{
  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;
    procedure TestPart2;
  end;

  { THotSpringsExampleTestCase }

  THotSpringsExampleTestCase = class(TExampleEngineBaseTest)
  protected
    function CreateSolver: ISolver; override;
  published
    procedure TestPart1;
    procedure TestPart2;
  end;

  { THotSpringsTestCase }

  THotSpringsTestCase = class(TSolverTestCase)
  protected
    function CreateSolver: ISolver; override;
    procedure TestSingleLine(const ALine: string);
  published
    procedure TestExampleLine1Part1;
    procedure TestExampleLine2Part1;
    procedure TestExampleLine3Part1;
    procedure TestExampleLine4Part1;
    procedure TestExampleLine5Part1;
    procedure TestExampleLine6Part1;
    procedure TestExampleLine1Part2;
    procedure TestExampleLine2Part2;
    procedure TestExampleLine3Part2;
    procedure TestExampleLine4Part2;
    procedure TestExampleLine5Part2;
    procedure TestExampleLine6Part2;
  end;

implementation

procedure THotSpringsFullDataTestCase.TestPart2;
begin
  AssertEquals(-1, FSolver.GetResultPart2);
end;

{ THotSpringsExampleTestCase }

function THotSpringsExampleTestCase.CreateSolver: ISolver;
begin
  Result := THotSprings.Create;
end;

procedure THotSpringsExampleTestCase.TestPart1;
begin
  AssertEquals(21, FSolver.GetResultPart1);
end;

procedure THotSpringsExampleTestCase.TestPart2;
begin
  AssertEquals(525152, FSolver.GetResultPart2);
end;

{ THotSpringsTestCase }

function THotSpringsTestCase.CreateSolver: ISolver;
begin
  Result := THotSprings.Create;
end;

procedure THotSpringsTestCase.TestSingleLine(const ALine: string);
begin
  FSolver.Init;
  FSolver.ProcessDataLine(ALine);
  FSolver.Finish;
end;

procedure THotSpringsTestCase.TestExampleLine1Part1;
begin
  TestSingleLine('???.### 1,1,3');
  AssertEquals(1, FSolver.GetResultPart1);
end;

procedure THotSpringsTestCase.TestExampleLine2Part1;
begin
  TestSingleLine('.??..??...?##. 1,1,3');
  AssertEquals(4, FSolver.GetResultPart1);
end;

procedure THotSpringsTestCase.TestExampleLine3Part1;
begin
  TestSingleLine('?#?#?#?#?#?#?#? 1,3,1,6');
  AssertEquals(1, FSolver.GetResultPart1);
end;

procedure THotSpringsTestCase.TestExampleLine4Part1;
begin
  TestSingleLine('????.#...#... 4,1,1');
  AssertEquals(1, FSolver.GetResultPart1);
end;

procedure THotSpringsTestCase.TestExampleLine5Part1;
begin
  TestSingleLine('????.######..#####. 1,6,5');
  AssertEquals(4, FSolver.GetResultPart1);
end;

procedure THotSpringsTestCase.TestExampleLine6Part1;
begin
  TestSingleLine('?###???????? 3,2,1');
  AssertEquals(10, FSolver.GetResultPart1);
end;

procedure THotSpringsTestCase.TestExampleLine1Part2;
begin
  TestSingleLine('???.### 1,1,3');
  AssertEquals(1, FSolver.GetResultPart2);
end;

procedure THotSpringsTestCase.TestExampleLine2Part2;
begin
  TestSingleLine('.??..??...?##. 1,1,3');
  AssertEquals(16384, FSolver.GetResultPart2);
end;

procedure THotSpringsTestCase.TestExampleLine3Part2;
begin
  TestSingleLine('?#?#?#?#?#?#?#? 1,3,1,6');
  AssertEquals(1, FSolver.GetResultPart2);
end;

procedure THotSpringsTestCase.TestExampleLine4Part2;
begin
  TestSingleLine('????.#...#... 4,1,1');
  AssertEquals(16, FSolver.GetResultPart2);
end;

procedure THotSpringsTestCase.TestExampleLine5Part2;
begin
  TestSingleLine('????.######..#####. 1,6,5');
  AssertEquals(2500, FSolver.GetResultPart2);
end;

procedure THotSpringsTestCase.TestExampleLine6Part2;
begin
  TestSingleLine('?###???????? 3,2,1');
  AssertEquals(506250, FSolver.GetResultPart2);
end;

initialization

  RegisterTest('THotSprings', THotSpringsExampleTestCase);
  RegisterTest('THotSprings', THotSpringsTestCase);
end.