define
link a b
create a
link a b
link a b
link c d
remove b
link-or-copy a b
remove b
----
link: a -> b [file does not exist]
create: a [<nil>]
close: a [<nil>]
link: a -> b [<nil>]
link: a -> b [file already exists]
link: c -> d [file does not exist]
remove: b [<nil>]
link: a -> b [<nil>]
remove: b [<nil>]

define linkErr=ErrExist
create a
link a b
link-or-copy a b
----
create: a [<nil>]
close: a [<nil>]
link: a -> b [file already exists]
link: a -> b [file already exists]

define linkErr=ErrNotExist
create a
link a b
link-or-copy a b
----
create: a [<nil>]
close: a [<nil>]
link: a -> b [file does not exist]
link: a -> b [file does not exist]

define linkErr=ErrPermission
create a
link a b
link-or-copy a b
----
create: a [<nil>]
close: a [<nil>]
link: a -> b [permission denied]
link: a -> b [permission denied]

define linkErr=random
create a
link a b
link-or-copy a b
----
create: a [<nil>]
close: a [<nil>]
link: a -> b [random]
link: a -> b [random]
open: a [<nil>]
create: b [<nil>]
sync: b [<nil>]
close: b [<nil>]
close: a [<nil>]

define
mkdir d
create d/a
mkdir  d/b
create d/b/c
----
mkdir: d [<nil>]
create: d/a [<nil>]
close: a [<nil>]
mkdir: d/b [<nil>]
create: d/b/c [<nil>]
close: c [<nil>]

# NB: This clone does not specify a destination FS, so the clone target will be
# the same FS. This results in the use of link.

define
clone d e link
----
open: d [<nil>]
mkdir: e [<nil>]
open: d/a [<nil>]
link: d/a -> e/a [random]
open: d/a [<nil>]
create: e/a [<nil>]
sync: a [<nil>]
close: a [<nil>]
close: d/a [<nil>]
close: d/a [<nil>]
open: d/b [<nil>]
mkdir: e/b [<nil>]
open: d/b/c [<nil>]
link: d/b/c -> e/b/c [random]
open: d/b/c [<nil>]
create: e/b/c [<nil>]
sync: c [<nil>]
close: c [<nil>]
close: d/b/c [<nil>]
close: d/b/c [<nil>]
close: d/b [<nil>]
close: d [<nil>]

define
list e
----
a
b

define
list e/b
----
c

define
list /
remove e
remove-all e
remove-all e
remove-all e/a/b/c
list /
----
a
b
d
e
remove: e [file already exists]
remove-all: e [<nil>]
remove-all: e [<nil>]
remove-all: e/a/b/c [<nil>]
a
b
d

define
reuseForWrite a b
reuseForWrite x y
----
reuseForWrite: a -> b [<nil>]
reuseForWrite: x -> y [file does not exist]

# NB: This clone target specified a different FS. This results in no use of
# link, despite link being provided.

define
clone d f mem link
----
open: d [<nil>]
mkdir: f [<nil>]
open: d/a [<nil>]
create: f/a [<nil>]
close: a [<nil>]
close: d/a [<nil>]
open: d/b [<nil>]
mkdir: f/b [<nil>]
open: d/b/c [<nil>]
create: f/b/c [<nil>]
close: c [<nil>]
close: d/b/c [<nil>]
close: d/b [<nil>]
close: d [<nil>]

# NB: This clone does not specify link, so all files are copied. It does specify
# sync, so all files and directories are synced.

define
clone d g sync
----
open: d [<nil>]
mkdir: g [<nil>]
open: d/a [<nil>]
create: g/a [<nil>]
sync: a [<nil>]
close: a [<nil>]
close: d/a [<nil>]
open: d/b [<nil>]
mkdir: g/b [<nil>]
open: d/b/c [<nil>]
create: g/b/c [<nil>]
sync: c [<nil>]
close: c [<nil>]
close: d/b/c [<nil>]
close: d/b [<nil>]
close: d [<nil>]