/**
* testUnfold
*/
public function testUnfold()
{
$called = 0;
$actual = Ginq::unfold(1, function ($x) use(&$called) {
$called++;
return $x <= 5 ? array($x, $x + 1) : null;
})->toList();
$this->assertEquals(array(1, 2, 3, 4, 5), $actual);
$this->assertEquals(6, $called);
$ns = Ginq::unfold(1, function ($x) {
return array($x, $x + 1);
});
$this->assertEquals(array(1, 2, 3, 4, 5), $ns->take(5)->toList());
$this->assertEquals(array(1, 2, 3, 4, 5), $ns->take(5)->toList());
$ns = Ginq::unfold(1, array('x' => '[x, x+1]'));
$this->assertEquals(array(1, 2, 3, 4, 5), $ns->take(5)->toList());
$this->assertEquals(array(1, 2, 3, 4, 5), $ns->take(5)->toList());
}
