Added test for longer replacement

Author: linkdotnet

tests/LinkDotNet.StringBuilder.UnitTests/ValueStringBuilder.Replace.Tests.cs

@@ -58,7 +58,7 @@ public void ShouldReplaceAllText()
     }
 
     [Fact]
-    public void ShouldReplacePart()
+    public void ShouldReplacePartThatIsShorter()
     {
         using var builder = new ValueStringBuilder("Hello World");
 
@@ -67,6 +67,16 @@ public void ShouldReplacePart()
         builder.ToString().Should().Be("Ha World");
     }
 
+    [Fact]
+    public void ShouldReplacePartThatIsLonger()
+    {
+        using var builder = new ValueStringBuilder("Hello World");
+
+        builder.Replace("Hello", "Hallöchen");
+
+        builder.ToString().Should().Be("Hallöchen World");
+    }
+
     [Theory]
     [InlineData("", "word")]
     [InlineData("word", "")]