/**
  * Tests the JDatabaseQuery::concatenate method.
  *
  * @return  void
  *
  * @since   11.3
  */
 public function testConcatenate()
 {
     $q = new JDatabaseQueryInspector($this->dbo);
     $this->assertThat($q->concatenate(array('foo', 'bar')), $this->equalTo('CONCATENATE(foo || bar)'), 'Tests without separator.');
     $this->assertThat($q->concatenate(array('foo', 'bar'), ' and '), $this->equalTo("CONCATENATE(foo || '_ and _' || bar)"), 'Tests without separator.');
 }