HHH-15505 Test bytecode enhancement on entity whose field is defined both in mapped superclass and concrete entity

hibernate-core/src/test/java/org/hibernate/orm/test/bytecode/enhancement/basic/OverriddenFieldTest.java

@@ -0,0 +1,95 @@
+package org.hibernate.orm.test.bytecode.enhancement.basic;
+
+import static org.hibernate.testing.transaction.TransactionUtil.doInHibernate;
+
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
+import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.MappedSuperclass;
+import jakarta.persistence.Table;
+
+/**
+ * Tests persisting and then loading a property with bytecode enhancement enabled
+ * when the entity has the same field defined twice: once in a mappedsuperclass (should be ignored)
+ * and once in the concrete entity class.
+ */
+@TestForIssue(jiraKey = "HHH-15505")
+@RunWith(BytecodeEnhancerRunner.class)
+public class OverriddenFieldTest extends BaseCoreFunctionalTestCase {
+
+	@Override
+	public Class<?>[] getAnnotatedClasses() {
+		return new Class<?>[] { AbstractEntity.class, Fruit.class };
+	}
+
+	@Before
+	public void prepare() {
+	}
+
+	@Test
+	public void test() {
+		doInHibernate( this::sessionFactory, s -> {
+			Fruit testEntity = new Fruit();
+			testEntity.setId( 1 );
+			testEntity.setName( "John" );
+			s.persist( testEntity );
+		} );
+
+		doInHibernate( this::sessionFactory, s -> {
+			Fruit testEntity = s.get( Fruit.class, 1 );
+			Assert.assertEquals( "John", testEntity.getName() );
+		} );
+	}
+
+	@MappedSuperclass
+	public static class AbstractEntity {
+
+		@Column(length = 40, unique = true)
+		private String name;
+
+	}
+
+	@Entity
+	@Table(name = "known_fruits")
+	public static class Fruit extends AbstractEntity {
+
+		@Id
+		private Integer id;
+
+		@Column(length = 40, unique = true)
+		private String name;
+
+		public Fruit() {
+		}
+
+		public Fruit(String name) {
+			this.name = name;
+		}
+
+		public Integer getId() {
+			return id;
+		}
+
+		public void setId(Integer id) {
+			this.id = id;
+		}
+
+		public String getName() {
+			return name;
+		}
+
+		public void setName(String name) {
+			this.name = name;
+		}
+
+	}
+
+}