blktest is an integration which may be used to check adherence to the block protocol.
$ blktest -d /dev/class/block/000
fs-test is a filesystem integration test suite that can be used to verify
Fuchsia filesystem correctness on a filesystem.
To avoid racing with the auto-mounter, it is recommended to run this test with the kernel command line option "zircon.system.disable-automount=true".
$ /boot/test/fs/fs-test -d /dev/class/block/000 -f minfs
iochk is a tool which pseudorandomly reads and writes to a block device to check for errors.
$ iochk -bs 32k -t 8 /dev/class/block/000
iotime is a benchmarking tool which tests the read and write performance of block devices.
$ iotime read fifo /dev/class/block/000 64m 4k