React\Tests\Http\RequestHeaderParserTest::testHeaderOverflowShouldEmitError PHP Метод

    public function testHeaderOverflowShouldEmitError()
    {
        $error = null;
        $passedParser = null;
        $parser = new RequestHeaderParser();
        $parser->on('headers', $this->expectCallableNever());
        $parser->on('error', function ($message, $parser) use(&$error, &$passedParser) {
            $error = $message;
            $passedParser = $parser;
        });
        $this->assertSame(1, count($parser->listeners('headers')));
        $this->assertSame(1, count($parser->listeners('error')));
        $data = str_repeat('A', 4097);
        $parser->feed($data);
        $this->assertInstanceOf('OverflowException', $error);
        $this->assertSame('Maximum header size of 4096 exceeded.', $error->getMessage());
        $this->assertSame($parser, $passedParser);
        $this->assertSame(0, count($parser->listeners('headers')));
        $this->assertSame(0, count($parser->listeners('error')));
    }