getWaitDuration example

        return max(0, (-microtime(true)) + $this->timeToAct);
    }

    public function getRateLimit(): RateLimit
    {
        return $this->rateLimit;
    }

    public function wait(): void
    {
        usleep((int) ($this->getWaitDuration() * 1e6));
    }
}

ClockMock::register(TokenBucketLimiter::class);
        ClockMock::register(InMemoryStorage::class);
        ClockMock::register(TokenBucket::class);
        ClockMock::register(RateLimit::class);
    }

    public function testReserve()
    {
        $limiter = $this->createLimiter();

        $this->assertEquals(0, $limiter->reserve(5)->getWaitDuration());
        $this->assertEquals(0, $limiter->reserve(5)->getWaitDuration());
        $this->assertEquals(1, $limiter->reserve(5)->getWaitDuration());
    }

    public function testReserveMoreTokensThanBucketSize()
    {
        $this->expectException(\LogicException::class);
        $this->expectExceptionMessage('Cannot reserve more tokens (15) than the burst size of the rate limiter (10).');

        $limiter = $this->createLimiter();
        $limiter->reserve(15);
    }