/**
* Constructor
* Each item in a list should be callable
* @param array $list default empty array
* @throws \Copycat\System\Exception
*/
public function __construct(array $list = array())
{
foreach ($list as $callback) {
System::checkCallable($callback);
}
parent::__construct($list);
}
/**
* Constructor
* @param array|null $list default null
* @throws \Copycat\Callback\Exception
*/
public function __construct(array $list = null)
{
parent::__construct();
if (!empty($list)) {
foreach ($list as $key => $value) {
if (!$value instanceof Collection) {
throw new Exception('Wrond stucture is given for handling');
}
$this->add($key, $value);
}
}
}
/**
* Tests reducing
* @covers \Copycat\Structure\CollectionAbstract::reduce()
*/
public function testReduce()
{
$this->assertFalse($this->collection->reduce(function ($init) {
return $init;
}, false));
$this->assertTrue($this->collection->reduce(function ($init) {
return $init;
}, true));
$this->assertEquals('foo', $this->collection->reduce(function ($init, $item) {
return !$init ?: $item;
}, true));
$this->assertEquals('foo', $this->collection->reduce(function ($init, $item) {
return !$init ?: $item;
}, true, 'foo'));
$this->assertEquals('foo', $this->collection->reduce(function ($init, $item) {
return !$init ?: $item;
}, true, 'bar'));
}
