PR feedback

Author: MackinnonBuck

src/ProjectTemplates/Web.ProjectTemplates/content/BlazorWeb-CSharp/BlazorWebCSharp.1/Components/Account/Pages/Manage/Passkeys.razor

@@ -48,10 +48,15 @@ else
 
 <form @formname="add-passkey" @onsubmit="AddPasskey" method="post">
     <AntiforgeryToken />
-    @if (currentPasskeys is not { Count: >= MaxPasskeyCount })
+    @if (currentPasskeys is { Count: >= MaxPasskeyCount })
+    {
+        <p class="text-danger">You have reached the maximum number of allowed passkeys. Please delete one before adding a new one.</p>
+    }
+    else
     {
         <PasskeySubmit Operation="PasskeyOperation.Create" Name="Input" class="btn btn-primary">Add a new passkey</PasskeySubmit>
     }
+
 </form>
 
 @code {

src/ProjectTemplates/test/Templates.Blazor.Tests/BlazorTemplateTest.cs

@@ -233,6 +233,14 @@ await page.EvaluateAsync("""
                 await page.ClickAsync("text=Add a new passkey");
 
                 await page.WaitForSelectorAsync("text=Enter a name for your passkey");
+
+                // First check that we can't register a passkey with a long name.
+                var longName = new string('a', count: 201);
+                await page.FillAsync("[name=\"Input.Name\"]", longName);
+                await page.ClickAsync("text=Continue");
+                await page.WaitForSelectorAsync("text=Passkey names must be no longer than 200 characters.");
+
+                // Now register a passkey with a valid name
                 await page.FillAsync("[name=\"Input.Name\"]", "My passkey");
                 await page.ClickAsync("text=Continue");