Added solution for "Day 12: Hot Springs", part 1

tests/AdventOfCodeFPCUnit.lpi

@@ -88,6 +88,10 @@
         <Filename Value="UCosmicExpansionTestCases.pas"/>
         <IsPartOfProject Value="True"/>
       </Unit>
+      <Unit>
+        <Filename Value="UHotSpringsTestCases.pas"/>
+        <IsPartOfProject Value="True"/>
+      </Unit>
     </Units>
   </ProjectOptions>
   <CompilerOptions>

tests/AdventOfCodeFPCUnit.lpr

@@ -5,7 +5,8 @@ program AdventOfCodeFPCUnit;
 uses
   Interfaces, Forms, GuiTestRunner, USolver, UBaseTestCases, UTrebuchetTestCases, UCubeConundrumTestCases,
   UGearRatiosTestCases, UScratchcardsTestCases, UGiveSeedFertilizerTestCases, UWaitForItTestCases, UCamelCardsTestCases,
-  UHauntedWastelandTestCases, UMirageMaintenanceTestCases, UPipeMazeTestCases, UCosmicExpansionTestCases;
+  UHauntedWastelandTestCases, UMirageMaintenanceTestCases, UPipeMazeTestCases, UCosmicExpansionTestCases, 
+  UHotSpringsTestCases;
 
 {$R *.res}
 

tests/UHotSpringsTestCases.pas

@@ -0,0 +1,139 @@
+{
+  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 UHotSpringsTestCases;
+
+{$mode ObjFPC}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, fpcunit, testregistry, USolver, UBaseTestCases, UHotSprings;
+
+type
+
+  { THotSpringsFullDataTestCase }
+
+  THotSpringsFullDataTestCase = class(TEngineBaseTest)
+  protected
+    function CreateSolver: ISolver; override;
+  published
+    procedure TestPart1;
+  end;
+
+  { THotSpringsExampleTestCase }
+
+  THotSpringsExampleTestCase = class(TExampleEngineBaseTest)
+  protected
+    function CreateSolver: ISolver; override;
+  published
+    procedure TestPart1;
+  end;
+
+  { THotSpringsTestCase }
+
+  THotSpringsTestCase = class(TSolverTestCase)
+  protected
+    function CreateSolver: ISolver; override;
+    procedure TestSingleLine(const ALine: string; const AValue: Integer);
+  published
+    procedure TestExampleLine1;
+    procedure TestExampleLine2;
+    procedure TestExampleLine3;
+    procedure TestExampleLine4;
+    procedure TestExampleLine5;
+    procedure TestExampleLine6;
+  end;
+
+implementation
+
+{ THotSpringsFullDataTestCase }
+
+function THotSpringsFullDataTestCase.CreateSolver: ISolver;
+begin
+  Result := THotSprings.Create;
+end;
+
+procedure THotSpringsFullDataTestCase.TestPart1;
+begin
+  AssertEquals(7344, FSolver.GetResultPart1);
+end;
+
+{ THotSpringsExampleTestCase }
+
+function THotSpringsExampleTestCase.CreateSolver: ISolver;
+begin
+  Result := THotSprings.Create;
+end;
+
+procedure THotSpringsExampleTestCase.TestPart1;
+begin
+  AssertEquals(21, FSolver.GetResultPart1);
+end;
+
+{ THotSpringsTestCase }
+
+function THotSpringsTestCase.CreateSolver: ISolver;
+begin
+  Result := THotSprings.Create;
+end;
+
+procedure THotSpringsTestCase.TestSingleLine(const ALine: string; const AValue: Integer);
+begin
+  FSolver.Init;
+  FSolver.ProcessDataLine(ALine);
+  FSolver.Finish;
+  AssertEquals(AValue, FSolver.GetResultPart1);
+end;
+
+procedure THotSpringsTestCase.TestExampleLine1;
+begin
+  TestSingleLine('???.### 1,1,3', 1);
+end;
+
+procedure THotSpringsTestCase.TestExampleLine2;
+begin
+  TestSingleLine('.??..??...?##. 1,1,3', 4);
+end;
+
+procedure THotSpringsTestCase.TestExampleLine3;
+begin
+  TestSingleLine('?#?#?#?#?#?#?#? 1,3,1,6', 1);
+end;
+
+procedure THotSpringsTestCase.TestExampleLine4;
+begin
+  TestSingleLine('????.#...#... 4,1,1', 1);
+end;
+
+procedure THotSpringsTestCase.TestExampleLine5;
+begin
+  TestSingleLine('????.######..#####. 1,6,5', 4);
+end;
+
+procedure THotSpringsTestCase.TestExampleLine6;
+begin
+  TestSingleLine('?###???????? 3,2,1', 10);
+end;
+
+initialization
+
+  RegisterTest(THotSpringsFullDataTestCase);
+  RegisterTest(THotSpringsExampleTestCase);
+  RegisterTest(THotSpringsTestCase);
+end.
+