public function test_array_pack()
{
$names = array('Allen', 'Jack', 'Lucy');
$ages = array(20, 22, 24);
$sexes = array('M', 'M', 'F');
$expected = array(array('name' => 'Allen', 'age' => 20, 'sex' => 'M'), array('name' => 'Jack', 'age' => 22, 'sex' => 'M'), array('name' => 'Lucy', 'age' => 24, 'sex' => 'F'));
$this->assertEquals($expected, util::array_pack(array('name' => $names, 'age' => $ages, 'sex' => $sexes)));
}
