HHH-18446 Test case

hibernate-core/src/test/java/org/hibernate/orm/test/type/LongNullTest.java

@@ -0,0 +1,72 @@
+/*
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ * Copyright Red Hat Inc. and Hibernate Authors
+ */
+package org.hibernate.orm.test.type;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import org.hibernate.annotations.JdbcTypeCode;
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.hibernate.type.SqlTypes;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+@DomainModel(annotatedClasses = LongNullTest.Foo.class)
+@SessionFactory
+public class LongNullTest {
+
+	@Entity
+	public static final class Foo {
+		@Id
+		@GeneratedValue
+		private Long id;
+
+		@JdbcTypeCode(SqlTypes.LONG32NVARCHAR)
+		@Column
+		private String field = null;
+
+		@JdbcTypeCode(SqlTypes.LONG32VARCHAR)
+		@Column
+		private String nfield = null;
+
+		@JdbcTypeCode(SqlTypes.LONG32VARBINARY)
+		@Column
+		private byte[] bfield = null;
+	}
+
+	@Test
+	public void testNull(SessionFactoryScope scope) {
+		final var expected = scope.fromTransaction( s -> {
+			final var foo = new Foo();
+			s.persist( foo );
+			return foo;
+		} );
+		final var actual = scope.fromSession( s -> s.find( Foo.class, expected.id ) );
+		assertEquals( expected.field, actual.field );
+		assertEquals( expected.nfield, actual.nfield );
+		assertArrayEquals( expected.bfield, actual.bfield );
+	}
+
+	@Test
+	public void testNonNull(SessionFactoryScope scope) {
+		final var expected = scope.fromTransaction( s -> {
+			final var foo = new Foo();
+			foo.bfield = "ABC".getBytes();
+			foo.field = "DEF";
+			foo.nfield = "GHI";
+			s.persist( foo );
+			return foo;
+		} );
+		final var actual = scope.fromSession( s -> s.find( Foo.class, expected.id ) );
+		assertEquals( expected.field, actual.field );
+		assertEquals( expected.nfield, actual.nfield );
+		assertArrayEquals( expected.bfield, actual.bfield );
+	}
+}