public function testMap()
{
// from js
$this->assertEquals(array(2, 4, 6), __u::map(array(1, 2, 3), function ($num) {
return $num * 2;
}), 'doubled numbers');
$ifnull = __u::map(null, function () {
});
$this->assertTrue(is_array($ifnull) && count($ifnull) === 0, 'handles a null property');
$multiplier = 3;
$func = function ($num) use($multiplier) {
return $num * $multiplier;
};
$tripled = __u::map(array(1, 2, 3), $func);
$this->assertEquals(array(3, 6, 9), $tripled);
$doubled = __u(array(1, 2, 3))->map(function ($num) {
return $num * 2;
});
$this->assertEquals(array(2, 4, 6), $doubled, 'OO-style doubled numbers');
$this->assertEquals(array(2, 4, 6), __u::map(array(1, 2, 3), function ($n) {
return $n * 2;
}));
$this->assertEquals(array(2, 4, 6), __u(array(1, 2, 3))->map(function ($n) {
return $n * 2;
}));
$doubled = __u::collect(array(1, 2, 3), function ($num) {
return $num * 2;
});
$this->assertEquals(array(2, 4, 6), $doubled, 'aliased as "collect"');
// docs
$this->assertEquals(array(3, 6, 9), __u::map(array(1, 2, 3), function ($num) {
return $num * 3;
}));
$this->assertEquals(array(3, 6, 9), __u::map(array('one' => 1, 'two' => 2, 'three' => 3), function ($num, $key) {
return $num * 3;
}));
}
public function testUniq()
{
// from js
$list = array(1, 2, 1, 3, 1, 9);
$this->assertEquals(array(1, 2, 3, 9), __u::uniq($list), 'can find the unique values of an unsorted array');
$list = array(1, 1, 1, 2, 2, 3);
$this->assertEquals(array(1, 2, 3), __u::uniq($list), 'can find the unique values of a sorted array faster');
$func = function () {
return __u::uniq(func_get_args());
};
$result = $func(1, 2, 1, 3, 1, 4);
$this->assertEquals(array(1, 2, 3, 4), $result, 'works on an arguments object');
$list = array((object) array('name' => 'moe'), (object) array('name' => 'curly'), (object) array('name' => 'larry'), (object) array('name' => 'curly'));
$iterator = function ($value) {
return $value->name;
};
$this->assertEquals(array('moe', 'curly', 'larry'), __u::map(__u::uniq($list, false, $iterator), $iterator), 'can find the unique values of an array using a custom iterator');
$iterator = function ($value) {
return $value + 1;
};
$list = array(1, 2, 2, 3, 4, 4);
$this->assertEquals(array(1, 2, 3, 4), __u::uniq($list, true, $iterator), 'iterator works with sorted array');
// extra
$this->assertEquals(array(4, 5, 6), __u(array(4, 5, 4, 4, 5, 5, 6))->uniq(), 'works with OO call');
$this->assertEquals(array(4, 5, 6), __u(array(4, 5, 4, 4, 5, 5, 6))->unique(), 'aliased as "unique"');
// docs
$this->assertEquals(array(2, 4, 1), __u::uniq(array(2, 2, 4, 4, 4, 1, 1, 1)));
}
