From fd1963a6a267b76bf45e31c1d0be7515f086defc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Yoann=20Rodi=C3=A8re?= <yoann@hibernate.org>
Date: Mon, 27 May 2019 12:00:15 +0200
Subject: [PATCH] HHH-13154 Backport BasicCriteriaExecutionTests from ORM 6

---
 .../criteria/BasicCriteriaExecutionTests.java | 89 +++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 hibernate-core/src/test/java/org/hibernate/orm/test/query/criteria/BasicCriteriaExecutionTests.java

diff --git a/hibernate-core/src/test/java/org/hibernate/orm/test/query/criteria/BasicCriteriaExecutionTests.java b/hibernate-core/src/test/java/org/hibernate/orm/test/query/criteria/BasicCriteriaExecutionTests.java
new file mode 100644
index 0000000000..1c4bc46205
--- /dev/null
+++ b/hibernate-core/src/test/java/org/hibernate/orm/test/query/criteria/BasicCriteriaExecutionTests.java
@@ -0,0 +1,89 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later
+ * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
+ */
+package org.hibernate.orm.test.query.criteria;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.criteria.CriteriaBuilder;
+import javax.persistence.criteria.CriteriaQuery;
+import javax.persistence.criteria.ParameterExpression;
+import javax.persistence.criteria.Root;
+
+import org.hibernate.testing.junit4.BaseNonConfigCoreFunctionalTestCase;
+import org.junit.Test;
+
+/**
+ * @author Steve Ebersole
+ */
+public class BasicCriteriaExecutionTests extends BaseNonConfigCoreFunctionalTestCase {
+
+	@Override
+	protected Class[] getAnnotatedClasses() {
+		return new Class[] { BasicEntity.class };
+	}
+
+	@Test
+	public void testExecutingBasicCriteriaQuery() {
+		final CriteriaBuilder criteriaBuilder = sessionFactory().getCriteriaBuilder();
+
+		final CriteriaQuery<Object> criteria = criteriaBuilder.createQuery();
+
+		final Root<BasicEntity> root = criteria.from( BasicEntity.class );
+
+		criteria.select( root );
+
+		inSession(
+				session -> session.createQuery( criteria ).list()
+		);
+	}
+
+	@Test
+	public void testExecutingBasicCriteriaQueryLiteralPredicate() {
+		final CriteriaBuilder criteriaBuilder = sessionFactory().getCriteriaBuilder();
+
+		final CriteriaQuery<Object> criteria = criteriaBuilder.createQuery();
+
+		final Root<BasicEntity> root = criteria.from( BasicEntity.class );
+
+		criteria.select( root );
+
+		criteria.where( criteriaBuilder.equal( criteriaBuilder.literal( 1 ), criteriaBuilder.literal( 1 ) ) );
+
+		inSession(
+				session -> session.createQuery( criteria ).list()
+		);
+	}
+
+	@Test
+	public void testExecutingBasicCriteriaQueryParameterPredicate() {
+		final CriteriaBuilder criteriaBuilder = sessionFactory().getCriteriaBuilder();
+
+		final CriteriaQuery<Object> criteria = criteriaBuilder.createQuery();
+
+		final Root<BasicEntity> root = criteria.from( BasicEntity.class );
+
+		criteria.select( root );
+
+		final ParameterExpression<Integer> param = criteriaBuilder.parameter( Integer.class );
+
+		criteria.where( criteriaBuilder.equal( param, param ) );
+
+		inSession(
+				session -> session.createQuery( criteria ).setParameter( param, 1 ).list()
+		);
+	}
+
+	@Entity
+	public static class BasicEntity {
+
+		@Id
+		@GeneratedValue
+		private Integer id;
+
+	}
+}