/**
* Tests Arr::unshift()
*
* @test
* @dataProvider providerUnshift
* @param array $array
* @param string $key
* @param mixed $value
*/
public function testUnshift(array $array, $key, $value)
{
$original = $array;
Arr::unshift($array, $key, $value);
$this->assertNotSame($original, $array);
$this->assertSame(count($original) + 1, count($array));
$this->assertArrayHasKey($key, $array);
$this->assertSame($value, reset($array));
$this->assertSame(key($array), $key);
}
