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-- file: example.lua
---- importing ----
if string.sub(_VERSION,1,7)=='Lua 5.0' then
-- lua5.0 doesn't have a nice way to do this
lib=loadlib('example.dll','luaopen_example') or loadlib('example.so','luaopen_example')
assert(lib)()
else
-- lua 5.1 does
require('example')
end
print("ICONST = "..example.ICONST.." (should be 42)")
print("FCONST = "..example.FCONST.." (should be 2.1828)")
print("CCONST = "..example.CCONST.." (should be 'x')")
print("CCONST2 = "..example.CCONST2.." (this should be on a new line)")
print("SCONST = "..example.SCONST.." (should be 'Hello World')")
print("SCONST2 = "..example.SCONST2.." (should be '\"Hello World\"')")
print("EXPR = "..example.EXPR.." (should be 48.5484)")
print("iconst = "..example.iconst.." (should be 37)")
print("fconst = "..example.fconst.." (should be 3.14)")
-- helper to check that a fn failed
function checkfail(fn)
if pcall(fn)==true then
print("that shouldn't happen, it worked")
else
print("function failed as expected")
end
end
-- these should fail
-- example.EXTERN is a nil value, so concatentatin will make it fail
checkfail(function() print("EXTERN = "..example.EXTERN) end)
checkfail(function() print("FOO = "..example.FOO) end)
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