From 539454500f7d3d590317be53d79f8230f5cba8fb Mon Sep 17 00:00:00 2001
From: Austin Drenski <austin.drenski@gmail.com>
Date: Wed, 16 May 2018 22:37:56 -0400
Subject: [PATCH] Added a test to showcase parameter duplication + some strange
 SQL

---
 .../Query/NetworkAddressQueryNpgsqlTest.cs    | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/test/EFCore.PG.FunctionalTests/Query/NetworkAddressQueryNpgsqlTest.cs b/test/EFCore.PG.FunctionalTests/Query/NetworkAddressQueryNpgsqlTest.cs
index 9dd6e6186d..76029f399f 100644
--- a/test/EFCore.PG.FunctionalTests/Query/NetworkAddressQueryNpgsqlTest.cs
+++ b/test/EFCore.PG.FunctionalTests/Query/NetworkAddressQueryNpgsqlTest.cs
@@ -187,6 +187,27 @@ public void NpgsqlInetDoesNotContainOrEqualNpgsqlInet()
             }
         }
 
+        /// <summary>
+        /// Tests inverse translation for <see cref="NpgsqlNetworkAddressExtensions.Contains(NpgsqlInet,NpgsqlInet)"/>.
+        /// </summary>
+        [Fact]
+        public void Demonstrate_ValueTypeParametersAreDuplicated()
+        {
+            using (NetContext context = Fixture.CreateContext())
+            {
+                NpgsqlInet npgsqlInet = new IPAddress(0);
+
+                bool[] _ =
+                    context.NetTestEntities
+                           .Where(x => x.CidrMappedToNpgsqlInet.ContainsOrEquals(npgsqlInet))
+                           .Select(x => x.CidrMappedToNpgsqlInet.Equals(npgsqlInet))
+                           .ToArray();
+
+                AssertContainsSql("SELECT x.\"CidrMappedToNpgsqlInet\" = @__npgsqlInet_0");
+                AssertContainsSql("WHERE x.\"CidrMappedToNpgsqlInet\" >>= @__npgsqlInet_0");
+            }
+        }
+
         #endregion
 
         #region Fixtures