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diff --git a/vendor/doctrine/orm/tests/Doctrine/Tests/ORM/Functional/OneToManyUnidirectionalAssociationTest.php b/vendor/doctrine/orm/tests/Doctrine/Tests/ORM/Functional/OneToManyUnidirectionalAssociationTest.php
new file mode 100644
index 0000000..42fd292
--- /dev/null
+++ b/vendor/doctrine/orm/tests/Doctrine/Tests/ORM/Functional/OneToManyUnidirectionalAssociationTest.php
@@ -0,0 +1,86 @@
+<?php
+
+namespace Doctrine\Tests\ORM\Functional;
+
+use Doctrine\Tests\Models\Routing\RoutingRoute;
+use Doctrine\Tests\Models\Routing\RoutingLocation;
+use Doctrine\Tests\Models\Routing\RoutingLeg;
+
+require_once __DIR__ . '/../../TestInit.php';
+
+/**
+ * Tests a bidirectional one-to-one association mapping (without inheritance).
+ */
+class OneToManyUnidirectionalAssociationTest extends \Doctrine\Tests\OrmFunctionalTestCase
+{
+    protected $locations = array();
+
+    public function setUp()
+    {
+        $this->useModelSet('routing');
+        parent::setUp();
+
+        $locations = array("Berlin", "Bonn", "Brasilia", "Atlanta");
+
+        foreach ($locations AS $locationName) {
+            $location = new RoutingLocation();
+            $location->name = $locationName;
+            $this->_em->persist($location);
+            $this->locations[$locationName] = $location;
+        }
+        $this->_em->flush();
+    }
+
+    public function testPersistOwning_InverseCascade()
+    {
+        $leg = new RoutingLeg();
+        $leg->fromLocation = $this->locations['Berlin'];
+        $leg->toLocation   = $this->locations['Bonn'];
+        $leg->departureDate = new \DateTime("now");
+        $leg->arrivalDate = new \DateTime("now +5 hours");
+
+        $route = new RoutingRoute();
+        $route->legs[] = $leg;
+
+        $this->_em->persist($route);
+        $this->_em->flush();
+        $this->_em->clear();
+
+        $routes = $this->_em->createQuery(
+            "SELECT r, l, f, t FROM Doctrine\Tests\Models\Routing\RoutingRoute r ".
+            "JOIN r.legs l JOIN l.fromLocation f JOIN l.toLocation t"
+        )->getSingleResult();
+
+        $this->assertEquals(1, count($routes->legs));
+        $this->assertEquals("Berlin", $routes->legs[0]->fromLocation->name);
+        $this->assertEquals("Bonn", $routes->legs[0]->toLocation->name);
+    }
+
+    public function testLegsAreUniqueToRoutes()
+    {
+        $leg = new RoutingLeg();
+        $leg->fromLocation = $this->locations['Berlin'];
+        $leg->toLocation   = $this->locations['Bonn'];
+        $leg->departureDate = new \DateTime("now");
+        $leg->arrivalDate = new \DateTime("now +5 hours");
+
+        $routeA = new RoutingRoute();
+        $routeA->legs[] = $leg;
+
+        $routeB = new RoutingRoute();
+        $routeB->legs[] = $leg;
+
+        $this->_em->persist($routeA);
+        $this->_em->persist($routeB);
+
+        $exceptionThrown = false;
+        try {
+            // exception depending on the underyling Database Driver
+            $this->_em->flush();
+        } catch(\Exception $e) {
+            $exceptionThrown = true;
+        }
+
+        $this->assertTrue($exceptionThrown, "The underlying database driver throws an exception.");
+    }
+}