public function testUnique()
{
$collection = new Collection(['a', 'b', 'a', null, 'b', 10, '10']);
$unique = $collection->unique();
$this->assertNotSame($collection, $unique);
/** Without strict */
$expected = ['a', 'b', null, 10];
$this->assertSame($expected, $unique->toArray());
/** With strict */
$expected = ['a', 'b', null, 10, '10'];
$this->assertSame($expected, $collection->unique(true)->toArray());
}
