From a562acabc16d6161452e55f2031c929fcc8f5993 Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Mon, 20 Jul 2026 10:00:03 +0000
Subject: [PATCH] Add reference equality tests for StringExtensions.Repeat edge
 cases

Co-authored-by: johnstrand <11484777+johnstrand@users.noreply.github.com>
---
 .../Extensions/StringExtensionsTests.cs       | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/tests/GameUtils.Tests/Extensions/StringExtensionsTests.cs b/tests/GameUtils.Tests/Extensions/StringExtensionsTests.cs
index 404fa2c..edb475e 100644
--- a/tests/GameUtils.Tests/Extensions/StringExtensionsTests.cs
+++ b/tests/GameUtils.Tests/Extensions/StringExtensionsTests.cs
@@ -53,4 +53,26 @@ public void Repeat_NegativeCount_ThrowsArgumentOutOfRangeException()
         string str = "test";
         Assert.ThrowsExactly<ArgumentOutOfRangeException>(() => str.Repeat(-1));
     }
+
+    [TestMethod]
+    public void Repeat_CountZero_ReturnsStringEmpty()
+    {
+        var result = "test".Repeat(0);
+        Assert.AreSame(string.Empty, result);
+    }
+
+    [TestMethod]
+    public void Repeat_EmptyString_ReturnsStringEmpty()
+    {
+        var result = string.Empty.Repeat(5);
+        Assert.AreSame(string.Empty, result);
+    }
+
+    [TestMethod]
+    public void Repeat_CountOne_ReturnsOriginalString()
+    {
+        string str = "test";
+        var result = str.Repeat(1);
+        Assert.AreSame(str, result);
+    }
 }