Check for no results in ResultEnumerator

Fixes #16099
dotnet · Jul 30, 2019 · 25a1d38 · 25a1d38
1 parent 33f8699
commit 25a1d38
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Showing 2 changed files with 8 additions and 4 deletions.
diff --git a/src/EFCore.InMemory/Query/Internal/InMemoryQueryExpression.cs b/src/EFCore.InMemory/Query/Internal/InMemoryQueryExpression.cs
@@ -45,7 +45,11 @@ private sealed class ResultEnumerator : IEnumerator<ValueBuffer>
                 private readonly ValueBuffer _value;
                 private bool _moved;
 
-                public ResultEnumerator(ValueBuffer value) => _value = value;
+                public ResultEnumerator(ValueBuffer value)
+                {
+                    _value = value;
+                    _moved = _value.IsEmpty;
+                }
 
                 public bool MoveNext()
                 {

diff --git a/test/EFCore.InMemory.FunctionalTests/FindInMemoryTest.cs b/test/EFCore.InMemory.FunctionalTests/FindInMemoryTest.cs
@@ -13,7 +13,7 @@ protected FindInMemoryTest(FindInMemoryFixture fixture)
         {
         }
 
-        internal class FindInMemoryTestSet : FindInMemoryTest
+        public class FindInMemoryTestSet : FindInMemoryTest
         {
             public FindInMemoryTestSet(FindInMemoryFixture fixture)
                 : base(fixture)
@@ -27,7 +27,7 @@ protected override ValueTask<TEntity> FindAsync<TEntity>(DbContext context, para
                 => context.Set<TEntity>().FindAsync(keyValues);
         }
 
-        internal class FindInMemoryTestContext : FindInMemoryTest
+        public class FindInMemoryTestContext : FindInMemoryTest
         {
             public FindInMemoryTestContext(FindInMemoryFixture fixture)
                 : base(fixture)
@@ -41,7 +41,7 @@ protected override ValueTask<TEntity> FindAsync<TEntity>(DbContext context, para
                 => context.FindAsync<TEntity>(keyValues);
         }
 
-        internal class FindInMemoryTestNonGeneric : FindInMemoryTest
+        public class FindInMemoryTestNonGeneric : FindInMemoryTest
         {
             public FindInMemoryTestNonGeneric(FindInMemoryFixture fixture)
                 : base(fixture)