mirror of
https://github.com/luanti-org/luanti.git
synced 2025-08-31 18:31:04 +00:00
Add Lua binary network serialization functions
This commit is contained in:
v-rob
parent
fde6384a09
commit
2f33926573
6 changed files with 563 additions and 59 deletions
|
|
@ -341,3 +341,202 @@ local function test_ipc_poll(cb)
|
|||
print("delta: " .. (core.get_us_time() - t0) .. "us")
|
||||
end
|
||||
unittests.register("test_ipc_poll", test_ipc_poll)
|
||||
|
||||
unittests.register("test_encode_network", function()
|
||||
-- 8-bit integers
|
||||
assert(core.encode_network("bbbbbbb", 0, 1, -1, -128, 127, 255, 256) ==
|
||||
"\x00\x01\xFF\x80\x7F\xFF\x00")
|
||||
assert(core.encode_network("BBBBBBB", 0, 1, -1, -128, 127, 255, 256) ==
|
||||
"\x00\x01\xFF\x80\x7F\xFF\x00")
|
||||
|
||||
-- 16-bit integers
|
||||
assert(core.encode_network("hhhhhhhh",
|
||||
0, 1, 257, -1,
|
||||
-32768, 32767, 65535, 65536) ==
|
||||
"\x00\x00".."\x00\x01".."\x01\x01".."\xFF\xFF"..
|
||||
"\x80\x00".."\x7F\xFF".."\xFF\xFF".."\x00\x00")
|
||||
assert(core.encode_network("HHHHHHHH",
|
||||
0, 1, 257, -1,
|
||||
-32768, 32767, 65535, 65536) ==
|
||||
"\x00\x00".."\x00\x01".."\x01\x01".."\xFF\xFF"..
|
||||
"\x80\x00".."\x7F\xFF".."\xFF\xFF".."\x00\x00")
|
||||
|
||||
-- 32-bit integers
|
||||
assert(core.encode_network("iiiiiiii",
|
||||
0, 257, 2^24-1, -1,
|
||||
-2^31, 2^31-1, 2^32-1, 2^32) ==
|
||||
"\x00\x00\x00\x00".."\x00\x00\x01\x01".."\x00\xFF\xFF\xFF".."\xFF\xFF\xFF\xFF"..
|
||||
"\x80\x00\x00\x00".."\x7F\xFF\xFF\xFF".."\xFF\xFF\xFF\xFF".."\x00\x00\x00\x00")
|
||||
assert(core.encode_network("IIIIIIII",
|
||||
0, 257, 2^24-1, -1,
|
||||
-2^31, 2^31-1, 2^32-1, 2^32) ==
|
||||
"\x00\x00\x00\x00".."\x00\x00\x01\x01".."\x00\xFF\xFF\xFF".."\xFF\xFF\xFF\xFF"..
|
||||
"\x80\x00\x00\x00".."\x7F\xFF\xFF\xFF".."\xFF\xFF\xFF\xFF".."\x00\x00\x00\x00")
|
||||
|
||||
-- 64-bit integers
|
||||
assert(core.encode_network("llllll",
|
||||
0, 1,
|
||||
511, -1,
|
||||
2^53-1, -2^53) ==
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00".."\x00\x00\x00\x00\x00\x00\x00\x01"..
|
||||
"\x00\x00\x00\x00\x00\x00\x01\xFF".."\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"..
|
||||
"\x00\x1F\xFF\xFF\xFF\xFF\xFF\xFF".."\xFF\xE0\x00\x00\x00\x00\x00\x00")
|
||||
assert(core.encode_network("LLLLLL",
|
||||
0, 1,
|
||||
511, -1,
|
||||
2^53-1, -2^53) ==
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00".."\x00\x00\x00\x00\x00\x00\x00\x01"..
|
||||
"\x00\x00\x00\x00\x00\x00\x01\xFF".."\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"..
|
||||
"\x00\x1F\xFF\xFF\xFF\xFF\xFF\xFF".."\xFF\xE0\x00\x00\x00\x00\x00\x00")
|
||||
|
||||
-- Strings
|
||||
local max_16 = string.rep("*", 2^16 - 1)
|
||||
local max_32 = string.rep("*", 2^26)
|
||||
|
||||
assert(core.encode_network("ssss",
|
||||
"", "hello",
|
||||
max_16, max_16.."too long") ==
|
||||
"\x00\x00".. "\x00\x05hello"..
|
||||
"\xFF\xFF"..max_16.."\xFF\xFF"..max_16)
|
||||
assert(core.encode_network("SSSS",
|
||||
"", "hello",
|
||||
max_32, max_32.."too long") ==
|
||||
"\x00\x00\x00\x00".. "\x00\x00\x00\x05hello"..
|
||||
"\x04\x00\x00\x00"..max_32.."\x04\x00\x00\x00"..max_32)
|
||||
assert(core.encode_network("zzzz",
|
||||
"", "hello", "hello\0embedded", max_16.."longer") ==
|
||||
"\0".."hello\0".."hello\0".. max_16.."longer\0")
|
||||
assert(core.encode_network("ZZZZ",
|
||||
"", "hello", "hello\0embedded", max_16.."longer") ==
|
||||
"".."hello".."hello\0embedded"..max_16.."longer")
|
||||
|
||||
-- Spaces
|
||||
assert(core.encode_network("B I", 255, 2^31) == "\xFF\x80\x00\x00\x00")
|
||||
assert(core.encode_network(" B Zz ", 15, "abc", "xyz") == "\x0Fabcxyz\0")
|
||||
|
||||
-- Empty format strings
|
||||
assert(core.encode_network("") == "")
|
||||
assert(core.encode_network(" ", 5, "extra args") == "")
|
||||
end)
|
||||
|
||||
unittests.register("test_decode_network", function()
|
||||
local d
|
||||
|
||||
-- 8-bit integers
|
||||
d = {core.decode_network("bbbbb", "\x00\x01\x7F\x80\xFF")}
|
||||
assert(#d == 5)
|
||||
assert(d[1] == 0 and d[2] == 1 and d[3] == 127 and d[4] == -128 and d[5] == -1)
|
||||
|
||||
d = {core.decode_network("BBBBB", "\x00\x01\x7F\x80\xFF")}
|
||||
assert(#d == 5)
|
||||
assert(d[1] == 0 and d[2] == 1 and d[3] == 127 and d[4] == 128 and d[5] == 255)
|
||||
|
||||
-- 16-bit integers
|
||||
d = {core.decode_network("hhhhhh",
|
||||
"\x00\x00".."\x00\x01".."\x01\x01"..
|
||||
"\x7F\xFF".."\x80\x00".."\xFF\xFF")}
|
||||
assert(#d == 6)
|
||||
assert(d[1] == 0 and d[2] == 1 and d[3] == 257 and
|
||||
d[4] == 32767 and d[5] == -32768 and d[6] == -1)
|
||||
|
||||
d = {core.decode_network("HHHHHH",
|
||||
"\x00\x00".."\x00\x01".."\x01\x01"..
|
||||
"\x7F\xFF".."\x80\x00".."\xFF\xFF")}
|
||||
assert(#d == 6)
|
||||
assert(d[1] == 0 and d[2] == 1 and d[3] == 257 and
|
||||
d[4] == 32767 and d[5] == 32768 and d[6] == 65535)
|
||||
|
||||
-- 32-bit integers
|
||||
d = {core.decode_network("iiiiii",
|
||||
"\x00\x00\x00\x00".."\x00\x00\x00\x01".."\x00\xFF\xFF\xFF"..
|
||||
"\x7F\xFF\xFF\xFF".."\x80\x00\x00\x00".."\xFF\xFF\xFF\xFF")}
|
||||
assert(#d == 6)
|
||||
assert(d[1] == 0 and d[2] == 1 and d[3] == 2^24-1 and
|
||||
d[4] == 2^31-1 and d[5] == -2^31 and d[6] == -1)
|
||||
|
||||
d = {core.decode_network("IIIIII",
|
||||
"\x00\x00\x00\x00".."\x00\x00\x00\x01".."\x00\xFF\xFF\xFF"..
|
||||
"\x7F\xFF\xFF\xFF".."\x80\x00\x00\x00".."\xFF\xFF\xFF\xFF")}
|
||||
assert(#d == 6)
|
||||
assert(d[1] == 0 and d[2] == 1 and d[3] == 2^24-1 and
|
||||
d[4] == 2^31-1 and d[5] == 2^31 and d[6] == 2^32-1)
|
||||
|
||||
-- 64-bit integers
|
||||
d = {core.decode_network("llllll",
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00".."\x00\x00\x00\x00\x00\x00\x00\x01"..
|
||||
"\x00\x00\x00\x00\x00\x00\x01\xFF".."\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"..
|
||||
"\x00\x1F\xFF\xFF\xFF\xFF\xFF\xFF".."\xFF\xE0\x00\x00\x00\x00\x00\x00")}
|
||||
assert(#d == 6)
|
||||
assert(d[1] == 0 and d[2] == 1 and d[3] == 511 and
|
||||
d[4] == -1 and d[5] == 2^53-1 and d[6] == -2^53)
|
||||
|
||||
d = {core.decode_network("LLLLLL",
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00".."\x00\x00\x00\x00\x00\x00\x00\x01"..
|
||||
"\x00\x00\x00\x00\x00\x00\x01\xFF".."\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"..
|
||||
"\x00\x1F\xFF\xFF\xFF\xFF\xFF\xFF".."\xFF\xE0\x00\x00\x00\x00\x00\x00")}
|
||||
assert(#d == 6)
|
||||
assert(d[1] == 0 and d[2] == 1 and d[3] == 511 and
|
||||
d[4] == 2^64-1 and d[5] == 2^53-1 and d[6] == 2^64 - 2^53)
|
||||
|
||||
-- Floating point numbers
|
||||
local enc = core.encode_network("fff",
|
||||
0.0, 123.456, -987.654)
|
||||
assert(#enc == 3 * 4)
|
||||
|
||||
d = {core.decode_network("fff", enc)}
|
||||
assert(#d == 3)
|
||||
assert(d[1] == 0.0 and d[2] > 123.45 and d[2] < 123.46 and
|
||||
d[3] > -987.66 and d[3] < -987.65)
|
||||
|
||||
-- Strings
|
||||
local max_16 = string.rep("*", 2^16 - 1)
|
||||
local max_32 = string.rep("*", 2^26)
|
||||
|
||||
d = {core.decode_network("ssss",
|
||||
"\x00\x00".."\x00\x05hello".."\xFF\xFF"..max_16.."\x00\xFFtoo short")}
|
||||
assert(#d == 4)
|
||||
assert(d[1] == "" and d[2] == "hello" and d[3] == max_16 and d[4] == "too short")
|
||||
|
||||
d = {core.decode_network("SSSSS",
|
||||
"\x00\x00\x00\x00".."\x00\x00\x00\x05hello"..
|
||||
"\x04\x00\x00\x00"..max_32.."\x04\x00\x00\x08"..max_32.."too long"..
|
||||
"\x00\x00\x00\xFFtoo short")}
|
||||
assert(#d == 5)
|
||||
assert(d[1] == "" and d[2] == "hello" and
|
||||
d[3] == max_32 and d[4] == max_32 and d[5] == "too short")
|
||||
|
||||
d = {core.decode_network("zzzz", "\0".."hello\0".."missing end")}
|
||||
assert(#d == 4)
|
||||
assert(d[1] == "" and d[2] == "hello" and d[3] == "missing end" and d[4] == "")
|
||||
|
||||
-- Verbatim strings
|
||||
d = {core.decode_network("ZZZZ", "xxxyyyyyzzz", 3, 0, 5, -1)}
|
||||
assert(#d == 4)
|
||||
assert(d[1] == "xxx" and d[2] == "" and d[3] == "yyyyy" and d[4] == "zzz")
|
||||
|
||||
-- Read past end
|
||||
d = {core.decode_network("bhilBHILf", "")}
|
||||
assert(#d == 9)
|
||||
assert(d[1] == 0 and d[2] == 0 and d[3] == 0 and d[4] == 0 and
|
||||
d[5] == 0 and d[6] == 0 and d[7] == 0 and d[8] == 0 and d[9] == 0.0)
|
||||
|
||||
d = {core.decode_network("ZsSzZ", "xx", 4, 4)}
|
||||
assert(#d == 5)
|
||||
assert(d[1] == "xx\0\0" and d[2] == "" and d[3] == "" and
|
||||
d[4] == "" and d[5] == "\0\0\0\0")
|
||||
|
||||
-- Spaces
|
||||
d = {core.decode_network("B I", "\xFF\x80\x00\x00\x00")}
|
||||
assert(#d == 2)
|
||||
assert(d[1] == 255 and d[2] == 2^31)
|
||||
|
||||
d = {core.decode_network(" B Zz ", "\x0Fabcxyz\0", 3)}
|
||||
assert(#d == 3)
|
||||
assert(d[1] == 15 and d[2] == "abc" and d[3] == "xyz")
|
||||
|
||||
-- Empty format strings
|
||||
d = {core.decode_network("", "some random data")}
|
||||
assert(#d == 0)
|
||||
d = {core.decode_network(" ", "some random data", 3, 5)}
|
||||
assert(#d == 0)
|
||||
end)
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue