function _every($list, $iterator = NULL, $context = NULL)
{
return Underscore::every($list, $iterator, $context);
}
/**
* @tags collections
*/
public function testEvery()
{
$even = function ($v) {
return !($v & 1);
};
// it should work with arrays, objects and iterators
$this->typeTolerant([2, 4, 6, 8], null, function ($in, $out) use($even) {
$this->boolean(_::every($in, $even))->isTrue();
}, [0, -1]);
// the truth test should be optionnal
$this->boolean(_::every([1, true, "1", [null], (object) []]))->isTrue();
// it should return true if all items in the list passes the truth test
$this->boolean(_::every([2, 4, 6, 8], $even))->isTrue();
// it should return false if at leat one item in the list doesn't pass the truth test
$this->boolean(_::every([2, 4, 5, 6], $even))->isFalse();
// it should stop the list iteration when an item doesn't pass the truth test
$i = 0;
_::every([2, 4, 5, 6], function ($v) use(&$i, $even) {
$i++;
return $even($v);
});
$this->variable($i)->isEqualTo(3);
// it should be possible to specify a context for the truth test
$this->boolean(_::every([2, 4, 6, 8], function ($v) {
return $v % $this->mod == 0;
}, (object) ['mod' => 2]))->isTrue();
// it should return true if the list is empty
$this->boolean(_::every([], function ($v) {
return true;
}))->isTrue();
}
