HHH-15741 Add test for issue

hibernate-core/src/test/java/org/hibernate/orm/test/id/GenericGeneratorTest.java

@@ -0,0 +1,55 @@
+package org.hibernate.orm.test.id;
+
+import org.hibernate.annotations.GenericGenerator;
+import org.hibernate.annotations.Parameter;
+
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+
+@DomainModel(
+		annotatedClasses = GenericGeneratorTest.TestEntity.class
+)
+@SessionFactory
+public class GenericGeneratorTest {
+
+	@Test
+	public void testInsert(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					TestEntity entity = new TestEntity( "1", "test" );
+					session.persist( entity );
+				}
+		);
+	}
+
+	@Entity(name = "TestEntity")
+	public static class TestEntity {
+		@Id
+		@GeneratedValue(generator = "assigned")
+		@GenericGenerator(name = "assigned",
+				strategy = "assigned",
+				parameters = {
+						@Parameter(name = "entity_name",
+								value = "ProductUUID"
+						)
+				}
+		)
+		private String id;
+
+		private String name;
+
+		public TestEntity() {
+		}
+
+		public TestEntity(String id, String name) {
+			this.id = id;
+			this.name = name;
+		}
+	}
+}