public function testArray()
{
$base = ['a' => 'b', 'c' => 'd'];
$arr = new ArrayObject($base);
$this->assertEquals(new ArrayObject(['b', 'd']), $arr->values());
$this->assertEquals(new ArrayObject(['a', 'c']), $arr->keys());
$this->assertEquals($base, $arr->toArray());
$new = [];
foreach ($arr as $k => $v) {
$new[$k] = $v;
}
$this->assertEquals($new, $arr->toArray());
$this->assertEquals(new ArrayObject(['b' => 'a', 'd' => 'c']), $arr->flip());
$arr = new ArrayObject(['these', 'are', 'my', 'items']);
$this->assertEquals(new Text('these are my items'), $arr->join(' '));
}
