assertEquals(0, count($stack)); array_push($stack, 'foo'); $this->assertEquals('foo', $stack[count($stack)-1]); $this->assertEquals(1, count($stack)); $this->assertEquals('foo', array_pop($stack)); $this->assertEquals(0, count($stack)); } public function testLiitmine(){ $summa=3+2; $this->assertEquals(5, $summa); } } ?>