public function testGetPrevious()
{
$this->assertSame(null, $this->pager->getPrevious());
$object1 = new \stdClass();
$object1->foo = 'bar1';
$object2 = new \stdClass();
$object2->foo = 'bar2';
$object3 = new \stdClass();
$object3->foo = 'bar3';
$this->callMethod($this->pager, 'setNbResults', array(3));
$query = $this->getMock('Sonata\\AdminBundle\\Datagrid\\ProxyQueryInterface');
$query->expects($this->any())->method('setFirstResult')->will($this->returnValue($query));
$query->expects($this->any())->method('setMaxResults')->will($this->returnValue($query));
$id = 2;
$query->expects($this->any())->method('execute')->will($this->returnCallback(function () use(&$id, $object1, $object2, $object3) {
switch ($id) {
case 0:
return array($object1);
case 1:
return array($object2);
case 2:
return array($object3);
}
return;
}));
$this->pager->setQuery($query);
$this->pager->setCursor(2);
$this->assertSame($object3, $this->pager->getCurrent());
--$id;
$this->assertSame($object2, $this->pager->getPrevious());
--$id;
$this->assertSame($object1, $this->pager->getPrevious());
--$id;
$this->assertSame(null, $this->pager->getPrevious());
}