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1083999d3e
TimerTest fails on Windows unless the sleep time is set to at least a millisecond (1,000 microseconds). Keep it nice and low for other platforms though, because the sleep time is wasted.
44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
#include "Timer.h"
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#define BOOST_TEST_MODULE TimerTest
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#include <boost/test/unit_test.hpp>
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#include <string>
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#include <unistd.h>
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using namespace MosesTuning;
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BOOST_AUTO_TEST_CASE(timer_basic_test)
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{
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Timer timer;
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// Sleep time. The test will sleep for this number of microseconds, and
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// expect the elapsed time to be noticeable.
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// Keep this number low to avoid wasting test time sleeping, but at least as
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// high as the Boost timer's resolution. Tests must pass consistently, not
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// just on lucky runs.
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#if defined(WIN32)
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// Timer resolution on Windows seems to be a millisecond. Anything less and
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// the test fails consistently.
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const int sleep_time_microsec = 1000;
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#else
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// Unix-like systems seem to have more fine-grained clocks.
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const int sleep_time_microsec = 40;
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#endif
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timer.start();
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BOOST_REQUIRE(timer.is_running());
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BOOST_REQUIRE(usleep(sleep_time_microsec) == 0);
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BOOST_CHECK(timer.get_elapsed_wall_time() > 0.0);
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BOOST_CHECK(timer.get_elapsed_wall_time_microseconds() > 0);
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timer.restart();
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BOOST_REQUIRE(timer.is_running());
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BOOST_REQUIRE(usleep(sleep_time_microsec) == 0);
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BOOST_CHECK(timer.get_elapsed_wall_time() > 0.0);
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BOOST_CHECK(timer.get_elapsed_wall_time_microseconds() > 0);
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const std::string s = timer.ToString();
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BOOST_CHECK(!s.empty());
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}
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