NAME=ext2 nested relative and absolute symlinks preserve nodes
FILE=malloc://0x2400
CMDS=<<EOF
e log.level=0
wv4 16 @ 0x400
wv4 16 @ 0x404
wv4 1 @ 0x414
wv4 8192 @ 0x420
wv4 16 @ 0x428
wv2 0xef53 @ 0x438
wv4 1 @ 0x44c
wv2 128 @ 0x458
wv4 2 @ 0x460
wv4 3 @ 0x808
wv2 0x41ed @ 0xc80
wv4 1024 @ 0xc84
wv4 5 @ 0xca8
wv2 0x41ed @ 0xd00
wv4 1024 @ 0xd04
wv4 6 @ 0xd28
wv2 0x81a4 @ 0xd80
wv4 14 @ 0xd84
wv4 7 @ 0xda8
wv2 0xa1ff @ 0xe00
wv4 1 @ 0xe04
wx 6d @ 0xe28
wv2 0xa1ff @ 0xe80
wv4 1 @ 0xe84
wx 6b @ 0xea8
wv2 0xa1ff @ 0xf00
wv4 1 @ 0xf04
wx 2f @ 0xf28
wv2 0xa1ff @ 0xf80
wv4 11 @ 0xf84
wx 6d2f68656c6c6f2e747874 @ 0xfa8
wv2 0xa1ff @ 0x1000
wv4 0 @ 0x1004
wx 020000000c0001022e @ 0x1400
wx 020000000c0002022e2e @ 0x140c
wx 030000000c00010264 @ 0x1418
wx 04000000dc03090168656c6c6f2e747874 @ 0x1424
wx 030000000c0001022e @ 0x1800
wx 020000000c0002022e2e @ 0x180c
wx 050000000c0001076c @ 0x1818
wx 060000000c0001076d @ 0x1824
wx 070000000c0001076b @ 0x1830
wx 080000000c00010775 @ 0x183c
wx 09000000b803010765 @ 0x1848
wx 73796d6c696e6b20636861696e0a @ 0x1c00
m /mnt ext2 0
md /mnt/d/l
mc /mnt/d/l/hello.txt
mc /mnt/d/u
md /mnt/d/e
mc /mnt/d/l/missing
mc /mnt/d/e
wv4 0xffffffff @ 0xf04
mc /mnt/d/u
wv4 1 @ 0xf04
wx 6c @ 0xf28
mc /mnt/d/u
wx 2f @ 0xf28
mc /mnt/d/u
EOF
EXPECT=<<EOF
d .
d ..
d d
f hello.txt
symlink chain

symlink chain

d .
d ..
f l
f m
f k
f u
f e
symlink chain

EOF
EXPECT_ERR=
RUN

NAME=ext2 rejects truncated directory entries and names
FILE=malloc://0x2400
CMDS=<<EOF
e log.level=0
wv4 16 @ 0x400
wv4 16 @ 0x404
wv4 1 @ 0x414
wv4 8192 @ 0x420
wv4 16 @ 0x428
wv2 0xef53 @ 0x438
wv4 1 @ 0x44c
wv2 128 @ 0x458
wv4 2 @ 0x460
wv4 3 @ 0x808
wv2 0x41ed @ 0xc80
wv4 1024 @ 0xc84
wv4 5 @ 0xca8
wx 020000000c0001022e @ 0x1400
wx 02000000f40302022e2e @ 0x140c
m /mnt ext2 0
md /mnt
m-/mnt
wv4 18 @ 0xc84
m /mnt ext2 0
m~?
wv4 20 @ 0xc84
m /mnt ext2 0
m~?
wv4 21 @ 0xc84
m /mnt ext2 0
m~?
wv4 1024 @ 0xc84
wv2 7 @ 0x1404
m /mnt ext2 0
m~?
wv2 12 @ 0x1404
wx ff @ 0x1406
m /mnt ext2 0
m~?
wx 01 @ 0x1406
m /mnt ext2 0
md /mnt
EOF
EXPECT=<<EOF
d .
d ..
0
0
0
0
0
d .
d ..
EOF
EXPECT_ERR=
RUN

NAME=ext2 double indirect block boundary
FILE=malloc://0x2400
CMDS=<<EOF
e log.level=0
wv4 16 @ 0x400
wv4 16 @ 0x404
wv4 1 @ 0x414
wv4 8192 @ 0x420
wv4 16 @ 0x428
wv2 0xef53 @ 0x438
wv4 1 @ 0x44c
wv2 128 @ 0x458
wv4 2 @ 0x460
wv4 3 @ 0x808
wv2 0x41ed @ 0xc80
wv4 1024 @ 0xc84
wv4 5 @ 0xca8
wow 06000000 @ 0xca8!48
wv4 5 @ 0xca8
wv4 7 @ 0xcd8
wv4 8 @ 0xcdc
wx 020000000c0001022e @ 0x1400
wx 02000000f40302022e2e @ 0x140c
wv2 1024 @ 0x1804
wow 06000000 @ 0x1c00!1024
wow 07000000 @ 0x2000!1024
wv4 0x4043000 @ 0xc84
m /mnt ext2 0
m~?
m-/mnt
wv4 0x4043400 @ 0xc84
m /mnt ext2 0
m~?
EOF
EXPECT=<<EOF
1
0
EOF
EXPECT_ERR=
RUN

NAME=ext4 extent cycles depths and entry bounds
FILE=malloc://0x3000
CMDS=<<EOF
e log.level=0
wv4 16 @ 0x400
wv4 16 @ 0x404
wv4 1 @ 0x414
wv4 8192 @ 0x420
wv4 16 @ 0x428
wv2 0xef53 @ 0x438
wv4 1 @ 0x44c
wv2 128 @ 0x458
wv4 2 @ 0x460
wv4 3 @ 0x808
wv2 0x41ed @ 0xc80
wv4 1024 @ 0xc84
wv4 5 @ 0xca8
wx 020000000c0001022e @ 0x1400
wx 02000000f40302022e2e @ 0x140c
wv4 0x80000 @ 0xca0
wx 0af301000400010000000000000000000600000000000000 @ 0xca8
wx 0af301005400000000000000000000000100000005000000 @ 0x1800
m /mnt ext2 0
md /mnt
m-/mnt
wx 0af301005400010000000000000000000600000000000000 @ 0x1800
m /mnt ext2 0
m~?
wv2 2 @ 0xcae
wx 0af301005400010000000000000000000700000000000000 @ 0x1800
wx 0af301005400010000000000000000000600000000000000 @ 0x1c00
m /mnt ext2 0
m~?
wx 0af301005400000000000000000000000100000005000000 @ 0x1800
m /mnt ext2 0
m~?
wv2 6 @ 0xcae
m /mnt ext2 0
m~?
wv2 1 @ 0xcae
wv2 5 @ 0xcaa
m /mnt ext2 0
m~?
wv2 1 @ 0xcaa
wv2 86 @ 0x1804
m /mnt ext2 0
m~?
wv2 84 @ 0x1804
wv2 85 @ 0x1802
m /mnt ext2 0
m~?
wv2 1 @ 0x1802
m /mnt ext2 0
md /mnt
EOF
EXPECT=<<EOF
d .
d ..
0
0
0
0
0
0
0
d .
d ..
EOF
EXPECT_ERR=
RUN

NAME=ext4 accepts maximum valid extent depth
FILE=malloc://0x3000
CMDS=<<EOF
e log.level=0
wv4 16 @ 0x400
wv4 16 @ 0x404
wv4 1 @ 0x414
wv4 8192 @ 0x420
wv4 16 @ 0x428
wv2 0xef53 @ 0x438
wv4 1 @ 0x44c
wv2 128 @ 0x458
wv4 2 @ 0x460
wv4 3 @ 0x808
wv2 0x41ed @ 0xc80
wv4 1024 @ 0xc84
wv4 5 @ 0xca8
wx 020000000c0001022e @ 0x1400
wx 02000000f40302022e2e @ 0x140c
wv4 0x80000 @ 0xca0
wx 0af301000400050000000000000000000600000000000000 @ 0xca8
wx 0af301005400040000000000000000000700000000000000 @ 0x1800
wx 0af301005400030000000000000000000800000000000000 @ 0x1c00
wx 0af301005400020000000000000000000900000000000000 @ 0x2000
wx 0af301005400010000000000000000000a00000000000000 @ 0x2400
wx 0af301005400000000000000000000000100000005000000 @ 0x2800
m /mnt ext2 0
md /mnt
EOF
EXPECT=<<EOF
d .
d ..
EOF
EXPECT_ERR=
RUN

NAME=ext2 rejects invalid block shifts
FILE=malloc://0x2400
CMDS=<<EOF
e log.level=0
wv4 16 @ 0x400
wv4 16 @ 0x404
wv4 1 @ 0x414
wv4 8192 @ 0x420
wv4 16 @ 0x428
wv2 0xef53 @ 0x438
wv4 1 @ 0x44c
wv2 128 @ 0x458
wv4 2 @ 0x460
wv4 3 @ 0x808
wv2 0x41ed @ 0xc80
wv4 1024 @ 0xc84
wv4 5 @ 0xca8
wx 020000000c0001022e @ 0x1400
wx 02000000f40302022e2e @ 0x140c
wv4 7 @ 0x418
m /mnt ext2 0
m~?
wv4 0xffffffff @ 0x418
m /mnt ext2 0
m~?
wv4 0 @ 0x418
m /mnt ext2 0
md /mnt
EOF
EXPECT=<<EOF
0
0
d .
d ..
EOF
EXPECT_ERR=
RUN

NAME=ext2 details escape control characters and preserve UTF-8
FILE=bins/fs/ext2.img
CMDS=<<EOF
e io.cache=true
wx c3a90a1b5b324a00 @ 0x478
wx 2f6d6e740a466f726765643a207965730d00 @ 0x488
mn~^Volume
mn~^Last Mounted:
EOF
EXPECT=<<EOF
Volume Name: é\n\x1b[2J
Last Mounted: /mnt\nForged: yes\r
EOF
EXPECT_ERR=
RUN

NAME=ext4 reads 64-bit group descriptors and checksum-seeded images
FILE=malloc://0x3000
CMDS=<<EOF
e log.level=0
wv4 32 @ 0x400
wv4 32 @ 0x404
wv4 1 @ 0x414
wv4 8192 @ 0x420
wv4 16 @ 0x428
wv2 0xef53 @ 0x438
wv4 1 @ 0x44c
wv2 128 @ 0x458
wv4 0x2082 @ 0x460
wv2 64 @ 0x4fe
wv4 3 @ 0x808
wv4 8 @ 0x848
wv2 0x41ed @ 0xc80
wv4 1024 @ 0xc84
wv4 5 @ 0xca8
wx 020000000c0001022e @ 0x1400
wx 020000000c0002022e2e @ 0x140c
wx 11000000e803050168656c6c6f @ 0x1418
wv2 0x81a4 @ 0x2000
wv4 5 @ 0x2004
wv4 9 @ 0x2028
wx 68656c6c6f @ 0x2400
m /mnt ext2 0
md /mnt
mc /mnt/hello
m-/mnt
wv2 0 @ 0x4fe
m /mnt ext2 0
m~?
wv2 32 @ 0x4fe
m /mnt ext2 0
m~?
wv2 65 @ 0x4fe
m /mnt ext2 0
m~?
wv2 2048 @ 0x4fe
m /mnt ext2 0
m~?
wv2 128 @ 0x4fe
wv4 8 @ 0x888
m /mnt ext2 0
mc /mnt/hello
m-/mnt
wv4 1 @ 0x828
m /mnt ext2 0
m~?
EOF
EXPECT=<<EOF
d .
d ..
f hello
hello
0
0
0
0
hello
0
EOF
EXPECT_ERR=
RUN

NAME=ext4 advanced image with 64-bit and checksum seed features
FILE=bins/fs/ext4_advanced.img
CMDS=<<EOF
m /mnt ext2 0
md /mnt
EOF
EXPECT=<<EOF
d .
d ..
d lost+found
d folder1
d folder2
d folder3
f root.txt
EOF
EXPECT_ERR=
RUN