susumu.yata
null+****@clear*****
Thu Feb 28 12:10:04 JST 2013
susumu.yata 2013-02-28 12:10:04 +0900 (Thu, 28 Feb 2013) New Revision: 8ca0d8f4149ee9b1442072ec529cc01d2e3f1ac9 https://github.com/groonga/grnxx/commit/8ca0d8f4149ee9b1442072ec529cc01d2e3f1ac9 Log: Add grnxx::Stopwatch. Added files: lib/stopwatch.hpp test/test_stopwatch.cpp Modified files: .gitignore test/Makefile.am test/test_broken_down_time.cpp Modified: .gitignore (+1 -0) =================================================================== --- .gitignore 2013-02-28 11:36:19 +0900 (a22f989) +++ .gitignore 2013-02-28 12:10:04 +0900 (66dbbd7) @@ -53,6 +53,7 @@ test/test_mutex test/test_os test/test_recycler test/test_slice +test/test_stopwatch test/test_string test/test_string_builder test/test_string_format Added: lib/stopwatch.hpp (+76 -0) 100644 =================================================================== --- /dev/null +++ lib/stopwatch.hpp 2013-02-28 12:10:04 +0900 (cc9bdde) @@ -0,0 +1,76 @@ +/* + Copyright (C) 2012-2013 Brazil, Inc. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#ifndef GRNXX_STOPWATCH_HPP +#define GRNXX_STOPWATCH_HPP + +#include "basic.hpp" +#include "steady_clock.hpp" + +namespace grnxx { + +// To measure the amount of time elapsed. +class Stopwatch { + public: + Stopwatch() : elapsed_(0), start_time_(), is_running_(false) {} + + // Return true iff the stopwatch is running. + bool is_running() const { + return is_running_; + } + + // Start measurement. + void start() { + if (!is_running_) { + start_time_ = SteadyClock::now(); + is_running_ = true; + } + } + // Stop measurement. + void stop() { + if (is_running_) { + elapsed_ += SteadyClock::now() - start_time_; + is_running_ = false; + } + } + + // Clear the elapsed time. + void reset() { + if (is_running_) { + start_time_ = SteadyClock::now(); + } + elapsed_ = Duration(0); + } + + // Get the current elapsed time. + Duration elapsed() const { + if (is_running_) { + return elapsed_ + (SteadyClock::now() - start_time_); + } else { + return elapsed_; + } + } + + private: + Duration elapsed_; + Time start_time_; + bool is_running_; +}; + +} // namespace grnxx + +#endif // GRNXX_STOPWATCH_HPP Modified: test/Makefile.am (+4 -0) =================================================================== --- test/Makefile.am 2013-02-28 11:36:19 +0900 (4115bff) +++ test/Makefile.am 2013-02-28 12:10:04 +0900 (72c1ec1) @@ -26,6 +26,7 @@ TESTS = \ test_os \ test_recycler \ test_slice \ + test_stopwatch \ test_string \ test_string_builder \ test_string_format \ @@ -109,6 +110,9 @@ test_recycler_LDADD = ../lib/libgrnxx.la test_slice_SOURCES = test_slice.cpp test_slice_LDADD = ../lib/libgrnxx.la +test_stopwatch_SOURCES = test_stopwatch.cpp +test_stopwatch_LDADD = ../lib/libgrnxx.la + test_string_SOURCES = test_string.cpp test_string_LDADD = ../lib/libgrnxx.la Modified: test/test_broken_down_time.cpp (+1 -1) =================================================================== --- test/test_broken_down_time.cpp 2013-02-28 11:36:19 +0900 (cde8438) +++ test/test_broken_down_time.cpp 2013-02-28 12:10:04 +0900 (528bf5b) @@ -1,5 +1,5 @@ /* - Copyright (C) 2012-2013 Brazil, Inc. + Copyright (C) 2013 Brazil, Inc. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public Added: test/test_stopwatch.cpp (+66 -0) 100644 =================================================================== --- /dev/null +++ test/test_stopwatch.cpp 2013-02-28 12:10:04 +0900 (7b226a5) @@ -0,0 +1,66 @@ +/* + Copyright (C) 2013 Brazil, Inc. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#include <cassert> + +#include "logger.hpp" +#include "stopwatch.hpp" +#include "thread.hpp" + +int main() { + grnxx::Logger::set_flags(grnxx::LOGGER_WITH_ALL | + grnxx::LOGGER_ENABLE_COUT); + grnxx::Logger::set_max_level(grnxx::NOTICE_LOGGER); + + grnxx::Stopwatch stopwatch; + assert(stopwatch.elapsed() == grnxx::Duration(0)); + + stopwatch.start(); + grnxx::Thread::sleep(grnxx::Duration::milliseconds(1)); + grnxx::Duration elapsed = stopwatch.elapsed(); + assert(elapsed > grnxx::Duration(0)); + + grnxx::Thread::sleep(grnxx::Duration::milliseconds(1)); + assert(stopwatch.elapsed() > elapsed); + + stopwatch.stop(); + elapsed = stopwatch.elapsed(); + + grnxx::Thread::sleep(grnxx::Duration::milliseconds(1)); + assert(stopwatch.elapsed() == elapsed); + + stopwatch.start(); + grnxx::Thread::sleep(grnxx::Duration::milliseconds(1)); + assert(stopwatch.elapsed() > elapsed); + + GRNXX_NOTICE() << "stopwatch.elapsed() = " << stopwatch.elapsed(); + + elapsed = stopwatch.elapsed(); + stopwatch.reset(); + grnxx::Thread::sleep(grnxx::Duration::milliseconds(1)); + assert(stopwatch.elapsed() < elapsed); + assert(stopwatch.elapsed() > grnxx::Duration(0)); + + stopwatch.stop(); + stopwatch.reset(); + assert(stopwatch.elapsed() == grnxx::Duration(0)); + + grnxx::Thread::sleep(grnxx::Duration::milliseconds(1)); + assert(stopwatch.elapsed() == grnxx::Duration(0)); + + return 0; +} -------------- next part -------------- HTML����������������������������...Download
