Added solution for "Day 20: Pulse Propagation", part 1

tests/AdventOfCodeFPCUnit.lpi

@@ -120,6 +120,10 @@
         <Filename Value="UAplentyTestCases.pas"/>
         <IsPartOfProject Value="True"/>
       </Unit>
+      <Unit>
+        <Filename Value="UPulsePropagationTestCases.pas"/>
+        <IsPartOfProject Value="True"/>
+      </Unit>
     </Units>
   </ProjectOptions>
   <CompilerOptions>

tests/AdventOfCodeFPCUnit.lpr

@@ -7,7 +7,8 @@ uses
   UGearRatiosTestCases, UScratchcardsTestCases, UGiveSeedFertilizerTestCases, UWaitForItTestCases, UCamelCardsTestCases,
   UHauntedWastelandTestCases, UMirageMaintenanceTestCases, UPipeMazeTestCases, UCosmicExpansionTestCases,
   UHotSpringsTestCases, UPointOfIncidenceTestCases, UParabolicReflectorDishTestCases, ULensLibraryTestCases,
-  UFloorWillBeLavaTestCases, UClumsyCrucibleTestCases, ULavaductLagoonTestCases, UAplentyTestCases;
+  UFloorWillBeLavaTestCases, UClumsyCrucibleTestCases, ULavaductLagoonTestCases, UAplentyTestCases,
+UPulsePropagationTestCases;
 
 {$R *.res}
 

tests/UPulsePropagationTestCases.pas

@@ -0,0 +1,119 @@
+{
+  Solutions to the Advent Of Code.
+  Copyright (C) 2023  Stefan Müller
+
+  This program 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.
+
+  This program 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
+  this program.  If not, see <http://www.gnu.org/licenses/>.
+}
+
+unit UPulsePropagationTestCases;
+
+{$mode ObjFPC}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, fpcunit, testregistry, USolver, UBaseTestCases, UPulsePropagation;
+
+type
+
+  { TPulsePropagationFullDataTestCase }
+
+  TPulsePropagationFullDataTestCase = class(TEngineBaseTest)
+  protected
+    function CreateSolver: ISolver; override;
+  published
+    procedure TestPart1;
+    procedure TestPart2;
+  end;
+
+  { TPulsePropagationExampleTestCase }
+
+  TPulsePropagationExampleTestCase = class(TExampleEngineBaseTest)
+  protected
+    function CreateSolver: ISolver; override;
+  published
+    procedure TestPart1;
+  end;
+
+  { TExample2PulsePropagation }
+
+  TExample2PulsePropagation = class(TPulsePropagation)
+    function GetDataFileName: string; override;
+  end;
+
+  { TPulsePropagationExample2TestCase }
+
+  TPulsePropagationExample2TestCase = class(TExampleEngineBaseTest)
+  protected
+    function CreateSolver: ISolver; override;
+  published
+    procedure TestPart1;
+  end;
+
+implementation
+
+{ TPulsePropagationFullDataTestCase }
+
+function TPulsePropagationFullDataTestCase.CreateSolver: ISolver;
+begin
+  Result := TPulsePropagation.Create;
+end;
+
+procedure TPulsePropagationFullDataTestCase.TestPart1;
+begin
+  AssertEquals(949764474, FSolver.GetResultPart1);
+end;
+
+procedure TPulsePropagationFullDataTestCase.TestPart2;
+begin
+  AssertEquals(-1, FSolver.GetResultPart2);
+end;
+
+{ TPulsePropagationExampleTestCase }
+
+function TPulsePropagationExampleTestCase.CreateSolver: ISolver;
+begin
+  Result := TPulsePropagation.Create;
+end;
+
+procedure TPulsePropagationExampleTestCase.TestPart1;
+begin
+  AssertEquals(32000000, FSolver.GetResultPart1);
+end;
+
+{ TExample2PulsePropagation }
+
+function TExample2PulsePropagation.GetDataFileName: string;
+begin
+  Result := 'pulse_propagation2.txt';
+end;
+
+{ TPulsePropagationExample2TestCase }
+
+function TPulsePropagationExample2TestCase.CreateSolver: ISolver;
+begin
+  Result := TExample2PulsePropagation.Create;
+end;
+
+procedure TPulsePropagationExample2TestCase.TestPart1;
+begin
+  AssertEquals(11687500, FSolver.GetResultPart1);
+end;
+
+initialization
+
+  RegisterTest(TPulsePropagationFullDataTestCase);
+  RegisterTest(TPulsePropagationExampleTestCase);
+  RegisterTest(TPulsePropagationExample2TestCase);
+end.
+