public function testShuffle()
{
// from js
$numbers = __u::range(10);
$shuffled = __u::shuffle($numbers);
sort($shuffled);
$this->assertEquals(join(',', $numbers), join(',', $shuffled), 'contains the same members before and after shuffle');
}
public function testRange()
{
// from js
$this->assertEquals(array(), __u::range(0), 'range with 0 as a first argument generates an empty array');
$this->assertEquals(array(0, 1, 2, 3), __u::range(4), 'range with a single positive argument generates an array of elements 0,1,2,...,n-1');
$this->assertEquals(array(5, 6, 7), __u::range(5, 8), 'range with two arguments a & b, a<b generates an array of elements a,a+1,a+2,...,b-2,b-1');
$this->assertEquals(array(), __u::range(8, 5), 'range with two arguments a & b, b<a generates an empty array');
$this->assertEquals(array(3, 6, 9), __u::range(3, 10, 3), 'range with three arguments a & b & c, c < b-a, a < b generates an array of elements a,a+c,a+2c,...,b - (multiplier of a) < c');
$this->assertEquals(array(3), __u::range(3, 10, 15), 'range with three arguments a & b & c, c > b-a, a < b generates an array with a single element, equal to a');
$this->assertEquals(array(12, 10, 8), __u::range(12, 7, -2), 'range with three arguments a & b & c, a > b, c < 0 generates an array of elements a,a-c,a-2c and ends with the number not less than b');
$this->assertEquals(array(0, -1, -2, -3, -4, -5, -6, -7, -8, -9), __u::range(0, -10, -1), 'final example in the Python docs');
// extra
$this->assertEquals(array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9), __u::range(10));
$this->assertEquals(array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10), __u::range(1, 11));
$this->assertEquals(array(0, 5, 10, 15, 20, 25), __u::range(0, 30, 5));
$this->assertEquals(array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9), __u(10)->range(), 'works in OO-style calls and 1 parameter');
$this->assertEquals(array(10, 11, 12), __u(10)->range(13), 'works in OO-style calls and 2 parameters');
$this->assertEquals(array(3, 6, 9), __u(3)->range(10, 3), 'works in OO-style calls and 3 parameters');
// docs
$this->assertEquals(array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9), __u::range(10));
$this->assertEquals(array(1, 2, 3, 4), __u::range(1, 5));
$this->assertEquals(array(0, 5, 10, 15, 20, 25), __u::range(0, 30, 5));
$this->assertEquals(array(0, -1, -2, -3, -4), __u::range(0, -5, -1));
$this->assertEquals(array(), __u::range(0));
}
