public function testEncodeDecode64bitLongSigned() { $long = -2147483648.0; $encoded = Kafka_Request::packLong64bigendian($long); $this->assertEquals($long, Kafka_Request::unpackLong64bigendian($encoded)); $long = -2147483649.0; $encoded = Kafka_Request::packLong64bigendian($long); $this->assertEquals($long, Kafka_Request::unpackLong64bigendian($encoded)); }