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28 lines
829 B
Text
28 lines
829 B
Text
local ffi = require("@lune/ffi")
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local c = ffi.c
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local testdir = "./tests/ffi/external_struct"
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local compile = require("../utility/compile")
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compile(`{testdir}/lib.c`, `{testdir}/lib.so`)
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local lib = ffi.open(`{testdir}/lib.so`)
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local function test_AB()
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local ArgStruct = c.struct({ c.int, c.int:ptr() })
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local ResultStruct = c.struct({ c.int, c.int })
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local AB = c.fn({ ArgStruct }, ResultStruct)
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local AB_callable = AB:callable(lib:find("AB"))
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local resultBox = ffi.box(ResultStruct.size)
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local b = c.int:box(200)
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local arg = ArgStruct:box({ 100, b:ref() })
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AB_callable(resultBox, arg:ref())
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local result = ResultStruct:readData(resultBox)
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assert(result[1] == 300, `AB failed. result expected 300, got {result[1]}`)
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assert(result[2] == 20000, `AB failed. result expected 300, got {result[2]}`)
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end
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test_AB()
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