From 287bda68a07a76c5c38ed6b1c7093a53ad5a7a0a Mon Sep 17 00:00:00 2001
From: Andrea Boriero <andrea@hibernate.org>
Date: Thu, 11 Jul 2024 13:28:42 +0200
Subject: [PATCH] HHH-18338 Add test for issue

---
 .../NaturalIdAndAssociationTest.java          | 118 ++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 hibernate-core/src/test/java/org/hibernate/orm/test/annotations/naturalid/NaturalIdAndAssociationTest.java

diff --git a/hibernate-core/src/test/java/org/hibernate/orm/test/annotations/naturalid/NaturalIdAndAssociationTest.java b/hibernate-core/src/test/java/org/hibernate/orm/test/annotations/naturalid/NaturalIdAndAssociationTest.java
new file mode 100644
index 0000000000..b87e1b97b3
--- /dev/null
+++ b/hibernate-core/src/test/java/org/hibernate/orm/test/annotations/naturalid/NaturalIdAndAssociationTest.java
@@ -0,0 +1,118 @@
+package org.hibernate.orm.test.annotations.naturalid;
+
+import java.math.BigDecimal;
+
+import org.hibernate.annotations.NaturalId;
+
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.Jira;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Embeddable;
+import jakarta.persistence.Embedded;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+
+@DomainModel(
+		annotatedClasses = {
+				NaturalIdAndAssociationTest.PositionEntity.class,
+				NaturalIdAndAssociationTest.ZCurrencyEntity1.class
+		})
+@SessionFactory
+@Jira("HHH-18338")
+public class NaturalIdAndAssociationTest {
+
+	@Test
+	public void testPersist(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					ZCurrencyEntity1 currency = new ZCurrencyEntity1( 1l, "USD" );
+					Amount amount = new Amount( new BigDecimal( "100.00" ), currency );
+					Holding holding = new Holding( amount );
+					PositionEntity positionEntity = new PositionEntity( 1l, "1", holding );
+
+					session.persist( currency );
+					session.persist( positionEntity );
+				}
+		);
+	}
+
+	@Entity(name = "PositionEntity")
+	@Table(name = "POSITION_TABLE")
+	public static class PositionEntity {
+		@Id
+		private Long id;
+
+		private String name;
+
+		@Embedded
+		private Holding holding;
+
+		public PositionEntity() {
+		}
+
+		public PositionEntity(Long id, String name, Holding holding) {
+			this.id = id;
+			this.name = name;
+			this.holding = holding;
+		}
+	}
+
+	@Embeddable
+	public static class Holding {
+		@Embedded
+		private Amount amount;
+
+		public Holding() {
+		}
+
+		public Holding(Amount amount) {
+			this.amount = amount;
+		}
+	}
+
+	@Embeddable
+	public static class Amount {
+
+		private BigDecimal quantity;
+
+		@ManyToOne(fetch = FetchType.LAZY)
+		@JoinColumn(referencedColumnName = "isoCode", nullable = false)
+		private ZCurrencyEntity1 currency;
+
+		public Amount() {
+		}
+
+		public Amount(BigDecimal quantity, ZCurrencyEntity1 currency) {
+			this.quantity = quantity;
+			this.currency = currency;
+		}
+
+	}
+
+	@Entity(name = "ZCurrencyEntity")
+	@Table(name = "CURRENCY")
+	public static class ZCurrencyEntity1 {
+		@Id
+		private Long id;
+
+		@NaturalId
+		private String isoCode;
+
+		public ZCurrencyEntity1() {
+		}
+
+		public ZCurrencyEntity1(Long id, String isoCode) {
+			this.id = id;
+			this.isoCode = isoCode;
+		}
+	}
+
+}