From 869825b16c80c2b770603019b6852f87027b9d1c Mon Sep 17 00:00:00 2001
From: Doug Bunting <dougbu@microsoft.com>
Date: Mon, 12 Mar 2018 15:28:30 -0700
Subject: [PATCH] Quick fix: Add test of #2890 - tests added (ages ago) in
 aspnet/Mvc@a045324 no longer fail when `__` handling removed

---
 .../Internal/ExpressionHelperTest.cs          | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/test/Microsoft.AspNetCore.Mvc.ViewFeatures.Test/Internal/ExpressionHelperTest.cs b/test/Microsoft.AspNetCore.Mvc.ViewFeatures.Test/Internal/ExpressionHelperTest.cs
index b6df9b1bdd..eee3b4fb66 100644
--- a/test/Microsoft.AspNetCore.Mvc.ViewFeatures.Test/Internal/ExpressionHelperTest.cs
+++ b/test/Microsoft.AspNetCore.Mvc.ViewFeatures.Test/Internal/ExpressionHelperTest.cs
@@ -435,6 +435,27 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures.Internal
             Assert.NotSame(text1, text2);
         }
 
+        [Fact]
+        public void GetExpressionText_WithinALoop_ReturnsExpectedText()
+        {
+            // Arrange 0
+            var collection = new List<TestModel>();
+
+            for (var i = 0; i < 2; i++)
+            {
+                // Arrange i
+                var expectedText = $"collection[{i}].SelectedCategory.CategoryId";
+
+                // Act i
+                var result = ExpressionHelper.GetExpressionText(
+                    (Expression<Func<List<TestModel>, int>>)(m => collection[i].SelectedCategory.CategoryId),
+                    _expressionTextCache);
+
+                // Assert i
+                Assert.Equal(expectedText, result);
+            }
+        }
+
         private class TestModel
         {
             public string Name { get; set; }