ENH: replace OSspecific clockValue with std::chrono version (#1278)

- aids with portability and maintenance (#1238)
2025-11-28 03:28:01 +00:00 · 2019-04-11 10:07:54 +02:00
parent dd7449a6ee
commit 106d4b2b5a
14 changed files with 173 additions and 116 deletions
--- a/applications/test/clock/Test-clock.C
+++ b/applications/test/clock/Test-clock.C
@ -0,0 +1,127 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2018-2019 OpenCFD Ltd.
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM 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 General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+Description
+    Test some clock-related routines
+
+\*---------------------------------------------------------------------------*/
+
+#include "OSspecific.H"
+#include "clock.H"
+#include "clockTime.H"
+#include "cpuTime.H"
+#include "clockValue.H"
+
+using namespace Foam;
+
+
+template<class ClockValue>
+void testEpoch()
+{
+    Info<< nl << "Test epoch" << nl;
+
+    ClockValue now(true);
+
+    Info<< "epoch = " << now.str() << "  # day-hh:mm::ss" << nl
+        << "epoch = " << now << nl;
+}
+
+
+template<class ClockValue>
+void testElapsed()
+{
+    Info<< nl << "Test elapsed" << nl;
+
+    ClockValue a;
+
+    Info<< "clockValue() " << a << nl;
+    a.update();
+    Info<< "updated " << a << nl;
+
+    Info<< "sleep 4..." << endl;
+    sleep(4);
+
+    a.update();
+    Info<< " = " << a.seconds() << nl;
+
+    Info<< "sleep 2..." << endl;
+    sleep(2);
+
+    Info<< "elapsed = " << a.elapsed() << nl
+        << "elapsed = " << a.elapsed().seconds() << nl
+        << "elapsed = " << a.elapsed().str() << nl;
+
+    ClockValue b(true);
+
+    Info<< "(" << b << " - " << a << ") = " << (b - a) << nl;
+    Info<< "(" << b << " + " << a << ") = " << (b + a) << nl;
+}
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+// Main program:
+
+int main(int argc, char *argv[])
+{
+    {
+        Foam::clock sysClock();
+
+        Info<< "clock: date "  << clock::date() << nl
+            << "clock: time "  << clock::clockTime() << nl
+            << "clock: iso  "  << clock::dateTime() << nl;
+    }
+
+    testEpoch<clockValue>();
+
+    testElapsed<clockValue>();
+
+
+    {
+        clockTime clk;
+
+        Info<< "starting clockTime" << nl;
+
+        Info<< "sleep 4..." << endl;
+        sleep(4);
+
+        Info<< "increment = " << clk.timeIncrement() << nl;
+        Info<< "elapsed   = " << clk.elapsedTime() << nl;
+
+        Info<< "sleep 4..." << endl;
+        sleep(4);
+        Info<< "increment = " << clk.timeIncrement() << nl;
+        Info<< "elapsed   = " << clk.elapsedTime() << nl;
+
+        Info<< "sleep 2..." << endl;
+        sleep(2);
+        Info<< "elapsed   = " << clk.elapsedTime() << nl;
+        Info<< "increment = " << clk.timeIncrement() << nl;
+    }
+
+    Info<< "End\n" << endl;
+
+    return 0;
+}
+
+
+// ************************************************************************* //