HHH-17420 Add test for issue

Author: dreab8

hibernate-core/src/test/java/org/hibernate/orm/test/annotations/onetoone/JoinColumnTest.java

@@ -0,0 +1,99 @@
+package org.hibernate.orm.test.annotations.onetoone;
+
+import java.io.Serializable;
+
+import org.hibernate.testing.junit4.BaseUnitTestCase;
+import org.hibernate.testing.orm.junit.EntityManagerFactoryScope;
+import org.hibernate.testing.orm.junit.JiraKey;
+import org.hibernate.testing.orm.junit.Jpa;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Embeddable;
+import jakarta.persistence.EmbeddedId;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.OneToOne;
+
+@JiraKey("HHH-17420")
+@Jpa(
+		annotatedClasses = {
+				JoinColumnTest.LeftEntity.class,
+				JoinColumnTest.MidEntity.class,
+				JoinColumnTest.RightEntity.class,
+		}
+)
+class JoinColumnTest extends BaseUnitTestCase {
+
+	@Test
+	void testLeftToRight(EntityManagerFactoryScope scope) {
+		scope.inTransaction(
+				entityManager -> {
+				}
+		);
+	}
+
+	@Entity(name = "LeftEntity")
+	static class LeftEntity {
+
+		@Embeddable
+		static class Pk implements Serializable {
+			@Column
+			String id_one_2;
+
+			@Column
+			String id_two_2;
+
+			@Column
+			String id_three_2;
+		}
+
+		@EmbeddedId
+		Pk id;
+
+		@OneToOne(mappedBy = "aLeftEntity")
+		MidEntity midEntity;
+	}
+
+	@Entity(name = "MidEntity")
+	static class MidEntity {
+
+		@Id
+		@Column
+		String id;
+
+		@Column
+		String id_one;
+
+		@Column
+		String id_two;
+
+		@Column
+		String id_three;
+
+		@OneToOne
+		@JoinColumn(name = "id_one", referencedColumnName = "id_one_2", insertable = false, updatable = false)
+		@JoinColumn(name = "id_two", referencedColumnName = "id_two_2", insertable = false, updatable = false)
+		@JoinColumn(name = "id_three", referencedColumnName = "id_three_2", insertable = false, updatable = false)
+		LeftEntity aLeftEntity;
+
+		@OneToOne(mappedBy = "midEntity")
+		RightEntity rightEntity;
+	}
+
+	@Entity(name = "RightEntity")
+	static class RightEntity {
+
+		@Id
+		Long id;
+
+		@Column
+		String id_three;
+
+		@OneToOne
+		@JoinColumn(name = "id_one", referencedColumnName = "id_one", insertable = false, updatable = false)
+		@JoinColumn(name = "id_two", referencedColumnName = "id_two", insertable = false, updatable = false)
+		MidEntity midEntity;
+	}
+}