1), "Check failed: 0 == 1 "); |
| CHECK_EQ(0, 0); |
| |
| ASSERT_DEATH(CHECK_STREQ("foo", "bar"), R"(Check failed: "foo" == "bar")"); |
| CHECK_STREQ("foo", "foo"); |
| } |
| |
| std::string make_log_pattern(android::base::LogSeverity severity, |
| const char* message) { |
| static const char* log_characters = "VDIWEF"; |
| char log_char = log_characters[severity]; |
| std::string holder(__FILE__); |
| return android::base::StringPrintf( |
| "%c[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+ %s:[[:digit:]]+] %s", |
| log_char, basename(&holder[0]), message); |
| } |
| |
| TEST(logging, LOG) { |
| ASSERT_DEATH(LOG(FATAL) << "foobar", "foobar"); |
| |
| // We can't usefully check the output of any of these on Windows because we |
| // don't have std::regex, but we can at least make sure we printed at least as |
| // many characters are in the log message. |
| { |
| CapturedStderr cap; |
| LOG(WARNING) << "foobar"; |
| ASSERT_EQ(0, lseek(cap.fd(), SEEK_SET, 0)); |
| |
| std::string output; |
| android::base::ReadFdToString(cap.fd(), &output); |
| ASSERT_GT(output.length(), strlen("foobar")); |
| |
| #if !defined(_WIN32) |
| std::regex message_regex( |
| make_log_pattern(android::base::WARNING, "foobar")); |
| ASSERT_TRUE(std::regex_search(output, message_regex)) << output; |
| #endif |
| } |
| |
| { |
| CapturedStderr cap; |
| LOG(INFO) << "foobar"; |
| ASSERT_EQ(0, lseek(cap.fd(), SEEK_SET, 0)); |
| |
| std::string output; |
| android::base::ReadFdToString(cap.fd(), &output); |
| ASSERT_GT(output.length(), strlen("foobar")); |
| |
| #if !defined(_WIN32) |
| std::regex message_regex( |
| make_log_pattern(android::base::INFO, "foobar")); |
| ASSERT_TRUE(std::regex_search(output, message_regex)) << output; |
| #endif |
| } |
| |
| { |
| CapturedStderr cap; |
| LOG(DEBUG) << "foobar"; |
| ASSERT_EQ(0, lseek(cap.fd(), SEEK_SET, 0)); |
| |
| std::string output; |
| android::base::ReadFdToString(cap.fd(), &output); |
| ASSERT_TRUE(output.empty()); |
| } |
| |
| { |
| android::base::ScopedLogSeverity severity(android::base::DEBUG); |
| CapturedStderr cap; |
| LOG(DEBUG) << "foobar"; |
| ASSERT_EQ(0, lseek(cap.fd(), SEEK_SET, 0)); |
| |
| std::string output; |
| android::base::ReadFdToString(cap.fd(), &output); |
| ASSERT_GT(output.length(), strlen("foobar")); |
| |
| #if !defined(_WIN32) |
| std::regex message_regex( |
| make_log_pattern(android::base::DEBUG, "foobar")); |
| ASSERT_TRUE(std::regex_search(output, message_regex)) << output; |
| #endif |
| } |
| } |
| |
| TEST(logging, PLOG) { |
| { |
| CapturedStderr cap; |
| errno = ENOENT; |
| PLOG(INFO) << "foobar"; |
| ASSERT_EQ(0, lseek(cap.fd(), SEEK_SET, 0)); |
| |
| std::string output; |
| android::base::ReadFdToString(cap.fd(), &output); |
| ASSERT_GT(output.length(), strlen("foobar")); |
| |
| #if !defined(_WIN32) |
| std::regex message_regex(make_log_pattern( |
| android::base::INFO, "foobar: No such file or directory")); |
| ASSERT_TRUE(std::regex_search(output, message_regex)) << output; |
| #endif |
| } |
| } |
| |
| TEST(logging, UNIMPLEMENTED) { |
| { |
| CapturedStderr cap; |
| errno = ENOENT; |
| UNIMPLEMENTED(ERROR); |
| ASSERT_EQ(0, lseek(cap.fd(), SEEK_SET, 0)); |
| |
| std::string output; |
| android::base::ReadFdToString(cap.fd(), &output); |
| ASSERT_GT(output.length(), strlen("unimplemented")); |
| |
| #if !defined(_WIN32) |
| std::string expected_message = |
| android::base::StringPrintf("%s unimplemented ", __PRETTY_FUNCTION__); |
| std::regex message_regex( |
| make_log_pattern(android::base::ERROR, expected_message.c_str())); |
| ASSERT_TRUE(std::regex_search(output, message_regex)) << output; |
| #endif |
| } |
| } |