helper('language'); $lang = $this->getMockBuilder('CI_Lang')->setMethods(array('line'))->getMock(); $lang->expects($this->any())->method('line')->will($this->returnValue(FALSE)); $this->ci_instance_var('lang', $lang); $this->assertFalse(lang(1)); $this->assertEquals('', lang(1, 'foo', array('class' => 'bar'))); } }