tpack.js now passes

1 files changed, 0 insertions, 692 deletions

diff --git a/tests/test-suite/inprogress/tpack.js b/tests/test-suite/inprogress/tpack.js
deleted file mode 100644
index f94ca40..0000000
--- a/tests/test-suite/inprogress/tpack.js
+++ /dev/null
@@ -1,692 +0,0 @@
-"use strict";
-
-const test     = require('tape');
-
-global.WEB = false;
-
-const lua     = require('../../../src/lua.js');
-const lauxlib = require('../../../src/lauxlib.js');
-const lualib  = require('../../../src/lualib.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, lua.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, lua.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, lua.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, lua.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, lua.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, lua.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, lua.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, lua.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, lua.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, lua.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, lua.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, lua.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, lua.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, lua.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, lua.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, lua.to_luastring(prefix + luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});