HHH-8814 : test case

hibernate-core/src/test/java/org/hibernate/test/id/Person.hbm.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0"?>
+<!DOCTYPE hibernate-mapping PUBLIC 
+	"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
+	"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
+
+<hibernate-mapping package="org.hibernate.test.id">
+
+	<class name="Person">
+		<id name="id" column="id">
+			<generator class="sequence" />
+		</id>
+	</class>
+
+</hibernate-mapping>

hibernate-core/src/test/java/org/hibernate/test/id/Person.java

@@ -0,0 +1,19 @@
+package org.hibernate.test.id;
+
+
+public class Person {
+
+    private Long id;
+
+    public Person() {
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(final Long id) {
+        this.id = id;
+    }
+
+}

hibernate-core/src/test/java/org/hibernate/test/id/SequenceGeneratorTest.java

@@ -0,0 +1,40 @@
+package org.hibernate.test.id;
+
+import static org.junit.Assert.assertEquals;
+
+import org.hibernate.Session;
+import org.hibernate.Transaction;
+import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
+import org.junit.Test;
+
+public class SequenceGeneratorTest extends BaseCoreFunctionalTestCase {
+
+    @Override
+    public String[] getMappings() {
+        return new String[] { "id/Person.hbm.xml" };
+    }
+
+    @Test
+    public void testDistinctId() throws Exception {
+        Session s = openSession();
+        Transaction tx = s.beginTransaction();
+        final int testLength = 8;
+        final Person[] persons = new Person[testLength];
+        for (int i = 0; i < testLength; i++) {
+            persons[i] = new Person();
+            s.persist(persons[i]);
+        }
+        tx.commit();
+        s.close();
+        for (int i = 0; i < testLength; i++) {
+            assertEquals(i + 1, persons[i].getId().intValue());
+        }
+
+        s = openSession();
+        tx = s.beginTransaction();
+        s.createQuery("delete from Person").executeUpdate();
+        tx.commit();
+        s.close();
+    }
+
+}