1 files changed, 65 insertions, 0 deletions
diff --git a/src/Mvc/test/Microsoft.AspNetCore.Mvc.Core.Test/ModelBinding/Binders/ComplexTypeModelBinderProviderTest.cs b/src/Mvc/test/Microsoft.AspNetCore.Mvc.Core.Test/ModelBinding/Binders/ComplexTypeModelBinderProviderTest.cs
new file mode 100644
index 0000000000..9dc044f814
--- /dev/null
+++ b/src/Mvc/test/Microsoft.AspNetCore.Mvc.Core.Test/ModelBinding/Binders/ComplexTypeModelBinderProviderTest.cs
@@ -0,0 +1,65 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
+using System.Collections.Generic;
+using Moq;
+using Xunit;
+
+namespace Microsoft.AspNetCore.Mvc.ModelBinding.Binders
+{
+    public class ComplexTypeModelBinderProviderTest
+    {
+        [Theory]
+        [InlineData(typeof(string))]
+        [InlineData(typeof(int))]
+        [InlineData(typeof(List<int>))]
+        public void Create_ForNonComplexType_ReturnsNull(Type modelType)
+        {
+            // Arrange
+            var provider = new ComplexTypeModelBinderProvider();
+
+            var context = new TestModelBinderProviderContext(modelType);
+
+            // Act
+            var result = provider.GetBinder(context);
+
+            // Assert
+            Assert.Null(result);
+        }
+
+        [Fact]
+        public void Create_ForSupportedTypes_ReturnsBinder()
+        {
+            // Arrange
+            var provider = new ComplexTypeModelBinderProvider();
+
+            var context = new TestModelBinderProviderContext(typeof(Person));
+            context.OnCreatingBinder(m =>
+            {
+                if (m.ModelType == typeof(int) || m.ModelType == typeof(string))
+                {
+                    return Mock.Of<IModelBinder>();
+                }
+                else
+                {
+                    Assert.False(true, "Not the right model type");
+                    return null;
+                }
+            });
+
+            // Act
+            var result = provider.GetBinder(context);
+
+            // Assert
+            Assert.IsType<ComplexTypeModelBinder>(result);
+        }
+
+        private class Person
+        {
+            public string Name { get; set; }
+
+            public int Age { get; set; }
+        }
+    }
+}