public function testPseudoReturn()
{
$gen = (function () {
$this->assertEquals(2, (yield 1));
$this->assertEquals(4, (yield 3));
(yield CoInterface::RETURN_WITH => 5);
})();
$con = new GeneratorContainer($gen);
$this->assertEquals($con->current(), 1);
$con->send(2);
$this->assertEquals($con->current(), 3);
$con->send(4);
$this->assertFalse($con->valid());
$this->assertEquals(5, $con->getReturnOrThrown());
$this->setExpectedException(\LogicException::class);
$con->send(null);
}
/**
* Handle resolving generators still running.
* @param GeneratorContainer $gc
* @return PromiseInterface
*/
private function processGeneratorContainerRunning(GeneratorContainer $gc)
{
// Check delay request yields
if ($gc->key() === CoInterface::DELAY) {
return $this->pool->addDelay($gc->current())->then(function () use($gc) {
$gc->send(null);
return $this->processGeneratorContainer($gc);
});
}
// Now we normalize yielded value
$yielded = YieldableUtils::normalize($gc->current());
$yieldables = YieldableUtils::getYieldables($yielded, [], $this->runners);
if (!$yieldables) {
// If there are no yieldables, send yielded value back into generator
$gc->send($yielded);
// Continue
return $this->processGeneratorContainer($gc);
}
// Chain resolver
return $this->promiseAll($yieldables, $gc->key() !== CoInterface::SAFE)->then(YieldableUtils::getApplier($yielded, $yieldables, [$gc, 'send']), [$gc, 'throw_'])->then(function () use($gc, $yieldables) {
// Continue
$this->runners = array_diff_key($this->runners, $yieldables);
return $this->processGeneratorContainer($gc);
});
}