Natools

File tests/natools-time_statistics-tests.adb from the latest check-in

------------------------------------------------------------------------------
-- Copyright (c) 2014, Natacha Porté                                        --
--                                                                          --
-- Permission to use, copy, modify, and distribute this software for any    --
-- purpose with or without fee is hereby granted, provided that the above   --
-- copyright notice and this permission notice appear in all copies.        --
--                                                                          --
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES --
-- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF         --
-- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR  --
-- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES   --
-- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN    --
-- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF  --
-- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.           --
------------------------------------------------------------------------------

with Natools.Time_Statistics.Coarse_Timers;
with Natools.Time_Statistics.Fine_Timers;
with Natools.Time_Statistics.Generic_Timers;

package body Natools.Time_Statistics.Tests is

   generic
      with package Timers is new Generic_Timers (<>);
      Total_Length : in Duration;
   procedure Test_Timer (Test : in out NT.Test);


   ------------------------------
   -- Local Helper Subprograms --
   ------------------------------

   procedure Check is new NT.Generic_Check
     (Natural, "=", Natural'Image, False);

   procedure Check is new NT.Generic_Check
     (Duration, "=", Duration'Image, False);


   procedure Test_Timer (Test : in out NT.Test) is
      Stats : aliased Summary;
   begin
      declare
         Actual_Auto : Timers.Auto_Timer (Stats'Access);
         Aborted_Auto : Timers.Auto_Timer (Stats'Access);
         Manual : Timers.Manual_Timer (Stats'Access);

         pragma Unreferenced (Actual_Auto);
      begin
         Manual.Start;
         Check (Test, 0, Stats.Sample_Count);

         delay Total_Length / 2;

         Aborted_Auto.Cancel;
         Manual.Stop;
         Check (Test, 1, Stats.Sample_Count, "Sample count");
         Manual.Start;

         delay Total_Length / 2;

         Manual.Cancel;
         Check (Test, 1, Stats.Sample_Count, "Sample count");
      end;

      Check (Test, 2, Stats.Sample_Count, "Sample count");
   end Test_Timer;


   procedure Coarse_Timer is new Test_Timer (Coarse_Timers, 0.2);

   procedure Fine_Timer is new Test_Timer (Fine_Timers, 0.2);



   -------------------------
   -- Complete Test Suite --
   -------------------------

   procedure All_Tests (Report : in out NT.Reporter'Class) is
   begin
      Summary_Accumulator (Report);
      Coarse_Timer (Report);
      Fine_Timer (Report);
   end All_Tests;



   -----------------------
   -- Inidividual Tests --
   -----------------------

   procedure Coarse_Timer (Report : in out NT.Reporter'Class) is
      Test : NT.Test := Report.Item ("Coarse timer standard use");
   begin
      Coarse_Timer (Test);
   exception
      when Error : others => Test.Report_Exception (Error);
   end Coarse_Timer;


   procedure Fine_Timer (Report : in out NT.Reporter'Class) is
      Test : NT.Test := Report.Item ("Fine timer standard use");
   begin
      Fine_Timer (Test);
   exception
      when Error : others => Test.Report_Exception (Error);
   end Fine_Timer;


   procedure Summary_Accumulator (Report : in out NT.Reporter'Class) is
      Test : NT.Test := Report.Item ("Summary accumulator");
   begin
      declare
         Stats : Summary;
      begin
         Stats.Add (10.1);
         Stats.Add (9.9);

         Check (Test, 2, Stats.Sample_Count, "Sample count");
         Check (Test, 10.1, Stats.Maximum, "Maximum");
         Check (Test, 9.9, Stats.Minimum, "Minimum");
         Check (Test, 10.0, Stats.Mean, "Mean");

         Stats.Add (10.3);

         Check (Test, 3, Stats.Sample_Count, "Sample count");
         Check (Test, 10.3, Stats.Maximum, "Maximum");
         Check (Test, 9.9, Stats.Minimum, "Minimum");
         Check (Test, 10.1, Stats.Mean, "Mean");
      end;
   exception
      when Error : others => Test.Report_Exception (Error);
   end Summary_Accumulator;

end Natools.Time_Statistics.Tests;