ProtobufTest\Binary\SizeCalculatorTest::testComputeFixed64Size PHP Method

    public function testComputeFixed64Size($value)
    {
        $stream = Stream::create();
        $this->writer->writeFixed64($stream, $value);
        $streamSize = $stream->getSize();
        $actualSize = $this->calculator->computeFixed64Size($value);
        $this->assertEquals($streamSize, $actualSize);
    }