Why does 'align-check' in parted do not return anything while checking the partition for alignment?

Issue

• How to check if a partition is aligned, in Red Hat Enterprise Linux 6 ?

• Trying to use 'align-check' in 'parted' to check the alignment, but it doesn't output anything, why ?

(parted) mkpart primary 0GB 1%
(parted) print
Model: HP LOGICAL VOLUME (scsi)
Disk /dev/sdc: 48.0TB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number  Start   End    Size   File system  Name     Flags
 1      3146kB  480GB  480GB               primary

(parted) align-check optimal 1
(parted) align-check minimal 1
(parted)                        (<== No output)