ProtobufTest\Binary\StreamWriterTest::testWriteStream PHP Метод

    public function testWriteStream()
    {
        $source = Stream::create();
        $target = Stream::create();
        $writer = new StreamWriter($this->config);
        $writer->writeVarint($source, WireFormat::getFieldKey(1, WireFormat::WIRE_FIXED64));
        $writer->writeDouble($source, 123456789.12345);
        $source->seek(0);
        $writer->writeStream($target, $source);
        $this->assertEquals((string) $source, (string) $target);
    }