<?php

namespace Amp\Parallel\Test\Sync;

use Amp\Parallel\Sync\ChannelException;
use Amp\Parallel\Sync\ChannelParser;
use Amp\Parallel\Sync\SerializationException;
use Amp\PHPUnit\AsyncTestCase;

class ChannelParserTest extends AsyncTestCase
{
    public function testCorruptedData()
    {
        $this->expectException(SerializationException::class);
        $this->expectExceptionMessage('Exception thrown when unserializing data');

        $data = "Invalid serialized data";
        $data = \pack("CL", 0, \strlen($data)) . $data;
        $parser = new ChannelParser($this->createCallback(0));
        $parser->push($data);
    }

    public function testInvalidHeaderData()
    {
        $this->expectException(ChannelException::class);
        $this->expectExceptionMessage('Invalid packet received: Invalid packet');

        $data = "Invalid packet";
        $parser = new ChannelParser($this->createCallback(0));
        $parser->push($data);
    }

    public function testInvalidHeaderBinaryData()
    {
        $this->expectException(ChannelException::class);
        $this->expectExceptionMessage('Invalid packet received: B \xf3\xf2\x0\x1');

        $data = "\x42\x20\xf3\xf2\x00\x01";
        $parser = new ChannelParser($this->createCallback(0));
        $parser->push($data);
    }
}