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config.target = 'core'

local function clean_path(p)

-- todo: replace with dfhack.filesystem call?

return p:gsub('\\', '/'):gsub('//', '/'):gsub('/$', '')

end

local fs = dfhack.filesystem

local old_cwd = clean_path(fs.getcwd())

local function restore_cwd()

fs.chdir(old_cwd)

end

function test.getDFPath()

expect.eq(clean_path(dfhack.getDFPath()), old_cwd)

end

function test.get_initial_cwd()

expect.eq(clean_path(dfhack.filesystem.get_initial_cwd()), clean_path(dfhack.getDFPath()))

end

function test.getDFPath_chdir()

dfhack.with_finalize(restore_cwd, function()

fs.chdir('data')

expect.eq(clean_path(dfhack.getDFPath()), old_cwd)

expect.ne(clean_path(dfhack.getDFPath()), clean_path(fs.getcwd()))

end)

end

function test.getHackPath()

expect.eq(clean_path(dfhack.getHackPath()), clean_path(dfhack.getDFPath() .. '/hack/'))

end

function test.getHackPath_chdir()

dfhack.with_finalize(restore_cwd, function()

fs.chdir('hack')

expect.eq(clean_path(dfhack.getHackPath()), clean_path(old_cwd .. '/hack/'))

expect.eq(clean_path(dfhack.getHackPath()), clean_path(fs.getcwd()))

end)

end

-- validates that the size in df.globals.xml is correct

function test.global_table_size()

local elem_size = df.global_table_entry:sizeof()

local actual_arr_size = 0

while df._displace(df.global.global_table[0], actual_arr_size, elem_size).address do

actual_arr_size = actual_arr_size + 1

end

local declared_arr_size = df.global.global_table:sizeof() // elem_size

expect.eq(declared_arr_size, actual_arr_size,

('global_table size mismatch: expected: %d, actual: %d'):format(declared_arr_size, actual_arr_size))

end