add - Added separator test case for overflow

---

We suspect that there are bugs related to the overflowing separator, so
we've added the test case.

---

Type: add
Breaking: False
Doc Required: False
Backport Required: False
Part: 1/1

private/Terminaux.Console/Fixtures/Cases/Writer/PrintSepOverflow.cs

@@ -0,0 +1,35 @@
+//
+// Terminaux  Copyright (C) 2023-2025  Aptivi
+//
+// This file is part of Terminaux
+//
+// Terminaux 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.
+//
+// Terminaux 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 <https://www.gnu.org/licenses/>.
+//
+
+using Terminaux.Base;
+using Terminaux.Writer.FancyWriters;
+
+namespace Terminaux.Console.Fixtures.Cases.Writer
+{
+    internal class PrintSepOverflow : IFixture
+    {
+        public FixtureCategory Category => FixtureCategory.Writer;
+
+        public void RunFixture()
+        {
+            string overflownText = new('a', ConsoleWrapper.WindowWidth);
+            SeparatorWriterColor.WriteSeparator(overflownText, true, true);
+        }
+    }
+}

private/Terminaux.Console/Fixtures/FixtureManager.cs

@@ -105,6 +105,7 @@ internal static class FixtureManager
             new PrintSepFCjk(),
             new PrintSepColorCjk(),
             new PrintSepColorFCjk(),
+            new PrintSepOverflow(),
             new PrintWithNewLines(),
             new PrintWithNulls(),
             new PrintTemplate(),