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Comment:smaz_tests: new tests suite for instantiated Smaz packages
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 769ae2dc25b83573bcde4d8f510cdc6c28f86cbb
User & Date: nat on 2016-11-17 21:23:35
Other Links: manifest | tags
Context
2016-11-18
22:43
smaz-tools: add dictionary-independent scoring functions check-in: ebefb3c832 user: nat tags: trunk
2016-11-17
21:23
smaz_tests: new tests suite for instantiated Smaz packages check-in: 769ae2dc25 user: nat tags: trunk
2016-11-16
21:50
Duplicate original Smaz dictionary to be used with Natools.Smaz_256 check-in: 47b2749cad user: nat tags: trunk
Changes
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Added tests/natools-smaz_tests.adb version [cdb5cd0bfb]. 






























































































































































































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------------------------------------------------------------------------------
-- Copyright (c) 2015-2016, 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 Ada.Streams;
with Ada.Strings.Unbounded;
with Natools.Smaz_256;
with Natools.Smaz_Original;

package body Natools.Smaz_Tests is

   function Image (S : Ada.Streams.Stream_Element_Array) return String;

   procedure Roundtrip_Test
     (Test : in out NT.Test;
      Dict : in Smaz_256.Dictionary;
      Decompressed : in String;
      Compressed : in Ada.Streams.Stream_Element_Array);


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

   function Image (S : Ada.Streams.Stream_Element_Array) return String is
      use Ada.Strings.Unbounded;
      Result : Unbounded_String;
   begin
      for I in S'Range loop
         Append (Result, Ada.Streams.Stream_Element'Image (S (I)));
      end loop;

      return To_String (Result);
   end Image;


   procedure Roundtrip_Test
     (Test : in out NT.Test;
      Dict : in Smaz_256.Dictionary;
      Decompressed : in String;
      Compressed : in Ada.Streams.Stream_Element_Array)
   is
      use type Ada.Streams.Stream_Element_Array;
      use type Ada.Streams.Stream_Element_Offset;
   begin
      declare
         First_OK : Boolean := False;
      begin
         declare
            Buffer : constant Ada.Streams.Stream_Element_Array
              := Smaz_256.Compress (Dict, Decompressed);
         begin
            First_OK := True;

            if Buffer /= Compressed then
               Test.Fail ("Bad compression of """ & Decompressed & '"');
               Test.Info ("Found:   " & Image (Buffer));
               Test.Info ("Expected:" & Image (Compressed));

               declare
                  Round : constant String
                    := Smaz_256.Decompress (Dict, Buffer);
               begin
                  if Round /= Decompressed then
                     Test.Info ("Roundtrip failed, got: """ & Round & '"');
                  else
                     Test.Info ("Roundtrip OK");
                  end if;
               end;
            end if;
         end;
      exception
         when Error : others =>
            if not First_OK then
               Test.Info ("During compression of """ & Decompressed & '"');
            end if;

            Test.Report_Exception (Error, NT.Fail);
      end;

      declare
         First_OK : Boolean := False;
      begin
         declare
            Buffer : constant String
              := Smaz_256.Decompress (Dict, Compressed);
         begin
            First_OK := True;

            if Buffer /= Decompressed then
               Test.Fail ("Bad decompression of " & Image (Compressed));
               Test.Info ("Found:   """ & Buffer & '"');
               Test.Info ("Expected:""" & Decompressed & '"');

               declare
                  Round : constant Ada.Streams.Stream_Element_Array
                    := Smaz_256.Compress (Dict, Buffer);
               begin
                  if Round /= Compressed then
                     Test.Info ("Roundtrip failed, got: " & Image (Round));
                  else
                     Test.Info ("Roundtrip OK");
                  end if;
               end;
            end if;
         end;
      exception
         when Error : others =>
            if not First_OK then
               Test.Info ("During compression of " & Image (Compressed));
            end if;

            Test.Report_Exception (Error, NT.Fail);
      end;
   end Roundtrip_Test;



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

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



   ----------------------
   -- Individual Tests --
   ----------------------

   procedure Sample_Strings (Report : in out NT.Reporter'Class) is
      Test : NT.Test := Report.Item ("Roundtrip on sample strings");
   begin
      Roundtrip_Test (Test, Smaz_Original.Dictionary,
         "This is a small string",
         (254, 84, 76, 56, 172, 62, 173, 152, 62, 195, 70));
      Roundtrip_Test (Test, Smaz_Original.Dictionary,
         "foobar",
         (220, 6, 90, 79));
      Roundtrip_Test (Test, Smaz_Original.Dictionary,
         "the end",
         (1, 171, 61));
      Roundtrip_Test (Test, Smaz_Original.Dictionary,
         "not-a-g00d-Exampl333",
         (132, 204, 4, 204, 59, 255, 12, 48, 48, 100, 45, 69, 120, 97, 109,
           112, 108, 51, 51, 51));
      Roundtrip_Test (Test, Smaz_Original.Dictionary,
         "Smaz is a simple compression library",
         (254, 83, 173, 219, 56, 172, 62, 226, 60, 87, 161, 45, 60, 33, 166,
           107, 205, 8, 90, 130, 12, 83));
      Roundtrip_Test (Test, Smaz_Original.Dictionary,
         "Nothing is more difficult, and therefore more precious, "
           & "than to be able to decide",
         (254, 78, 223, 102, 99, 116, 45, 42, 11, 129, 44, 44, 131, 38, 22, 3,
           148, 63, 210, 68, 11, 45, 42, 11, 60, 33, 28, 144, 164, 36, 203,
           143, 96, 92, 25, 90, 87, 82, 165, 215, 237, 2));
      Roundtrip_Test (Test, Smaz_Original.Dictionary,
         "this is an example of what works very well with smaz",
         (155, 56, 172, 41, 2, 250, 4, 45, 60, 87, 32, 159, 135, 65, 42, 254,
           107, 23, 231, 71, 145, 152, 243, 227, 10, 173, 219));
      Roundtrip_Test (Test, Smaz_Original.Dictionary,
         "1000 numbers 2000 will 10 20 30 compress very little",
         (255, 3, 49, 48, 48, 48, 236, 38, 45, 92, 221, 0, 255, 3, 50, 48, 48,
           48, 243, 152, 0, 255, 7, 49, 48, 32, 50, 48, 32, 51,
           48, 161, 45, 60, 33, 166, 0, 231, 71, 151, 3, 3, 87));
      Roundtrip_Test (Test, Smaz_Original.Dictionary,
         ": : : :",
         (255, 6, 58, 32, 58, 32, 58, 32, 58));
   exception
      when Error : others => Test.Report_Exception (Error);
   end Sample_Strings;

end Natools.Smaz_Tests;








Added tests/natools-smaz_tests.ads version [57a34c8ad7].































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------------------------------------------------------------------------------
-- Copyright (c) 2016, 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.Tests;

package Natools.Smaz_Tests is

   package NT renames Natools.Tests;

   procedure All_Tests (Report : in out NT.Reporter'Class);

   procedure Sample_Strings (Report : in out NT.Reporter'Class);

end Natools.Smaz_Tests;








Modified tests/test_all.adb
from [4cf3530b46]
to [f265b02eb2].




︙


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with Natools.S_Expressions.Lockable.Tests;
with Natools.S_Expressions.Parsers.Tests;
with Natools.S_Expressions.Printers.Tests;
with Natools.S_Expressions.Printers.Pretty.Tests;
with Natools.S_Expressions.Printers.Pretty.Config.Tests;
with Natools.S_Expressions.Templates.Tests;
with Natools.Smaz.Tests;
with Natools.Smaz_Tests;
with Natools.Static_Hash_Maps.S_Expressions.Tests;
with Natools.String_Slice_Set_Tests;
with Natools.String_Slice_Tests;
with Natools.Time_IO.Tests;
with Natools.Time_Keys.Tests;
with Natools.Time_Statistics.Tests;
with Natools.Tests.Text_IO;




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   Report.End_Section;

   Report.Section ("S_Expressions.Templates");
   Natools.S_Expressions.Templates.Tests.All_Tests (Report);
   Report.End_Section;

   Report.Section ("Smaz");
   Natools.Smaz_Tests.All_Tests (Report);
   Report.End_Section;

   Report.Section ("Smaz (superseded)");
   Natools.Smaz.Tests.All_Tests (Report);
   Report.End_Section;

   Report.Section ("Static_Hash_Maps.S_Expressions");
   Natools.Static_Hash_Maps.S_Expressions.Tests.All_Tests (Report);
   Report.End_Section;





︙












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