Unit test.

Author: ilonatommy

src/Components/Components/test/NavigationManagerTest.cs

@@ -1,6 +1,7 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using System;
 using System.Buffers;
 using System.Diagnostics;
 using System.Net.Http;
@@ -84,6 +85,21 @@ public void ToBaseRelativePath_ThrowsForInvalidBaseRelativePaths(string baseUri,
             ex.Message);
     }
 
+    [Fact]
+    public void ToBaseRelativePath_HonorsConfiguredPathBaseComparison()
+    {
+        var navigationManager = new TestNavigationManager("https://example.com/dashboard/", "https://example.com/dashboard/");
+
+        var ex = Assert.Throws<ArgumentException>(() => navigationManager.ToBaseRelativePath("https://example.com/DaShBoArD"));
+        Assert.Equal("The URI 'https://example.com/DaShBoArD' is not contained by the base URI 'https://example.com/dashboard/'.", ex.Message);
+
+        navigationManager.SetPathBaseComparison(StringComparison.OrdinalIgnoreCase);
+
+        var result = navigationManager.ToBaseRelativePath("https://example.com/DaShBoArD");
+
+        Assert.Equal(string.Empty, result);
+    }
+
     [Theory]
     [InlineData("scheme://host/?full%20name=Bob%20Joe&age=42", "scheme://host/?full%20name=John%20Doe&age=42")]
     [InlineData("scheme://host/?fUlL%20nAmE=Bob%20Joe&AgE=42", "scheme://host/?full%20name=John%20Doe&AgE=42")]
@@ -906,6 +922,11 @@ public TestNavigationManager(string baseUri = null, string uri = null)
         public async Task<bool> RunNotifyLocationChangingAsync(string uri, string state, bool isNavigationIntercepted)
             => await NotifyLocationChangingAsync(uri, state, isNavigationIntercepted);
 
+        public void SetPathBaseComparison(StringComparison comparison)
+        {
+            PathBaseComparison = comparison;
+        }
+
         protected override void NavigateToCore(string uri, bool forceLoad)
         {
             throw new System.NotImplementedException();