some defensive coding

microsoft · Dec 17, 2024 · 55937a0 · 55937a0
1 parent d1e1541
commit 55937a0
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/dotnet/src/Experimental/Process.Core/Tools/ProcessVisualizationExtensions.cs b/dotnet/src/Experimental/Process.Core/Tools/ProcessVisualizationExtensions.cs
@@ -31,6 +31,12 @@ public static string ToMermaid(this ProcessBuilder processBuilder, int maxLevel
     /// <returns></returns>
     public static string ToMermaid(this KernelProcess process, int maxLevel = 2)
     {
+        // Check that the maximum level is at least 1
+        if (maxLevel < 1)
+        {
+            throw new InvalidOperationException("The maximum indentation level must be at least 1.");
+        }
+
         StringBuilder sb = new();
         sb.AppendLine("flowchart LR");