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spdlog
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pull/1089/head
gabime 6 years ago
parent 156b856a80
commit 17f9cdd401
14 changed files with 1457 additions and 1466 deletions
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5
example/example.cpp
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@ -14,8 +14,9 @@ spdlog::logger *get_logger();
int main(int, char *[])
{
auto *l = get_logger();
l->info("HELLO {}", "GA");
l->error("Some {}", "error");
l->info("HE LO ", "GA");
l->error("Some {} {} {}", "er or");
l->error("Some {} {} {}", "er or");
}

18
include/spdlog/common.h
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@ -9,22 +9,16 @@
#include <atomic>
#include <chrono>
#include <functional>
#include <initializer_list>
#include <memory>
#include <stdexcept>
#include <string>
#include <cstring>
#include <type_traits>
#include <unordered_map>
#if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
#include <codecvt>
#include <locale>
#endif
#include "spdlog/details/null_mutex.h"
#include "spdlog/fmt/fmt.h"
#ifdef SPDLOG_HEADER_ONLY
@ -75,6 +69,17 @@
#define SPDLOG_FUNCTION __FUNCTION__
#endif
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
#define SPDLOG_FILENAME_T(s) L##s
SPDLOG_INLINE std::string filename_to_str(const filename_t &filename)
{
std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> c;
return c.to_bytes(filename);
}
#else
#define SPDLOG_FILENAME_T(s) s
#endif
namespace spdlog {
class formatter;
@ -86,7 +91,6 @@ class sink;
using log_clock = std::chrono::system_clock;
using sink_ptr = std::shared_ptr<sinks::sink>;
using sinks_init_list = std::initializer_list<sink_ptr>;
using log_err_handler = std::function<void(const std::string &err_msg)>;
// string_view type - either std::string_view or fmt::string_view (pre c++17)
#if defined(FMT_USE_STD_STRING_VIEW)

5
include/spdlog/details/async_logger_impl.h
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@ -38,9 +38,6 @@ inline spdlog::async_logger::async_logger(
// send the log message to the thread pool
inline void spdlog::async_logger::sink_it_(details::log_msg &msg)
{
#if defined(SPDLOG_ENABLE_MESSAGE_COUNTER)
incr_msg_counter_(msg);
#endif
if (auto pool_ptr = thread_pool_.lock())
{
pool_ptr->post_log(shared_from_this(), msg, overflow_policy_);
@ -119,6 +116,6 @@ inline std::shared_ptr<spdlog::logger> spdlog::async_logger::clone(std::string n
cloned->set_level(this->level());
cloned->flush_on(this->flush_level());
cloned->set_error_handler(this->error_handler());
cloned->set_error_handler(this->custom_err_handler_);
return std::move(cloned);
}

1266
include/spdlog/details/pattern_formatter.h
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File diff suppressed because it is too large Load Diff

4
include/spdlog/details/registry.h
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@ -154,7 +154,7 @@ public:
periodic_flusher_ = details::make_unique<periodic_worker>(clbk, interval);
}
void set_error_handler(log_err_handler handler)
void set_error_handler(void (*handler)(const std::string &msg))
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
@ -275,7 +275,7 @@ private:
std::unique_ptr<formatter> formatter_;
level::level_enum level_ = spdlog::logger::default_level();
level::level_enum flush_level_ = level::off;
log_err_handler err_handler_;
void (*err_handler_)(const std::string &msg);
std::shared_ptr<thread_pool> tp_;
std::unique_ptr<periodic_worker> periodic_flusher_;
std::shared_ptr<logger> default_logger_;

243
include/spdlog/logger.h
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@ -17,22 +17,17 @@
// The use of private formatter per sink provides the opportunity to cache some
// formatted data, and support for different format per sink.
#include "spdlog/common.h"
#include "spdlog/details/log_msg.h"
//#include "spdlog/formatter.h"
//#include "spdlog/sinks/sink.h"
#include <memory>
#include <string>
#include <vector>
namespace spdlog
namespace spdlog {
class logger
{
class logger
{
public:
public:
template<typename It>
logger(std::string name, It begin, It end)
: name_(std::move(name))
@ -57,32 +52,32 @@ namespace spdlog
template<typename... Args>
void log(source_loc loc, level::level_enum lvl, const char *fmt, const Args &... args)
{
if (!should_log(lvl))
{
return;
}
try
{
fmt::memory_buffer buf;
fmt::format_to(buf, fmt, args...);
details::log_msg log_msg(loc, &name_, lvl, string_view_t(buf.data(), buf.size()));
sink_it_(log_msg);
}
catch (const std::exception &ex)
{
err_handler_(ex.what());
}
catch (...)
{
err_handler_("Unknown exception in logger");
}
if (!should_log(lvl))
{
return;
}
try
{
fmt::memory_buffer buf;
fmt::format_to(buf, fmt, args...);
details::log_msg log_msg(loc, &name_, lvl, string_view_t(buf.data(), buf.size()));
sink_it_(log_msg);
}
catch (const std::exception &ex)
{
err_handler_(ex.what());
}
catch (...)
{
err_handler_("Unknown exception in logger");
}
}
template<typename... Args>
void log(level::level_enum lvl, const char *fmt, const Args &... args)
{
log(source_loc{}, lvl, fmt, args...);
log(source_loc{}, lvl, fmt, args...);
}
void log(source_loc loc, level::level_enum lvl, const char *msg);
void log(level::level_enum lvl, const char *msg);
@ -90,37 +85,37 @@ namespace spdlog
template<typename... Args>
void trace(const char *fmt, const Args &... args)
{
log(level::trace, fmt, args...);
log(level::trace, fmt, args...);
}
template<typename... Args>
void debug(const char *fmt, const Args &... args)
{
log(level::debug, fmt, args...);
log(level::debug, fmt, args...);
}
template<typename... Args>
void info(const char *fmt, const Args &... args)
{
log(level::info, fmt, args...);
log(level::info, fmt, args...);
}
template<typename... Args>
void warn(const char *fmt, const Args &... args)
{
log(level::warn, fmt, args...);
log(level::warn, fmt, args...);
}
template<typename... Args>
void error(const char *fmt, const Args &... args)
{
log(level::err, fmt, args...);
log(level::err, fmt, args...);
}
template<typename... Args>
void critical(const char *fmt, const Args &... args)
{
log(level::critical, fmt, args...);
log(level::critical, fmt, args...);
}
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
@ -129,87 +124,87 @@ namespace spdlog
#else
inline void wbuf_to_utf8buf(const fmt::wmemory_buffer &wbuf, fmt::memory_buffer &target)
{
int wbuf_size = static_cast<int>(wbuf.size());
if (wbuf_size == 0)
{
return;
}
int wbuf_size = static_cast<int>(wbuf.size());
if (wbuf_size == 0)
{
return;
}
auto result_size = ::WideCharToMultiByte(CP_UTF8, 0, wbuf.data(), wbuf_size, NULL, 0, NULL, NULL);
auto result_size = ::WideCharToMultiByte(CP_UTF8, 0, wbuf.data(), wbuf_size, NULL, 0, NULL, NULL);
if (result_size > 0)
{
target.resize(result_size);
::WideCharToMultiByte(CP_UTF8, 0, wbuf.data(), wbuf_size, &target.data()[0], result_size, NULL, NULL);
}
else
{
throw spdlog::spdlog_ex(fmt::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError()));
}
if (result_size > 0)
{
target.resize(result_size);
::WideCharToMultiByte(CP_UTF8, 0, wbuf.data(), wbuf_size, &target.data()[0], result_size, NULL, NULL);
}
else
{
throw spdlog::spdlog_ex(fmt::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError()));
}
}
template<typename... Args>
void log(source_loc source, level::level_enum lvl, const wchar_t *fmt, const Args &... args)
{
if (!should_log(lvl))
{
return;
}
try
{
// format to wmemory_buffer and convert to utf8
using details::fmt_helper::to_string_view;
fmt::wmemory_buffer wbuf;
fmt::format_to(wbuf, fmt, args...);
fmt::memory_buffer buf;
wbuf_to_utf8buf(wbuf, buf);
details::log_msg log_msg(source, &name_, lvl, to_string_view(buf));
sink_it_(log_msg);
}
SPDLOG_CATCH_AND_HANDLE
if (!should_log(lvl))
{
return;
}
try
{
// format to wmemory_buffer and convert to utf8
using details::fmt_helper::to_string_view;
fmt::wmemory_buffer wbuf;
fmt::format_to(wbuf, fmt, args...);
fmt::memory_buffer buf;
wbuf_to_utf8buf(wbuf, buf);
details::log_msg log_msg(source, &name_, lvl, to_string_view(buf));
sink_it_(log_msg);
}
SPDLOG_CATCH_AND_HANDLE
}
template<typename... Args>
void log(level::level_enum lvl, const wchar_t *fmt, const Args &... args)
{
log(source_loc{}, lvl, fmt, args...);
log(source_loc{}, lvl, fmt, args...);
}
template<typename... Args>
void trace(const wchar_t *fmt, const Args &... args)
{
log(level::trace, fmt, args...);
log(level::trace, fmt, args...);
}
template<typename... Args>
void debug(const wchar_t *fmt, const Args &... args)
{
log(level::debug, fmt, args...);
log(level::debug, fmt, args...);
}
template<typename... Args>
void info(const wchar_t *fmt, const Args &... args)
{
log(level::info, fmt, args...);
log(level::info, fmt, args...);
}
template<typename... Args>
void warn(const wchar_t *fmt, const Args &... args)
{
log(level::warn, fmt, args...);
log(level::warn, fmt, args...);
}
template<typename... Args>
void error(const wchar_t *fmt, const Args &... args)
{
log(level::err, fmt, args...);
log(level::err, fmt, args...);
}
template<typename... Args>
void critical(const wchar_t *fmt, const Args &... args)
{
log(level::critical, fmt, args...);
log(level::critical, fmt, args...);
}
#endif // _WIN32
#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
@ -217,92 +212,92 @@ namespace spdlog
template<typename T>
void log(level::level_enum lvl, const T &msg)
{
log(source_loc{}, lvl, msg);
log(source_loc{}, lvl, msg);
}
// T can be statically converted to string_view
template<class T, typename std::enable_if<std::is_convertible<T, spdlog::string_view_t>::value, T>::type * = nullptr>
void log(source_loc loc, level::level_enum lvl, const T &msg)
{
if (!should_log(lvl))
{
return;
}
try
{
details::log_msg log_msg(loc, &name_, lvl, msg);
sink_it_(log_msg);
}
catch (const std::exception &ex)
{
err_handler_(ex.what());
}
catch (...)
{
err_handler_("Unknown exception in logger");
}
if (!should_log(lvl))
{
return;
}
try
{
details::log_msg log_msg(loc, &name_, lvl, msg);
sink_it_(log_msg);
}
catch (const std::exception &ex)
{
err_handler_(ex.what());
}
catch (...)
{
err_handler_("Unknown exception in logger");
}
}
// T cannot be statically converted to string_view
template<class T, typename std::enable_if<!std::is_convertible<T, spdlog::string_view_t>::value, T>::type * = nullptr>
void log(source_loc loc, level::level_enum lvl, const T &msg)
{
if (!should_log(lvl))
{
return;
}
try
{
using details::fmt_helper::to_string_view;
fmt::memory_buffer buf;
fmt::format_to(buf, "{}", msg);
details::log_msg log_msg(loc, &name_, lvl, to_string_view(buf));
sink_it_(log_msg);
}
catch (const std::exception &ex)
{
err_handler_(ex.what());
}
catch (...)
{
err_handler_("Unknown exception in logger");
}
if (!should_log(lvl))
{
return;
}
try
{
using details::fmt_helper::to_string_view;
fmt::memory_buffer buf;
fmt::format_to(buf, "{}", msg);
details::log_msg log_msg(loc, &name_, lvl, to_string_view(buf));
sink_it_(log_msg);
}
catch (const std::exception &ex)
{
err_handler_(ex.what());
}
catch (...)
{
err_handler_("Unknown exception in logger");
}
}
template<typename T>
void trace(const T &msg)
{
log(level::trace, msg);
log(level::trace, msg);
}
template<typename T>
void debug(const T &msg)
{
log(level::debug, msg);
log(level::debug, msg);
}
template<typename T>
void info(const T &msg)
{
log(level::info, msg);
log(level::info, msg);
}
template<typename T>
void warn(const T &msg)
{
log(level::warn, msg);
log(level::warn, msg);
}
template<typename T>
void error(const T &msg)
{
log(level::err, msg);
log(level::err, msg);
}
template<typename T>
void critical(const T &msg)
{
log(level::critical, msg);
log(level::critical, msg);
}
bool should_log(level::level_enum msg_level) const;
@ -332,9 +327,7 @@ namespace spdlog
std::vector<sink_ptr> &sinks();
// error handler
void set_error_handler(log_err_handler err_handler);
log_err_handler error_handler() const;
void set_error_handler(void (*handler)(const std::string& msg));
// create new logger with same sinks and configuration.
virtual std::shared_ptr<logger> clone(std::string logger_name);
@ -347,7 +340,7 @@ namespace spdlog
// default error handler.
// print the error to stderr with the max rate of 1 message/minute.
void default_err_handler_(const std::string &msg);
void err_handler_(const std::string &msg);
// increment the message count (only if defined(SPDLOG_ENABLE_MESSAGE_COUNTER))
void incr_msg_counter_(details::log_msg &msg);
@ -356,10 +349,8 @@ namespace spdlog
std::vector<sink_ptr> sinks_;
spdlog::level_t level_{spdlog::logger::default_level()};
spdlog::level_t flush_level_{level::off};
log_err_handler err_handler_{[this](const std::string &msg) { this->default_err_handler_(msg); }};
std::atomic<time_t> last_err_time_{0};
std::atomic<size_t> msg_counter_{1};
};
void (*custom_err_handler_)(const std::string &msg) {nullptr};
};
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY

4
include/spdlog/spdlog.h
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@ -103,9 +103,9 @@ inline void flush_every(std::chrono::seconds interval)
}
// Set global error handler
inline void set_error_handler(log_err_handler handler)
inline void set_error_handler(void (*handler)(const std::string &msg))
{
details::registry::instance().set_error_handler(std::move(handler));
details::registry::instance().set_error_handler(handler);
}
// Register the given logger with the given name

7
include/spdlog/tweakme.h
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@ -107,13 +107,6 @@
// #define SPDLOG_PREVENT_CHILD_FD
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to enable message counting feature.
// Use the %i in the logger pattern to display log message sequence id.
//
// #define SPDLOG_ENABLE_MESSAGE_COUNTER
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to customize level names (e.g. "MT TRACE")
//

38
src/logger.cpp
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@ -113,14 +113,9 @@ SPDLOG_INLINE std::vector<spdlog::sink_ptr> &spdlog::logger::sinks()
}
// error handler
SPDLOG_INLINE void spdlog::logger::set_error_handler(spdlog::log_err_handler err_handler)
SPDLOG_INLINE void spdlog::logger::set_error_handler(void (*handler)(const std::string &msg))
{
err_handler_ = std::move(err_handler);
}
SPDLOG_INLINE spdlog::log_err_handler spdlog::logger::error_handler() const
{
return err_handler_;
custom_err_handler_ = handler;
}
// create new logger with same sinks and configuration.
@ -129,16 +124,13 @@ SPDLOG_INLINE std::shared_ptr<spdlog::logger> spdlog::logger::clone(std::string
auto cloned = std::make_shared<spdlog::logger>(std::move(logger_name), sinks_.begin(), sinks_.end());
cloned->set_level(this->level());
cloned->flush_on(this->flush_level());
cloned->set_error_handler(this->error_handler());
cloned->set_error_handler(this->custom_err_handler_);
return cloned;
}
// protected methods
SPDLOG_INLINE void spdlog::logger::sink_it_(spdlog::details::log_msg &msg)
{
#if defined(SPDLOG_ENABLE_MESSAGE_COUNTER)
incr_msg_counter_(msg);
#endif
for (auto &sink : sinks_)
{
if (sink->should_log(msg.level))
@ -167,21 +159,17 @@ SPDLOG_INLINE bool spdlog::logger::should_flush_(const spdlog::details::log_msg
return (msg.level >= flush_level) && (msg.level != level::off);
}
SPDLOG_INLINE void spdlog::logger::default_err_handler_(const std::string &msg)
void spdlog::logger::err_handler_(const std::string &msg)
{
auto now = time(nullptr);
if (now - last_err_time_ < 60)
if (custom_err_handler_)
{
custom_err_handler_(msg);
}
else
{
return;
auto tm_time = spdlog::details::os::localtime();
char date_buf[64];
std::strftime(date_buf, sizeof(date_buf), "%Y-%m-%d %H:%M:%S", &tm_time);
fmt::print(stderr, "[*** LOG ERROR ***] [{}] [{}] {}\n", date_buf, name(), msg);
}
last_err_time_ = now;
auto tm_time = details::os::localtime(now);
char date_buf[100];
std::strftime(date_buf, sizeof(date_buf), "%Y-%m-%d %H:%M:%S", &tm_time);
fmt::print(stderr, "[*** LOG ERROR ***] [{}] [{}] {}\n", date_buf, name(), msg);
}
SPDLOG_INLINE void spdlog::logger::incr_msg_counter_(spdlog::details::log_msg &msg)
{
msg.msg_id = msg_counter_.fetch_add(1, std::memory_order_relaxed);
}

2
src/os.cpp
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@ -344,14 +344,12 @@ SPDLOG_INLINE void sleep_for_millis(int milliseconds) SPDLOG_NOEXCEPT
// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
#define SPDLOG_FILENAME_T(s) L##s
SPDLOG_INLINE std::string filename_to_str(const filename_t &filename)
{
std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> c;
return c.to_bytes(filename);
}
#else
#define SPDLOG_FILENAME_T(s) s
SPDLOG_INLINE std::string filename_to_str(const filename_t &filename)
{
return filename;

1266
src/pattern_formatter.cpp
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1
tests/includes.h
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@ -11,7 +11,6 @@
#include <string>
#define SPDLOG_ACTIVE_LEVEL SPDLOG_LEVEL_DEBUG
#define SPDLOG_ENABLE_MESSAGE_COUNTER
#include "spdlog/spdlog.h"
#include "spdlog/async.h"

26
tests/test_errors.cpp
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@ -41,13 +41,18 @@ TEST_CASE("default_error_handler", "[errors]]")
struct custom_ex
{
};
static void custom_handler(const std::string &msg)
{
throw custom_ex();
}
TEST_CASE("custom_error_handler", "[errors]]")
{
prepare_logdir();
std::string filename = "logs/simple_log.txt";
auto logger = spdlog::create<spdlog::sinks::basic_file_sink_mt>("logger", filename, true);
logger->flush_on(spdlog::level::info);
logger->set_error_handler([=](const std::string &) { throw custom_ex(); });
logger->set_error_handler(custom_handler);
logger->info("Good message #1");
REQUIRE_THROWS_AS(logger->info("Bad format msg {} {}", "xxx"), custom_ex);
@ -59,7 +64,7 @@ TEST_CASE("default_error_handler2", "[errors]]")
{
spdlog::drop_all();
auto logger = spdlog::create<failing_sink>("failed_logger");
logger->set_error_handler([=](const std::string &) { throw custom_ex(); });
logger->set_error_handler(custom_handler);
REQUIRE_THROWS_AS(logger->info("Some message"), custom_ex);
}
@ -67,26 +72,26 @@ TEST_CASE("flush_error_handler", "[errors]]")
{
spdlog::drop_all();
auto logger = spdlog::create<failing_sink>("failed_logger");
logger->set_error_handler([=](const std::string &) { throw custom_ex(); });
logger->set_error_handler(custom_handler);
REQUIRE_THROWS_AS(logger->flush(), custom_ex);
}
TEST_CASE("async_error_handler", "[errors]]")
{
prepare_logdir();
std::string err_msg("log failed with some msg");
std::string filename = "logs/simple_async_log.txt";
{
spdlog::init_thread_pool(128, 1);
auto logger = spdlog::create_async<spdlog::sinks::basic_file_sink_mt>("logger", filename, true);
logger->set_error_handler([=](const std::string &) {
logger->set_error_handler([](const std::string &) {
std::ofstream ofs("logs/custom_err.txt");
if (!ofs)
{
throw std::runtime_error("Failed open logs/custom_err.txt");
}
ofs << err_msg;
ofs << "log failed with some msg";
});
logger->info("Good message #1");
logger->info("Bad format msg {} {}", "xxx");
@ -95,27 +100,26 @@ TEST_CASE("async_error_handler", "[errors]]")
}
spdlog::init_thread_pool(128, 1);
REQUIRE(count_lines(filename) == 2);
REQUIRE(file_contents("logs/custom_err.txt") == err_msg);
REQUIRE(file_contents("logs/custom_err.txt") == "log failed with some msg");
}
// Make sure async error handler is executed
TEST_CASE("async_error_handler2", "[errors]]")
{
prepare_logdir();
std::string err_msg("This is async handler error message");
{
spdlog::init_thread_pool(128, 1);
auto logger = spdlog::create_async<failing_sink>("failed_logger");
logger->set_error_handler([=](const std::string &) {
logger->set_error_handler([](const std::string &) {
std::ofstream ofs("logs/custom_err2.txt");
if (!ofs)
throw std::runtime_error("Failed open logs/custom_err2.txt");
ofs << err_msg;
ofs << "handler error message";
});
logger->info("Hello failure");
spdlog::drop("failed_logger"); // force logger to drain the queue and shutdown
}
spdlog::init_thread_pool(128, 1);
REQUIRE(file_contents("logs/custom_err2.txt") == err_msg);
REQUIRE(file_contents("logs/custom_err2.txt") == "handler error message");
}

18
tests/test_misc.cpp
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@ -107,7 +107,6 @@ TEST_CASE("clone-logger", "[clone]")
cloned->info("Some message 2");
auto test_sink = std::static_pointer_cast<sinks::test_sink_mt>(cloned->sinks()[0]);
REQUIRE(test_sink->msg_counter() == 2);
spdlog::drop_all();
}
@ -130,7 +129,6 @@ TEST_CASE("clone async", "[clone]")
spdlog::details::os::sleep_for_millis(10);
auto test_sink = std::static_pointer_cast<sinks::test_sink_mt>(cloned->sinks()[0]);
REQUIRE(test_sink->msg_counter() == 2);
spdlog::drop_all();
}
@ -176,22 +174,6 @@ TEST_CASE("to_hex_no_delimiter", "[to_hex]")
REQUIRE(ends_with(output, "0000: 090A0B0CFFFF" + std::string(spdlog::details::os::default_eol)));
}
TEST_CASE("message_counter", "[message_counter]")
{
std::ostringstream oss;
auto oss_sink = std::make_shared<spdlog::sinks::ostream_sink_mt>(oss);
spdlog::logger oss_logger("oss", oss_sink);
oss_logger.set_pattern("%i %v");
oss_logger.info("Hello");
REQUIRE(oss.str() == "000001 Hello" + std::string(spdlog::details::os::default_eol));
oss.str("");
oss_logger.info("Hello again");
REQUIRE(oss.str() == "000002 Hello again" + std::string(spdlog::details::os::default_eol));
}
TEST_CASE("default logger API", "[default logger]")
{
std::ostringstream oss;

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