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author | Jeroen Vermeulen <jtv@precisiontranslationtools.com> | 2015-04-22 08:45:41 +0300 |
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committer | Jeroen Vermeulen <jtv@precisiontranslationtools.com> | 2015-04-22 08:45:41 +0300 |
commit | 1083999d3e4447ac347b8bcbb04a0733ae8c3654 (patch) | |
tree | f3b2de6aa564d31428a83dbcc2065c9827bd9147 /mert | |
parent | 02d1d9a4af94ad148521fa934e802561e9b685a3 (diff) |
Adapt test to poor Windows timer resolution.
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.
Diffstat (limited to 'mert')
-rw-r--r-- | mert/TimerTest.cpp | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/mert/TimerTest.cpp b/mert/TimerTest.cpp index d72b1c312..532e44fc1 100644 --- a/mert/TimerTest.cpp +++ b/mert/TimerTest.cpp @@ -11,7 +11,20 @@ using namespace MosesTuning; BOOST_AUTO_TEST_CASE(timer_basic_test) { Timer timer; - const int sleep_time_microsec = 40; // ad-hoc microseconds to pass unit tests. + + // Sleep time. The test will sleep for this number of microseconds, and + // expect the elapsed time to be noticeable. + // Keep this number low to avoid wasting test time sleeping, but at least as + // high as the Boost timer's resolution. Tests must pass consistently, not + // just on lucky runs. +#if defined(WIN32) + // Timer resolution on Windows seems to be a millisecond. Anything less and + // the test fails consistently. + const int sleep_time_microsec = 1000; +#else + // Unix-like systems seem to have more fine-grained clocks. + const int sleep_time_microsec = 40; +#endif timer.start(); BOOST_REQUIRE(timer.is_running()); |