== block_size must be a multiple of 512 ==
can't open device TEST_DIR/simple-pattern.cloop: block_size 513 must be a multiple of 512
-no file open, try 'help open'
== block_size cannot be zero ==
can't open device TEST_DIR/simple-pattern.cloop: block_size cannot be zero
-no file open, try 'help open'
== huge block_size ===
can't open device TEST_DIR/simple-pattern.cloop: block_size 4294966784 must be 64 MB or less
-no file open, try 'help open'
== offsets_size overflow ===
can't open device TEST_DIR/simple-pattern.cloop: n_blocks 4294967295 must be 536870911 or less
-no file open, try 'help open'
== refuse images that require too many offsets ===
can't open device TEST_DIR/simple-pattern.cloop: image requires too many offsets, try increasing block size
-no file open, try 'help open'
== refuse images with non-monotonically increasing offsets ==
can't open device TEST_DIR/simple-pattern.cloop: offsets not monotonically increasing at index 1, image file is corrupt
-no file open, try 'help open'
== refuse images with invalid compressed block size ==
can't open device TEST_DIR/simple-pattern.cloop: invalid compressed block size at index 1, image file is corrupt
-no file open, try 'help open'
*** done