Jeffrey.stines

.gitignore

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+**/.idea
+**/bin
+**/obj
+**/.DS_Store
+**/.vs
+**/*.DotSettings.user
+
+**.csproj.user
+
+**.orig

RomanNumbers.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RomanNumbers", "RomanNumbers\RomanNumbers.csproj", "{04E6EE40-4E55-484A-9470-8114CE66D5A6}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RomanNumbers_Tests", "RomanNumbers_Tests\RomanNumbers_Tests.csproj", "{BD117369-C26D-4456-BE0E-635A6CC49B6E}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{04E6EE40-4E55-484A-9470-8114CE66D5A6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{04E6EE40-4E55-484A-9470-8114CE66D5A6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{04E6EE40-4E55-484A-9470-8114CE66D5A6}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{04E6EE40-4E55-484A-9470-8114CE66D5A6}.Release|Any CPU.Build.0 = Release|Any CPU
+		{BD117369-C26D-4456-BE0E-635A6CC49B6E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BD117369-C26D-4456-BE0E-635A6CC49B6E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BD117369-C26D-4456-BE0E-635A6CC49B6E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BD117369-C26D-4456-BE0E-635A6CC49B6E}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

RomanNumbers/GlobalUsings.cs

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+// Global using directives
+
+global using static System.Console;
+global using static System.IO.File;

RomanNumbers/Program.cs

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+var p = ReadAllLines(args[0]);
+
+string[][] x =
+[
+	["I", "IV", "V", "I"],
+	["X", "XL", "L", "X", "X"],
+	["C", "CD", "D", "C", "C"],
+	["M"]
+];
+
+foreach (var l in p)
+{
+	var o = "";
+	var i = 1;
+	foreach (var h in l.Reverse())
+	{
+		var e = h - '0';
+		o =
+			e == 1 && i != 1 ? x[i - 1][4] + o :
+			e < 4 && e != 0 ? new string(x[i - 1][0][0], e) + o :
+			e == 4 ? x[i - 1][1] + o :
+			e < 10 && e != 0 ? x[i - 1][2] + new string(x[i - 1][3][0], e - 5) + o :
+			o;
+		i++;
+	}
+	WriteLine(o);
+}

RomanNumbers/RomanNumbers.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net9.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <Content Include="./input.txt">
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+        </Content>
+    </ItemGroup>
+
+    <ItemGroup>
+        <AssemblyAttribute Include="System.Runtime.CompilerServices.InternalsVisibleToAttribute">
+            <_Parameter1>RomanNumbers_Tests</_Parameter1>
+        </AssemblyAttribute>
+    </ItemGroup>
+
+</Project>

RomanNumbers/input.txt

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+1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+20
+25
+31
+43
+50
+55
+60
+90
+104
+243
+401
+3277

RomanNumbers_Tests/Program.cs

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+using System.Diagnostics;
+using Xunit;
+
+namespace RomanNumbers_Tests;
+
+public class RomanNumberConversionTests
+{
+	// [Fact]
+	// public void TestConsoleOutput()
+	// {
+	// 	// Setup test file
+	// 	var testFilePath = Path.GetTempFileName();
+	// 	File.WriteAllText(testFilePath, "42\n99");
+	//
+	// 	// Redirect console output
+	// 	var originalOut = Console.Out;
+	// 	using var output = new StringWriter();
+	// 	Console.SetOut(output);
+	//
+	// 	// Run your minimal program
+	// 	Program.Main(new[] { testFilePath });
+	//
+	// 	// Check results
+	// 	var result = output.ToString().Trim();
+	// 	Assert.Equal("XLII\nXCIX", result);
+	//
+	// 	// Cleanup
+	// 	Console.SetOut(originalOut);
+	// 	File.Delete(testFilePath);
+	// }
+
+	[Fact]
+	public void TestEndToEnd()
+	{
+		// Create test input file
+		// var inputPath = Path.Combine(Path.GetTempPath(), "test-input.txt");
+		// File.WriteAllText(inputPath, "27\n238\n2019");
+		var programPath = "C:\\source\\playground\\code_golf\\RomanNumbers_Tests\\bin\\Debug\\net9.0\\RomanNumbers.exe";
+		var inputFilePath = "C:\\source\\playground\\code_golf\\RomanNumbers_Tests\\input.txt";
+		var expectedOutputFilePath = "C:\\source\\playground\\code_golf\\RomanNumbers_Tests\\output.txt";
+
+		var expectedOutput = File.ReadAllText(expectedOutputFilePath);
+		var expectedOutputLines = expectedOutput.Split('\n', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
+
+		// Build process to run your compiled app
+		var process = new Process
+		{
+			StartInfo = new ProcessStartInfo
+			{
+				FileName = programPath,
+				Arguments = inputFilePath,
+				RedirectStandardOutput = true,
+				UseShellExecute = false
+			}
+		};
+
+		// Run and capture output
+		process.Start();
+		var output = process.StandardOutput.ReadToEnd();
+		var lines = output.Split('\n', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
+
+		Assert.NotEmpty(lines);
+		for (var i = 0; i < lines.Length; i++)
+		{
+			var line = lines[i];
+			var expected = expectedOutputLines[i];
+			Assert.Equal(expected, line);
+		}
+
+		process.WaitForExit();
+
+		//Assert.Equal("XXVII\nCCXXXVIII\nMMXIX", output.Trim());
+		//File.Delete(inputPath);
+	}
+}

RomanNumbers_Tests/RomanNumbers_Tests.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net9.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <IsTestProject>true</IsTestProject>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+      <PackageReference Include="xunit" Version="2.9.3" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\RomanNumbers\RomanNumbers.csproj" />
+    </ItemGroup>
+</Project>

RomanNumbers_Tests/input.txt

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+1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+20
+25
+31
+43
+50
+55
+60
+90
+104
+243
+401
+3277

RomanNumbers_Tests/output.txt

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+I
+II
+III
+IV
+V
+VI
+VII
+VIII
+VIIII
+X
+XI
+XX
+XXV
+XXXI
+XLIII
+L
+LV
+LX
+LXXXX
+CIV
+CCXLIII
+CDI
+MMMCCLXXVII