QA output created by 031

=== Create image with unknown header extension ===

Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 cluster_size=65536 
magic                     0x514649fb
version                   2
backing_file_offset       0x0
backing_file_size         0x0
cluster_bits              16
size                      67108864
crypt_method              0
l1_size                   1
l1_table_offset           0x30000
refcount_table_offset     0x10000
refcount_table_clusters   1
nb_snapshots              0
snapshot_offset           0x0

Header extension:
magic                     0x12345678
length                    31
data                      'This is a test header extension'

No errors were found on the image.

=== Rewrite header with no backing file ===

magic                     0x514649fb
version                   2
backing_file_offset       0x0
backing_file_size         0x0
cluster_bits              16
size                      67108864
crypt_method              0
l1_size                   1
l1_table_offset           0x30000
refcount_table_offset     0x10000
refcount_table_clusters   1
nb_snapshots              0
snapshot_offset           0x0

Header extension:
magic                     0x12345678
length                    31
data                      'This is a test header extension'

No errors were found on the image.

=== Add a backing file and format ===

magic                     0x514649fb
version                   2
backing_file_offset       0x90
backing_file_size         0x17
cluster_bits              16
size                      67108864
crypt_method              0
l1_size                   1
l1_table_offset           0x30000
refcount_table_offset     0x10000
refcount_table_clusters   1
nb_snapshots              0
snapshot_offset           0x0

Header extension:
magic                     0xe2792aca
length                    11
data                      'host_device'

Header extension:
magic                     0x12345678
length                    31
data                      'This is a test header extension'

*** done