mirror of
https://github.com/bryanthaboi/gen1recomp
synced 2026-10-04 08:21:40 -04:00
bryanthaboi
59 lines
2.8 KiB
Lua
59 lines
2.8 KiB
Lua
package.path = "./?.lua;./?/init.lua;" .. package.path
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local T = require("tests.harness")
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local check, eq = T.check, T.eq
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love = love or require("tests.love_stub")
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local K = require("tests.save_compat._codec")
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local G2 = require("tests.fixtures.save.gen2_build")
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local B = require("tests.fixtures.save.bytes")
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local Gen2Save = require("src.save_convert.Gen2Save")
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local N = Gen2Save.BOX_BYTES
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for _, v in ipairs({ "gold", "silver", "crystal" }) do
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local L = Gen2Save.layoutFor(v)
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local function span(s, at) return s:sub(at + 1, at + N) end
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local boxes = { [3] = G2.boxOf(4, 11) }
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local src = G2.build({ version = v, boxes = boxes, currentBox = 2 })
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eq(span(src, L.sBox), span(src, L.boxes[3]), v .. ": the fixture's sBox is box 3")
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-- pokecrystal engine/menus/save.asm:766 LoadBox, :975 LoadBoxAddress
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local b = B.fromString(src)
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local stale = G2.boxOf(2, 90)
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local tmp = B.fromString(G2.build({ version = v, boxes = { [3] = stale }, currentBox = 2 }))
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B.copy(tmp, L.boxes[3], L.sBox, N)
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for i = 0, N - 1 do b[L.sBox + i] = tmp[L.sBox + i] end
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G2.seal(b, v)
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local divergent = B.pack(b)
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check(span(divergent, L.sBox) ~= span(divergent, L.boxes[3]), v .. ": sBox holds mons the archive does not")
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local save = assert(Gen2Save.decode(divergent, v, K.gen2Data))
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eq(#save.boxes[3], 4, v .. ": the archived box is what the cartridge loads over sBox")
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check(save.warnings and save.warnings[1]:find("active box", 1, true) ~= nil, v .. ": and the difference is reported")
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local templated = assert(Gen2Save.encode(save, v, divergent, K.gen2Data))
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eq(templated, divergent, v .. ": an unchanged export keeps the stale sBox bytes exactly")
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-- pokecrystal engine/menus/save.asm:521 SaveBox, :900 SaveBoxAddress
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local fresh = assert(Gen2Save.encode(save, v, nil, K.gen2Data))
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eq(span(fresh, L.sBox), span(fresh, L.boxes[3]), v .. ": a templateless export writes sBox equal to the archive")
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eq(fresh:byte(L.wCurBox + 1), 2, v .. ": with wCurBox naming that box")
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save.boxes[3][1].level = 77
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local edited = assert(Gen2Save.encode(save, v, divergent, K.gen2Data))
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eq(span(edited, L.sBox), span(edited, L.boxes[3]), v .. ": editing the current box rewrites sBox with the archive")
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eq(edited:byte(L.boxes[3] + 0x16 + 0x1F + 1), 77, v .. ": including the edit")
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save.boxes[3][1].level = 5 + 1 % 90
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save.currentBox = 5
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local moved = assert(Gen2Save.encode(save, v, divergent, K.gen2Data))
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eq(moved:byte(L.wCurBox + 1), 4, v .. ": changing the current box writes wCurBox")
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eq(span(moved, L.sBox), span(moved, L.boxes[5]), v .. ": and sBox becomes the new box")
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local back = assert(Gen2Save.decode(moved, v, K.gen2Data))
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eq(back.currentBox, 5, v .. ": and it imports as that box")
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eq(#back.boxes[3], 4, v .. ": leaving the old box intact in the archive")
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end
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T.finish()
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