function testFromFailureHandler()
{
$ok = 0;
$promise = new Promise();
$promise->otherwise(function ($reason) {
$this->assertEquals('foo', $reason);
throw new \Exception('hi');
})->then(function () use(&$ok) {
$ok = -1;
}, function () use(&$ok) {
$ok = 1;
});
$this->assertEquals(0, $ok);
$promise->reject('foo');
Loop\run();
$this->assertEquals(1, $ok);
}