/**
* Tests Arr::insert()
*
* @test
*/
public function test_insert()
{
$people = array("Jack", "Jill");
$expected = array("Humpty", "Jack", "Jill");
$output = Arr::insert($people, "Humpty", 0);
$this->assertEquals(true, $output);
$this->assertEquals($expected, $people);
}
public function testInsertsWithStringKeys()
{
$array = ['zero' => 'cat', 'one' => 'dog', 'two' => 'octopus', 'three' => 'raven'];
// inserting before 'dog' which is at index 1
// make 'dog' which was 1, into 2
$result = Arr::insert($array, 'spider', 'one');
// we use `same` here because they must be identical, equals would be true regardless of the order
// UNFORTUNATELY, IT ONLY WORKS FOR NUMERICAL INDEXES
$this->assertSame($result, ['zero' => 'cat', 'one' => 'dog', 'two' => 'octopus', 'three' => 'raven']);
}
/**
* Tests Arr::insert()
*
* @test
*/
public function test_insert_with_index_out_of_range()
{
$people = array("Jack", "Jill");
$output = Arr::insert($people, "Humpty", 4);
$this->assertFalse($output);
}
