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Diffstat (limited to 'tests/test-suite/tpack.js')
| -rw-r--r-- | tests/test-suite/tpack.js | 690 |
1 files changed, 0 insertions, 690 deletions
diff --git a/tests/test-suite/tpack.js b/tests/test-suite/tpack.js deleted file mode 100644 index 745c151..0000000 --- a/tests/test-suite/tpack.js +++ /dev/null @@ -1,690 +0,0 @@ -"use strict"; - -const test = require('tape'); - -const lua = require('../../src/lua.js'); -const lauxlib = require('../../src/lauxlib.js'); -const lualib = require('../../src/lualib.js'); -const {to_luastring} = require("../../src/fengaricore.js"); - -const prefix = ` - local pack = string.pack - local packsize = string.packsize - local unpack = string.unpack - - function checkerror (msg, f, ...) - local status, err = pcall(f, ...) - -- print(status, err, msg) - assert(not status and string.find(err, msg)) - end - - local NB = 16 - - local sizeshort = packsize("h") - local sizeint = packsize("i") - local sizelong = packsize("l") - local sizesize_t = packsize("T") - local sizeLI = packsize("j") - local sizefloat = packsize("f") - local sizedouble = packsize("d") - local sizenumber = packsize("n") - local little = (pack("i2", 1) == "\\1\\0") - local align = packsize("!xXi16") -`; - -test("[test-suite] tpack: maximum size for integers", function (t) { - let luaCode = ` - assert(1 <= sizeshort and sizeshort <= sizeint and sizeint <= sizelong and - sizefloat <= sizedouble) - - print("platform:") - print(string.format( - "\\tshort %d, int %d, long %d, size_t %d, float %d, double %d,\\n\\z - \\tlua Integer %d, lua Number %d", - sizeshort, sizeint, sizelong, sizesize_t, sizefloat, sizedouble, - sizeLI, sizenumber)) - print("\\t" .. (little and "little" or "big") .. " endian") - print("\\talignment: " .. align) - `, L; - - t.plan(2); - - t.doesNotThrow(function () { - - L = lauxlib.luaL_newstate(); - - lualib.luaL_openlibs(L); - - lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)); - - }, "Lua program loaded without error"); - - t.doesNotThrow(function () { - - lua.lua_call(L, 0, -1); - - }, "Lua program ran without error"); - -}); - - -test("[test-suite] tpack: minimum behavior for integer formats", function (t) { - let luaCode = ` - assert(unpack("B", pack("B", 0xff)) == 0xff) - assert(unpack("b", pack("b", 0x7f)) == 0x7f) - assert(unpack("b", pack("b", -0x80)) == -0x80) - - assert(unpack("H", pack("H", 0xffff)) == 0xffff) - assert(unpack("h", pack("h", 0x7fff)) == 0x7fff) - assert(unpack("h", pack("h", -0x8000)) == -0x8000) - - assert(unpack("L", pack("L", 0xffffffff)) == 0xffffffff) - assert(unpack("l", pack("l", 0x7fffffff)) == 0x7fffffff) - assert(unpack("l", pack("l", -0x80000000)) == -0x80000000) - `, L; - - t.plan(2); - - t.doesNotThrow(function () { - - L = lauxlib.luaL_newstate(); - - lualib.luaL_openlibs(L); - - lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)); - - }, "Lua program loaded without error"); - - t.doesNotThrow(function () { - - lua.lua_call(L, 0, -1); - - }, "Lua program ran without error"); - -}); - - -test("[test-suite] tpack: minimum behavior for integer formats", function (t) { - let luaCode = ` - for i = 1, NB do - -- small numbers with signal extension ("\\xFF...") - local s = string.rep("\\xff", i) - assert(pack("i" .. i, -1) == s) - assert(packsize("i" .. i) == #s) - assert(unpack("i" .. i, s) == -1) - - -- small unsigned number ("\\0...\\xAA") - s = "\\xAA" .. string.rep("\\0", i - 1) - assert(pack("<I" .. i, 0xAA) == s) - assert(unpack("<I" .. i, s) == 0xAA) - assert(pack(">I" .. i, 0xAA) == s:reverse()) - assert(unpack(">I" .. i, s:reverse()) == 0xAA) - end - `, L; - - t.plan(2); - - t.doesNotThrow(function () { - - L = lauxlib.luaL_newstate(); - - lualib.luaL_openlibs(L); - - lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)); - - }, "Lua program loaded without error"); - - t.doesNotThrow(function () { - - lua.lua_call(L, 0, -1); - - }, "Lua program ran without error"); - -}); - - -test("[test-suite] tpack: minimum behavior for integer formats", function (t) { - let luaCode = ` - do - local lnum = 0x13121110090807060504030201 - local s = pack("<j", lnum) - assert(unpack("<j", s) == lnum) - assert(unpack("<i" .. sizeLI + 1, s .. "\\0") == lnum) - assert(unpack("<i" .. sizeLI + 1, s .. "\\0") == lnum) - - for i = sizeLI + 1, NB do - local s = pack("<j", -lnum) - assert(unpack("<j", s) == -lnum) - -- strings with (correct) extra bytes - assert(unpack("<i" .. i, s .. ("\\xFF"):rep(i - sizeLI)) == -lnum) - assert(unpack(">i" .. i, ("\\xFF"):rep(i - sizeLI) .. s:reverse()) == -lnum) - assert(unpack("<I" .. i, s .. ("\\0"):rep(i - sizeLI)) == -lnum) - - -- overflows - checkerror("does not fit", unpack, "<I" .. i, ("\\x00"):rep(i - 1) .. "\\1") - checkerror("does not fit", unpack, ">i" .. i, "\\1" .. ("\\x00"):rep(i - 1)) - end - end - `, L; - - t.plan(2); - - t.doesNotThrow(function () { - - L = lauxlib.luaL_newstate(); - - lualib.luaL_openlibs(L); - - lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)); - - }, "Lua program loaded without error"); - - t.doesNotThrow(function () { - - lua.lua_call(L, 0, -1); - - }, "Lua program ran without error"); - -}); - - -test("[test-suite] tpack: minimum behavior for integer formats", function (t) { - let luaCode = ` - for i = 1, sizeLI do - local lstr = "\\1\\2\\3\\4\\5\\6\\7\\8\\9\\10\\11\\12\\13" - local lnum = 0x13121110090807060504030201 - local n = lnum & (~(-1 << (i * 8))) - local s = string.sub(lstr, 1, i) - assert(pack("<i" .. i, n) == s) - assert(pack(">i" .. i, n) == s:reverse()) - assert(unpack(">i" .. i, s:reverse()) == n) - end - `, L; - - t.plan(2); - - t.doesNotThrow(function () { - - L = lauxlib.luaL_newstate(); - - lualib.luaL_openlibs(L); - - lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)); - - }, "Lua program loaded without error"); - - t.doesNotThrow(function () { - - lua.lua_call(L, 0, -1); - - }, "Lua program ran without error"); - -}); - - -test("[test-suite] tpack: sign extension", function (t) { - let luaCode = ` - do - local u = 0xf0 - for i = 1, sizeLI - 1 do - assert(unpack("<i"..i, "\\xf0"..("\\xff"):rep(i - 1)) == -16) - assert(unpack(">I"..i, "\\xf0"..("\\xff"):rep(i - 1)) == u) - u = u * 256 + 0xff - end - end - `, L; - - t.plan(2); - - t.doesNotThrow(function () { - - L = lauxlib.luaL_newstate(); - - lualib.luaL_openlibs(L); - - lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)); - - }, "Lua program loaded without error"); - - t.doesNotThrow(function () { - - lua.lua_call(L, 0, -1); - - }, "Lua program ran without error"); - -}); - - -test("[test-suite] tpack: mixed endianness", function (t) { - let luaCode = ` - do - assert(pack(">i2 <i2", 10, 20) == "\\0\\10\\20\\0") - local a, b = unpack("<i2 >i2", "\\10\\0\\0\\20") - assert(a == 10 and b == 20) - assert(pack("=i4", 2001) == pack("i4", 2001)) - end - `, L; - - t.plan(2); - - t.doesNotThrow(function () { - - L = lauxlib.luaL_newstate(); - - lualib.luaL_openlibs(L); - - lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)); - - }, "Lua program loaded without error"); - - t.doesNotThrow(function () { - - lua.lua_call(L, 0, -1); - - }, "Lua program ran without error"); - -}); - - -test("[test-suite] tpack: testing invalid formats", function (t) { - let luaCode = ` - checkerror("out of limits", pack, "i0", 0) - checkerror("out of limits", pack, "i" .. NB + 1, 0) - checkerror("out of limits", pack, "!" .. NB + 1, 0) - checkerror("%(17%) out of limits %[1,16%]", pack, "Xi" .. NB + 1) - checkerror("invalid format option 'r'", pack, "i3r", 0) - checkerror("16%-byte integer", unpack, "i16", string.rep('\\3', 16)) - checkerror("not power of 2", pack, "!4i3", 0); - checkerror("missing size", pack, "c", "") - checkerror("variable%-length format", packsize, "s") - checkerror("variable%-length format", packsize, "z") - `, L; - - t.plan(2); - - t.doesNotThrow(function () { - - L = lauxlib.luaL_newstate(); - - lualib.luaL_openlibs(L); - - lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)); - - }, "Lua program loaded without error"); - - t.doesNotThrow(function () { - - lua.lua_call(L, 0, -1); - - }, "Lua program ran without error"); - -}); - - -test("[test-suite] tpack: overflow in option size (error will be in digit after limit)", function (t) { - let luaCode = ` - checkerror("invalid format", packsize, "c1" .. string.rep("0", 40)) - - if packsize("i") == 4 then - -- result would be 2^31 (2^3 repetitions of 2^28 strings) - local s = string.rep("c268435456", 2^3) - checkerror("too large", packsize, s) - -- one less is OK - s = string.rep("c268435456", 2^3 - 1) .. "c268435455" - assert(packsize(s) == 0x7fffffff) - end - `, L; - - t.plan(2); - - t.doesNotThrow(function () { - - L = lauxlib.luaL_newstate(); - - lualib.luaL_openlibs(L); - - lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)); - - }, "Lua program loaded without error"); - - t.doesNotThrow(function () { - - lua.lua_call(L, 0, -1); - - }, "Lua program ran without error"); - -}); - - -test("[test-suite] tpack: overflow in packing", function (t) { - let luaCode = ` - for i = 1, sizeLI - 1 do - local umax = (1 << (i * 8)) - 1 - local max = umax >> 1 - local min = ~max - checkerror("overflow", pack, "<I" .. i, -1) - checkerror("overflow", pack, "<I" .. i, min) - checkerror("overflow", pack, ">I" .. i, umax + 1) - - checkerror("overflow", pack, ">i" .. i, umax) - checkerror("overflow", pack, ">i" .. i, max + 1) - checkerror("overflow", pack, "<i" .. i, min - 1) - - assert(unpack(">i" .. i, pack(">i" .. i, max)) == max) - assert(unpack("<i" .. i, pack("<i" .. i, min)) == min) - assert(unpack(">I" .. i, pack(">I" .. i, umax)) == umax) - end - `, L; - - t.plan(2); - - t.doesNotThrow(function () { - - L = lauxlib.luaL_newstate(); - - lualib.luaL_openlibs(L); - - lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)); - - }, "Lua program loaded without error"); - - t.doesNotThrow(function () { - - lua.lua_call(L, 0, -1); - - }, "Lua program ran without error"); - -}); - - -test("[test-suite] tpack: Lua integer size", function (t) { - let luaCode = ` - assert(unpack(">j", pack(">j", math.maxinteger)) == math.maxinteger) - assert(unpack("<j", pack("<j", math.mininteger)) == math.mininteger) - assert(unpack("<J", pack("<j", -1)) == -1) -- maximum unsigned integer - - if little then - assert(pack("f", 24) == pack("<f", 24)) - else - assert(pack("f", 24) == pack(">f", 24)) - end - `, L; - - t.plan(2); - - t.doesNotThrow(function () { - - L = lauxlib.luaL_newstate(); - - lualib.luaL_openlibs(L); - - lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)); - - }, "Lua program loaded without error"); - - t.doesNotThrow(function () { - - lua.lua_call(L, 0, -1); - - }, "Lua program ran without error"); - -}); - - -test("[test-suite] tpack: testing pack/unpack of floating-point numbers", function (t) { - let luaCode = ` - for _, n in ipairs{0, -1.1, 1.9, 1/0, -1/0, 1e20, -1e20, 0.1, 2000.7} do - assert(unpack("n", pack("n", n)) == n) - assert(unpack("<n", pack("<n", n)) == n) - assert(unpack(">n", pack(">n", n)) == n) - assert(pack("<f", n) == pack(">f", n):reverse()) - assert(pack(">d", n) == pack("<d", n):reverse()) - end - - -- for non-native precisions, test only with "round" numbers - for _, n in ipairs{0, -1.5, 1/0, -1/0, 1e10, -1e9, 0.5, 2000.25} do - assert(unpack("<f", pack("<f", n)) == n) - assert(unpack(">f", pack(">f", n)) == n) - assert(unpack("<d", pack("<d", n)) == n) - assert(unpack(">d", pack(">d", n)) == n) - end - `, L; - - t.plan(2); - - t.doesNotThrow(function () { - - L = lauxlib.luaL_newstate(); - - lualib.luaL_openlibs(L); - - lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)); - - }, "Lua program loaded without error"); - - t.doesNotThrow(function () { - - lua.lua_call(L, 0, -1); - - }, "Lua program ran without error"); - -}); - - -test("[test-suite] tpack: testing pack/unpack of strings", function (t) { - let luaCode = ` - do - local s = string.rep("abc", 1000) - assert(pack("zB", s, 247) == s .. "\\0\\xF7") - local s1, b = unpack("zB", s .. "\\0\\xF9") - assert(b == 249 and s1 == s) - s1 = pack("s", s) - assert(unpack("s", s1) == s) - - checkerror("does not fit", pack, "s1", s) - - checkerror("contains zeros", pack, "z", "alo\\0"); - - for i = 2, NB do - local s1 = pack("s" .. i, s) - assert(unpack("s" .. i, s1) == s and #s1 == #s + i) - end - end - - do - local x = pack("s", "alo") - checkerror("too short", unpack, "s", x:sub(1, -2)) - checkerror("too short", unpack, "c5", "abcd") - checkerror("out of limits", pack, "s100", "alo") - end - - do - assert(pack("c0", "") == "") - assert(packsize("c0") == 0) - assert(unpack("c0", "") == "") - assert(pack("<! c3", "abc") == "abc") - assert(packsize("<! c3") == 3) - assert(pack(">!4 c6", "abcdef") == "abcdef") - assert(pack("c3", "123") == "123") - assert(pack("c0", "") == "") - assert(pack("c8", "123456") == "123456\\0\\0") - assert(pack("c88", "") == string.rep("\\0", 88)) - assert(pack("c188", "ab") == "ab" .. string.rep("\\0", 188 - 2)) - local a, b, c = unpack("!4 z c3", "abcdefghi\\0xyz") - assert(a == "abcdefghi" and b == "xyz" and c == 14) - checkerror("longer than", pack, "c3", "1234") - end - `, L; - - t.plan(2); - - t.doesNotThrow(function () { - - L = lauxlib.luaL_newstate(); - - lualib.luaL_openlibs(L); - - lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)); - - }, "Lua program loaded without error"); - - t.doesNotThrow(function () { - - lua.lua_call(L, 0, -1); - - }, "Lua program ran without error"); - -}); - - -test("[test-suite] tpack: testing multiple types and sequence", function (t) { - let luaCode = ` - do - local x = pack("<b h b f d f n i", 1, 2, 3, 4, 5, 6, 7, 8) - assert(#x == packsize("<b h b f d f n i")) - local a, b, c, d, e, f, g, h = unpack("<b h b f d f n i", x) - assert(a == 1 and b == 2 and c == 3 and d == 4 and e == 5 and f == 6 and - g == 7 and h == 8) - end - `, L; - - t.plan(2); - - t.doesNotThrow(function () { - - L = lauxlib.luaL_newstate(); - - lualib.luaL_openlibs(L); - - lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)); - - }, "Lua program loaded without error"); - - t.doesNotThrow(function () { - - lua.lua_call(L, 0, -1); - - }, "Lua program ran without error"); - -}); - - -test("[test-suite] tpack: testing alignment", function (t) { - let luaCode = ` - do - assert(pack(" < i1 i2 ", 2, 3) == "\\2\\3\\0") -- no alignment by default - local x = pack(">!8 b Xh i4 i8 c1 Xi8", -12, 100, 200, "\\xEC") - assert(#x == packsize(">!8 b Xh i4 i8 c1 Xi8")) - assert(x == "\\xf4" .. "\\0\\0\\0" .. - "\\0\\0\\0\\100" .. - "\\0\\0\\0\\0\\0\\0\\0\\xC8" .. - "\\xEC" .. "\\0\\0\\0\\0\\0\\0\\0") - local a, b, c, d, pos = unpack(">!8 c1 Xh i4 i8 b Xi8 XI XH", x) - assert(a == "\\xF4" and b == 100 and c == 200 and d == -20 and (pos - 1) == #x) - - x = pack(">!4 c3 c4 c2 z i4 c5 c2 Xi4", - "abc", "abcd", "xz", "hello", 5, "world", "xy") - assert(x == "abcabcdxzhello\\0\\0\\0\\0\\0\\5worldxy\\0") - local a, b, c, d, e, f, g, pos = unpack(">!4 c3 c4 c2 z i4 c5 c2 Xh Xi4", x) - assert(a == "abc" and b == "abcd" and c == "xz" and d == "hello" and - e == 5 and f == "world" and g == "xy" and (pos - 1) % 4 == 0) - - x = pack(" b b Xd b Xb x", 1, 2, 3) - assert(packsize(" b b Xd b Xb x") == 4) - assert(x == "\\1\\2\\3\\0") - a, b, c, pos = unpack("bbXdb", x) - assert(a == 1 and b == 2 and c == 3 and pos == #x) - - -- only alignment - assert(packsize("!8 xXi8") == 8) - local pos = unpack("!8 xXi8", "0123456701234567"); assert(pos == 9) - assert(packsize("!8 xXi2") == 2) - local pos = unpack("!8 xXi2", "0123456701234567"); assert(pos == 3) - assert(packsize("!2 xXi2") == 2) - local pos = unpack("!2 xXi2", "0123456701234567"); assert(pos == 3) - assert(packsize("!2 xXi8") == 2) - local pos = unpack("!2 xXi8", "0123456701234567"); assert(pos == 3) - assert(packsize("!16 xXi16") == 16) - local pos = unpack("!16 xXi16", "0123456701234567"); assert(pos == 17) - - checkerror("invalid next option", pack, "X") - checkerror("invalid next option", unpack, "XXi", "") - checkerror("invalid next option", unpack, "X i", "") - checkerror("invalid next option", pack, "Xc1") - end - `, L; - - t.plan(2); - - t.doesNotThrow(function () { - - L = lauxlib.luaL_newstate(); - - lualib.luaL_openlibs(L); - - lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)); - - }, "Lua program loaded without error"); - - t.doesNotThrow(function () { - - lua.lua_call(L, 0, -1); - - }, "Lua program ran without error"); - -}); - - -test("[test-suite] tpack: testing initial position", function (t) { - let luaCode = ` - do - local x = pack("i4i4i4i4", 1, 2, 3, 4) - for pos = 1, 16, 4 do - local i, p = unpack("i4", x, pos) - assert(i == pos//4 + 1 and p == pos + 4) - end - - -- with alignment - for pos = 0, 12 do -- will always round position to power of 2 - local i, p = unpack("!4 i4", x, pos + 1) - assert(i == (pos + 3)//4 + 1 and p == i*4 + 1) - end - - -- negative indices - local i, p = unpack("!4 i4", x, -4) - assert(i == 4 and p == 17) - local i, p = unpack("!4 i4", x, -7) - assert(i == 4 and p == 17) - local i, p = unpack("!4 i4", x, -#x) - assert(i == 1 and p == 5) - - -- limits - for i = 1, #x + 1 do - assert(unpack("c0", x, i) == "") - end - checkerror("out of string", unpack, "c0", x, 0) - checkerror("out of string", unpack, "c0", x, #x + 2) - checkerror("out of string", unpack, "c0", x, -(#x + 1)) - - end - `, L; - - t.plan(2); - - t.doesNotThrow(function () { - - L = lauxlib.luaL_newstate(); - - lualib.luaL_openlibs(L); - - lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)); - - }, "Lua program loaded without error"); - - t.doesNotThrow(function () { - - lua.lua_call(L, 0, -1); - - }, "Lua program ran without error"); - -}); |