public function testToArray()
{
$books_by_lee = ['To Kill a Mockingbird', 'Go Set a Watchman'];
$books_by_wilder = ['Little House in the Big Woods', 'Little House on the Prairie'];
$books = new Dictionary(['Harper Lee' => new OrderedList($books_by_lee), 'Laura Ingles Wilder' => new OrderedList($books_by_wilder)]);
$expect = ['Harper Lee' => $books_by_lee, 'Laura Ingles Wilder' => $books_by_wilder];
$this->assertSame($expect, $books->toArray());
}
