mirror of
https://github.com/grumpycoders/pcsx-redux.git
synced 2026-10-12 02:15:13 +00:00
Rix
684098cb68
parsemds changed the extension on the wrong variable, so it opened the path it was given as the descriptor. A .mdf never parsed and was read at a 2352 stride; a .mds parsed but every sector was then read out of the descriptor itself.
88 lines
3.0 KiB
Lua
88 lines
3.0 KiB
Lua
-- Copyright (C) 2026 PCSX-Redux authors
|
|
--
|
|
-- This program is free software; you can redistribute it and/or modify
|
|
-- it under the terms of the GNU General Public License as published by
|
|
-- the Free Software Foundation; either version 2 of the License, or
|
|
-- (at your option) any later version.
|
|
--
|
|
-- This program is distributed in the hope that it will be useful,
|
|
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
-- GNU General Public License for more details.
|
|
--
|
|
-- You should have received a copy of the GNU General Public License
|
|
-- along with this program; if not, write to the
|
|
-- Free Software Foundation, Inc.,
|
|
-- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
|
local lu = require 'luaunit'
|
|
|
|
TestMds = {}
|
|
|
|
local content = string.rep('0123456789ABCDEF', 256)
|
|
|
|
local function u16(v) return string.char(v % 256, math.floor(v / 256) % 256) end
|
|
local function u32(v) return u16(v % 65536) .. u16(math.floor(v / 65536)) end
|
|
|
|
local function pad(s, n) return s .. string.rep('\0', n - #s) end
|
|
|
|
-- Build a one-track ISO, then store it as an .mdf with 96 bytes of
|
|
-- interleaved subchannel after each 2352-byte frame, plus a minimal .mds.
|
|
local function writeImage(base)
|
|
local out = Support.File.buffer()
|
|
local builder = PCSX.isoBuilder(out)
|
|
builder:writeLicense()
|
|
local root = builder:createRoot(1)
|
|
local data = Support.File.buffer()
|
|
data:write(content)
|
|
data:rSeek(0)
|
|
builder:createFile(root, 'TEST.DAT', data)
|
|
builder:close()
|
|
|
|
local size = out:size()
|
|
lu.assertEquals(size % 2352, 0)
|
|
local sectors = size / 2352
|
|
out:rSeek(0)
|
|
local mdf = io.open(base .. '.mdf', 'wb')
|
|
for _ = 1, sectors do
|
|
mdf:write(tostring(out:read(2352)), string.rep('\0', 96))
|
|
end
|
|
mdf:close()
|
|
|
|
-- Header: signature, session block at 0x58, one track block at 0x70,
|
|
-- its extra block (pregap, length) at 0xc0.
|
|
local mds = pad('MEDIA DESCRIPTOR', 0x50) .. u32(0x58) .. u32(0)
|
|
mds = mds .. pad(string.rep('\0', 14) .. u16(1) .. u32(0) .. u32(0x70), 0x18)
|
|
local track = string.char(0xec, 0x08, 0x14, 0x00, 0x01) .. string.rep('\0', 4) .. string.char(0, 2, 0) ..
|
|
u32(0xc0) .. u16(2448)
|
|
mds = mds .. pad(pad(track, 0x28) .. u32(0) .. u32(0), 0x50)
|
|
mds = mds .. u32(0) .. u32(sectors)
|
|
local f = io.open(base .. '.mds', 'wb')
|
|
f:write(mds)
|
|
f:close()
|
|
end
|
|
|
|
local function checkRead(path)
|
|
local iso = PCSX.openIso(path)
|
|
lu.assertFalse(iso:failed())
|
|
local file = iso:createReader():open('TEST.DAT;1')
|
|
lu.assertFalse(file:failed())
|
|
lu.assertEquals(file:size(), #content)
|
|
lu.assertEquals(tostring(file:read(#content)), content)
|
|
end
|
|
|
|
function TestMds:setUp()
|
|
self.base = os.tmpname()
|
|
writeImage(self.base)
|
|
end
|
|
|
|
function TestMds:tearDown()
|
|
os.remove(self.base .. '.mdf')
|
|
os.remove(self.base .. '.mds')
|
|
os.remove(self.base)
|
|
end
|
|
|
|
function TestMds:test_openMdf() checkRead(self.base .. '.mdf') end
|
|
|
|
function TestMds:test_openMds() checkRead(self.base .. '.mds') end
|