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<?php
namespace React\Promise;
use React\Promise\PromiseAdapter\CallbackPromiseAdapter;
class RejectedPromiseTest extends TestCase
{
use PromiseTest\PromiseSettledTestTrait,
PromiseTest\PromiseRejectedTestTrait;
public function getPromiseTestAdapter(callable $canceller = null)
{
$promise = null;
return new CallbackPromiseAdapter([
'promise' => function () use (&$promise) {
if (!$promise) {
throw new \LogicException('RejectedPromise must be rejected before obtaining the promise');
}
return $promise;
},
'resolve' => function () {
throw new \LogicException('You cannot call resolve() for React\Promise\RejectedPromise');
},
'reject' => function ($reason = null) use (&$promise) {
if (!$promise) {
$promise = new RejectedPromise($reason);
}
},
'notify' => function () {
// no-op
},
'settle' => function ($reason = null) use (&$promise) {
if (!$promise) {
$promise = new RejectedPromise($reason);
}
},
]);
}
/** @test */
public function shouldThrowExceptionIfConstructedWithAPromise()
{
$this->setExpectedException('\InvalidArgumentException');
return new RejectedPromise(new RejectedPromise());
}
/** @test */
public function shouldNotLeaveGarbageCyclesWhenRemovingLastReferenceToRejectedPromiseWithAlwaysFollowers()
{
gc_collect_cycles();
$promise = new RejectedPromise(1);
$promise->always(function () {
throw new \RuntimeException();
});
unset($promise);
$this->assertSame(0, gc_collect_cycles());
}
/** @test */
public function shouldNotLeaveGarbageCyclesWhenRemovingLastReferenceToRejectedPromiseWithThenFollowers()
{
gc_collect_cycles();
$promise = new RejectedPromise(1);
$promise = $promise->then(null, function () {
throw new \RuntimeException();
});
unset($promise);
$this->assertSame(0, gc_collect_cycles());
}
}
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