From 3a0c725cf3225f3f7ba17119659a1887b7e6c7ee Mon Sep 17 00:00:00 2001
From: Lukasz Antoniak <lukasz.antoniak@gmail.com>
Date: Tue, 19 Feb 2013 17:12:45 -0500
Subject: [PATCH] HHH-6876 - Test case

---
 .../ejb/criteria/basic/ExpressionsTest.java   | 30 +++++++++++++++----
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/hibernate-entitymanager/src/test/java/org/hibernate/ejb/criteria/basic/ExpressionsTest.java b/hibernate-entitymanager/src/test/java/org/hibernate/ejb/criteria/basic/ExpressionsTest.java
index d082113757..ced48cab7f 100644
--- a/hibernate-entitymanager/src/test/java/org/hibernate/ejb/criteria/basic/ExpressionsTest.java
+++ b/hibernate-entitymanager/src/test/java/org/hibernate/ejb/criteria/basic/ExpressionsTest.java
@@ -23,10 +23,13 @@
  */
 package org.hibernate.ejb.criteria.basic;
 
+import static org.junit.Assert.assertEquals;
+
 import java.math.BigDecimal;
 import java.math.BigInteger;
 import java.util.Collections;
 import java.util.List;
+
 import javax.persistence.EntityManager;
 import javax.persistence.TypedQuery;
 import javax.persistence.criteria.CriteriaBuilder;
@@ -35,18 +38,18 @@ import javax.persistence.criteria.ParameterExpression;
 import javax.persistence.criteria.Predicate;
 import javax.persistence.criteria.Root;
 
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-
 import org.hibernate.Query;
+import org.hibernate.dialect.H2Dialect;
 import org.hibernate.ejb.metamodel.AbstractMetamodelSpecificTest;
 import org.hibernate.ejb.metamodel.Phone;
 import org.hibernate.ejb.metamodel.Product;
 import org.hibernate.ejb.metamodel.Product_;
 import org.hibernate.internal.AbstractQueryImpl;
-
-import static org.junit.Assert.assertEquals;
+import org.hibernate.testing.RequiresDialect;
+import org.hibernate.testing.TestForIssue;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
 
 /**
  * Tests that various expressions operate as expected
@@ -97,6 +100,21 @@ public class ExpressionsTest extends AbstractMetamodelSpecificTest {
 		em.close();
 	}
 
+	@Test
+	@TestForIssue( jiraKey = "HHH-6876" )
+	@RequiresDialect( H2Dialect.class )
+	public void testEmptyInList() {
+		EntityManager em = getOrCreateEntityManager();
+		em.getTransaction().begin();
+		CriteriaQuery<Product> criteria = builder.createQuery( Product.class );
+		Root<Product> from = criteria.from( Product.class );
+		criteria.where( from.get( Product_.partNumber ).in() ); // empty IN list
+		List<Product> result = em.createQuery( criteria ).getResultList();
+		assertEquals( 0, result.size() );
+		em.getTransaction().commit();
+		em.close();
+	}
+
 	@Test
 	public void testEmptyConjunctionIsTrue() {
 		EntityManager em = getOrCreateEntityManager();