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

- aids with portability and maintenance (#1238)

applications/test/OSspecific/Make/files

@@ -0,0 +1,3 @@
+Test-OSspecific.C
+
+EXE = $(FOAM_USER_APPBIN)/Test-OSspecific

applications/test/OSspecific/Test-OSspecific.C

@@ -0,0 +1,59 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 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
+    Report some basic os-specific values
+
+\*---------------------------------------------------------------------------*/
+
+#include "OSspecific.H"
+
+using namespace Foam;
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+// Main program:
+
+int main(int argc, char *argv[])
+{
+    Info<< "Report some basic OS-specific values" << nl;
+
+    Info<< nl
+        << "host   : " << hostName() << nl
+        << "user   : " << userName() << nl
+        << "home   : " << home() << nl;
+
+    Info<< nl
+        << "cwd    : " << cwd() << nl
+        << "cwd -P : " << cwd(false) << nl
+        << "cwd -L : " << cwd(true) << nl;
+
+    Info<< nl
+        << "libs   : " << dlLoaded() << nl;
+
+    Info<< "\nEnd\n" << endl;
+
+    return 0;
+}
+
+
+// ************************************************************************* //

applications/test/POSIX/Make/files

@@ -1,2 +0,0 @@
-Test-POSIX.C
-EXE = $(FOAM_USER_APPBIN)/Test-POSIX

applications/test/clock/Make/files

@@ -0,0 +1,3 @@
+Test-clock.C
+
+EXE = $(FOAM_USER_APPBIN)/Test-clock

applications/test/clock/Make/options

@@ -0,0 +1,2 @@
+/* EXE_INC = -I$(LIB_SRC)/finiteVolume/lnInclude */
+/* EXE_LIBS = -lfiniteVolume */

applications/test/clock/Test-clock.C

@@ -2,10 +2,8 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2018 OpenCFD Ltd.
+    \\  /    A nd           | Copyright (C) 2018-2019 OpenCFD Ltd.
      \\/     M anipulation  |
--------------------------------------------------------------------------------
-                            | Copyright (C) 2011 OpenFOAM Foundation
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -24,6 +22,7 @@ License
     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
 Description
+    Test some clock-related routines
 
 \*---------------------------------------------------------------------------*/
 
@@ -31,21 +30,59 @@ Description
 #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[])
 {
-    Info<<"cwd() " << cwd() << nl;
-    Info<<"cwd(-P) " << cwd(false) << nl;
-    Info<<"cwd(-L) " << cwd(true) << nl;
-
-    Info<<"rmDir" << nl;
-    rmDir("hmm");
-
     {
         Foam::clock sysClock();
 
@@ -54,33 +91,10 @@ int main(int argc, char *argv[])
             << "clock: iso  "  << clock::dateTime() << nl;
     }
 
-    Info<< "since epoch = " << clockValue::now().str() << nl;
+    testEpoch<clockValue>();
 
-    {
-        clockValue a;
+    testElapsed<clockValue>();
 
-        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;
-        Info<< "elapsed = " << a.elapsed().seconds() << nl;
-        Info<< "elapsed = " << a.elapsed().str() << nl;
-
-        clockValue b = clockValue::now();
-
-        Info<< "(" << b << " - " << a << ") = " << (b - a) << nl;
-        Info<< "(" << b << " + " << a << ") = " << (b + a) << nl;
-    }
 
     {
         clockTime clk;