Initial commit: PANDA 1.3

2026-08-07 11:21:03 +02:00
commit 3b180ee2f0
11 changed files with 1901 additions and 0 deletions
@@ -0,0 +1,73 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+namespace Panda
+{
+    internal static class Tests
+    {
+        private static int failures;
+
+        private static void Main()
+        {
+            AssertEqual("BCD YZA", LetterShifter.Shift("ABC XYZ", 1), "shift up and wrap");
+            AssertEqual("Zab", LetterShifter.Shift("Abc", -1), "shift down and preserve case");
+            AssertEqual("Öl 123!", LetterShifter.Shift("Öl 123!", 0), "zero shift");
+            AssertEqual("Öm 123!", LetterShifter.Shift("Öl 123!", 1), "non A-Z characters unchanged");
+
+            string sample = "Name;Notiz\r\n\"Meyer, Anna\";\"Hallo; Welt\"\r\nBob;\"Zeile 1\r\nZeile 2\"\r\n";
+            AssertEqual(';', CsvCodec.DetectDelimiter(sample), "delimiter detection");
+            List<List<string>> parsed = CsvCodec.Parse(sample, ';');
+            AssertEqual(3, parsed.Count, "record count");
+            AssertEqual("Meyer, Anna", parsed[1][0], "quoted comma");
+            AssertEqual("Hallo; Welt", parsed[1][1], "quoted delimiter");
+            AssertEqual("Zeile 1\r\nZeile 2", parsed[2][1], "quoted newline");
+
+            var source = new CsvDocument { Delimiter = ';', FirstRowIsHeader = true };
+            source.Headers.AddRange(new[] { "A", "B", "C" });
+            source.Rows.Add(new List<string> { "a1", "b1", "c1" });
+            source.Rows.Add(new List<string> { "a2", "b2", "c2" });
+            var filtered = CsvCodec.SelectColumns(source, new List<int> { 2, 0 });
+            AssertEqual(2, filtered.Headers.Count, "selected column count");
+            AssertEqual("C", filtered.Headers[0], "selected column order");
+            AssertEqual("a2", filtered.Rows[1][1], "selected column values");
+
+            string tempPath = Path.Combine(Path.GetTempPath(), "csv-buchstaben-test-" + Guid.NewGuid().ToString("N") + ".csv");
+            try
+            {
+                var doc = new CsvDocument { Delimiter = ';', FirstRowIsHeader = true };
+                doc.Headers.Add("Name");
+                doc.Headers.Add("Notiz");
+                var rows = new List<IList<string>>
+                {
+                    new List<string> { "Anna", "Hallo; \"Welt\"" },
+                    new List<string> { "Bob", "Mehr\r\nZeilig" }
+                };
+                CsvCodec.Save(tempPath, doc, rows);
+                var loaded = CsvCodec.Load(tempPath, true);
+                AssertEqual("Hallo; \"Welt\"", loaded.Rows[0][1], "save/load quotes");
+                AssertEqual("Mehr\r\nZeilig", loaded.Rows[1][1], "save/load newline");
+            }
+            finally
+            {
+                if (File.Exists(tempPath)) File.Delete(tempPath);
+            }
+
+            if (failures > 0)
+            {
+                Console.Error.WriteLine(failures + " test(s) failed.");
+                Environment.Exit(1);
+            }
+            Console.WriteLine("All tests passed.");
+        }
+
+        private static void AssertEqual<T>(T expected, T actual, string name)
+        {
+            if (!EqualityComparer<T>.Default.Equals(expected, actual))
+            {
+                failures++;
+                Console.Error.WriteLine("FAIL " + name + ": expected [" + expected + "] actual [" + actual + "]");
+            }
+        }
+    }
+}