add regression test for #16955

dotnet · Nov 5, 2019 · 7ce6d37 · 7ce6d37
1 parent 7abc752
commit 7ce6d37
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Showing 2 changed files with 16 additions and 0 deletions.
diff --git a/test/EFCore.Relational.Specification.Tests/Query/NullSemanticsQueryTestBase.cs b/test/EFCore.Relational.Specification.Tests/Query/NullSemanticsQueryTestBase.cs
@@ -1053,6 +1053,12 @@ public virtual void IsNull_on_complex_expression()
             }
         }
 
+        [ConditionalFact]
+        public virtual void Coalesce_not_equal()
+        {
+            AssertQuery<NullSemanticsEntity1>(es => es.Where(e => (e.NullableIntA ?? 0) != 0));
+        }
+
         protected static TResult Maybe<TResult>(object caller, Func<TResult> expression)
             where TResult : class
         {

diff --git a/test/EFCore.SqlServer.FunctionalTests/Query/NullSemanticsQuerySqlServerTest.cs b/test/EFCore.SqlServer.FunctionalTests/Query/NullSemanticsQuerySqlServerTest.cs
@@ -1412,6 +1412,16 @@ FROM [Entities1] AS [e]
 WHERE [e].[NullableIntA] IS NOT NULL OR [e].[NullableIntB] IS NOT NULL");
         }
 
+        public override void Coalesce_not_equal()
+        {
+            base.Coalesce_not_equal();
+
+            AssertSql(
+                @"SELECT [e].[Id]
+FROM [Entities1] AS [e]
+WHERE COALESCE([e].[NullableIntA], 0) <> 0");
+        }
+
         private void AssertSql(params string[] expected)
             => Fixture.TestSqlLoggerFactory.AssertBaseline(expected);