From c13c4629290c3a979bbe6218d0d34e06c16700e8 Mon Sep 17 00:00:00 2001
From: Mikel Blanchard <mblanchard@macrosssoftware.com>
Date: Wed, 14 Sep 2022 16:01:02 -0700
Subject: [PATCH] Tests.

---
 .../HttpClientTests.Basic.cs                  | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/test/OpenTelemetry.Instrumentation.Http.Tests/HttpClientTests.Basic.cs b/test/OpenTelemetry.Instrumentation.Http.Tests/HttpClientTests.Basic.cs
index c06a18bc89f..3b49cac0348 100644
--- a/test/OpenTelemetry.Instrumentation.Http.Tests/HttpClientTests.Basic.cs
+++ b/test/OpenTelemetry.Instrumentation.Http.Tests/HttpClientTests.Basic.cs
@@ -19,6 +19,7 @@
 using System.Linq;
 using System.Net.Http;
 using System.Threading.Tasks;
+using Microsoft.Extensions.DependencyInjection;
 using Moq;
 using OpenTelemetry.Context.Propagation;
 using OpenTelemetry.Instrumentation.Http.Implementation;
@@ -47,6 +48,27 @@ public HttpClientTests()
             this.url = $"http://{host}:{port}/";
         }
 
+        [Fact]
+        public void AddHttpClientInstrumentation_NamedOptions()
+        {
+            int defaultExporterOptionsConfigureOptionsInvocations = 0;
+            int namedExporterOptionsConfigureOptionsInvocations = 0;
+
+            using var tracerProvider = Sdk.CreateTracerProviderBuilder()
+                .ConfigureServices(services =>
+                {
+                    services.Configure<HttpClientInstrumentationOptions>(o => defaultExporterOptionsConfigureOptionsInvocations++);
+
+                    services.Configure<HttpClientInstrumentationOptions>("Instrumentation2", o => namedExporterOptionsConfigureOptionsInvocations++);
+                })
+                .AddHttpClientInstrumentation()
+                .AddHttpClientInstrumentation("Instrumentation2", configureHttpClientInstrumentationOptions: null)
+                .Build();
+
+            Assert.Equal(1, defaultExporterOptionsConfigureOptionsInvocations);
+            Assert.Equal(1, namedExporterOptionsConfigureOptionsInvocations);
+        }
+
         [Fact]
         public void AddHttpClientInstrumentation_BadArgs()
         {