/**
* Test __invoke method.
*/
public function testInvoke()
{
$this->given($closure = function ($value = null) {
return $value;
})->when($delegate = Delegate::fromClosure($closure))->then()->variable($delegate(5))->isEqualTo(5)->given($delegate = Delegate::fromMethod($this, 'sampleMethod'))->then()->variable($delegate('text'))->isEqualTo('text-sufix')->given($delegate = Delegate::fromStaticMethod(self::class, 'sampleStaticMethod'))->then()->variable($delegate('text'))->isEqualTo('text-sufix')->given($delegate = Delegate::fromFunction('array_filter'))->then()->array($delegate(['a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5], function ($value) {
return $value % 2 === 0;
}))->isEqualTo(['b' => 2, 'd' => 4]);
}
