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41 lines
1.3 KiB
Text
41 lines
1.3 KiB
Text
local ffi = require("@lune/ffi")
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local testdir = "./tests/ffi/external_closure"
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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_closure()
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local callback_info = ffi.c.fn({ ffi.c.int, ffi.c.int }, ffi.c.int)
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local callback_closure = callback_info:closure(function(ret, a, b)
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ffi.c.int:writeData(ret, ffi.c.int:readData(a) + ffi.c.int:readData(b))
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end)
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local closure_test_info = ffi.c.fn({ callback_info }, ffi.c.int)
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local closure_test_callable = closure_test_info:callable(lib:find("closure"))
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local result_box = ffi.box(ffi.c.int.size)
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closure_test_callable(result_box, callback_closure:ref())
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local result = ffi.c.int:readData(result_box)
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assert(result == 72, `test_closure failed. result expected 20000, got {result}`)
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end
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test_closure()
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local function test_hello_world()
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local callback_info = ffi.c.fn({}, ffi.c.void)
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local callback_closure = callback_info:closure(function()
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print("Hello world in lua closure!")
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end)
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local closure_test_info = ffi.c.fn({ callback_info }, ffi.c.void)
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local closure_test_callable = closure_test_info:callable(lib:find("hello_world"))
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closure_test_callable(nil, callback_closure:ref())
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end
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test_hello_world()
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