From 157716095a2929f0ad9f743eb90b654c066c1370 Mon Sep 17 00:00:00 2001
From: Sanne Grinovero <sanne@hibernate.org>
Date: Sat, 15 Jan 2022 23:30:52 +0000
Subject: [PATCH] HHH-15002 Add integration test for the H2 Dialect change

---
 .../test/booleans/BooleanMappingTest.java     | 61 +++++++++++++++++++
 .../org/hibernate/test/booleans/Event.java    | 38 ++++++++++++
 2 files changed, 99 insertions(+)
 create mode 100644 hibernate-core/src/test/java/org/hibernate/test/booleans/BooleanMappingTest.java
 create mode 100644 hibernate-core/src/test/java/org/hibernate/test/booleans/Event.java

diff --git a/hibernate-core/src/test/java/org/hibernate/test/booleans/BooleanMappingTest.java b/hibernate-core/src/test/java/org/hibernate/test/booleans/BooleanMappingTest.java
new file mode 100644
index 0000000000..adf08a0f7e
--- /dev/null
+++ b/hibernate-core/src/test/java/org/hibernate/test/booleans/BooleanMappingTest.java
@@ -0,0 +1,61 @@
+/*
+ * 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.test.booleans;
+
+import java.util.List;
+
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
+import org.junit.Test;
+
+import static org.hibernate.testing.transaction.TransactionUtil.doInHibernate;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+/**
+ * Useful to verify Boolean mappings; in particular we had a new
+ * error on recent versions of H2, so let's ensure this works
+ * on whatever version the testsuite is being run with.
+ */
+public class BooleanMappingTest extends BaseCoreFunctionalTestCase {
+
+	@Test
+	@TestForIssue(jiraKey = "HHH-15002")
+	public void testFetchEager() {
+		doInHibernate( this::sessionFactory, s -> {
+				Event activeEvent = new Event();
+				activeEvent.setActive( Boolean.TRUE );
+				s.persist( activeEvent );
+
+				Event inactiveEvent = new Event();
+				inactiveEvent.setActive( Boolean.FALSE );
+				s.persist( inactiveEvent );
+		} );
+
+		final List<Event> activeEvents = doInHibernate( this::sessionFactory, s -> {
+			return s.createQuery( "SELECT e FROM Event e WHERE e.active = true", Event.class ).getResultList();
+		} );
+
+		assertNotNull( activeEvents );
+		assertEquals( 1, activeEvents.size() );
+
+		final List<Event> allEvents = doInHibernate( this::sessionFactory, s -> {
+			return s.createQuery( "FROM Event", Event.class ).getResultList();
+		} );
+
+		assertNotNull( allEvents );
+		assertEquals( 2, allEvents.size() );
+	}
+
+	@Override
+	protected Class[] getAnnotatedClasses() {
+		return new Class[] {
+				Event.class,
+		};
+	}
+
+}
diff --git a/hibernate-core/src/test/java/org/hibernate/test/booleans/Event.java b/hibernate-core/src/test/java/org/hibernate/test/booleans/Event.java
new file mode 100644
index 0000000000..37503f3e28
--- /dev/null
+++ b/hibernate-core/src/test/java/org/hibernate/test/booleans/Event.java
@@ -0,0 +1,38 @@
+/*
+ * 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.test.booleans;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Event {
+
+	@Id
+	@GeneratedValue
+	private Long id;
+
+	private Boolean active;
+
+	public Long getId() {
+		return id;
+	}
+
+	public void setId(Long id) {
+		this.id = id;
+	}
+
+	public Boolean getActive() {
+		return active;
+	}
+
+	public void setActive(Boolean active) {
+		this.active = active;
+	}
+
+}