<?php

namespace NoccyLabs\Ipc\Shm;

use NoccyLabs\Ipc\Key\FileKey;


class SharedMemoryBlockTest extends \PhpUnit\Framework\TestCase
{
    public function testWritingAndReading()
    {
        $key = new FileKey(__DIR__);
        $shm = new SharedMemoryBlock($key, SharedMemoryBlock::FLAG_CREATE, 64);

        $this->assertEquals(11, $shm->write("Hello World", 0));
        $this->assertEquals("Hello World", $shm->read(11, 0));
        $this->assertEquals(3, $shm->write("foo", 2));
        $this->assertEquals("Hefoo World", $shm->read(11, 0));
    
        $shm->destroy();
    }
}