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authorBenoit Giannangeli <giann008@gmail.com>2017-05-19 13:37:35 +0200
committerBenoit Giannangeli <giann008@gmail.com>2017-05-19 13:37:35 +0200
commitb894a194ac468e9da1613d4161094ea4dc902e34 (patch)
tree8d38e569a53691386d42a2e5a9ecdc39d82ff4e0 /tests/test-suite
parentc36cad070312a237f130f25f10af423b60d3d1b4 (diff)
downloadfengari-b894a194ac468e9da1613d4161094ea4dc902e34.tar.gz
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[test-suite] nextvar.js
Diffstat (limited to 'tests/test-suite')
-rw-r--r--tests/test-suite/bitwise.js4
-rw-r--r--tests/test-suite/nextvar.js1183
2 files changed, 1185 insertions, 2 deletions
diff --git a/tests/test-suite/bitwise.js b/tests/test-suite/bitwise.js
index 0b6d533..3969bb0 100644
--- a/tests/test-suite/bitwise.js
+++ b/tests/test-suite/bitwise.js
@@ -191,11 +191,11 @@ test("[test-suite] bitwise: testing bitwise operations", function (t) {
}, "Lua program loaded without error");
- // t.doesNotThrow(function () {
+ t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
- // }, "Lua program ran without error");
+ }, "Lua program ran without error");
});
diff --git a/tests/test-suite/nextvar.js b/tests/test-suite/nextvar.js
new file mode 100644
index 0000000..6cf7c74
--- /dev/null
+++ b/tests/test-suite/nextvar.js
@@ -0,0 +1,1183 @@
+"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 function checkerror (msg, f, ...)
+ local s, err = pcall(f, ...)
+ assert(not s and string.find(err, msg))
+ end
+`;
+
+test("[test-suite] nextvar: testing size operator", function (t) {
+ let luaCode = `
+ local a = {}
+
+ -- make sure table has lots of space in hash part
+ for i=1,100 do a[i.."+"] = true end
+ for i=1,100 do a[i.."+"] = nil end
+ -- fill hash part with numeric indices testing size operator
+ for i=1,100 do
+ a[i] = true
+ assert(#a == i)
+ 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] nextvar: testing ipairs", function (t) {
+ let luaCode = `
+ local x = 0
+ for k,v in ipairs{10,20,30;x=12} do
+ x = x + 1
+ assert(k == x and v == x * 10)
+ end
+
+ for _ in ipairs{x=12, y=24} do assert(nil) 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] nextvar: test for 'false' x ipair", function (t) {
+ let luaCode = `
+ x = false
+ local i = 0
+ for k,v in ipairs{true,false,true,false} do
+ i = i + 1
+ x = not x
+ assert(x == v)
+ end
+ assert(i == 4)
+ `, 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] nextvar: iterator function is always the same", function (t) {
+ let luaCode = `
+ assert(type(ipairs{}) == 'function' and ipairs{} == ipairs{})
+ `, 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] nextvar: JS tests", { skip: true }, function (t) {
+ let luaCode = `
+ -- testing table sizes
+
+ local function log2 (x) return math.log(x, 2) end
+
+ local function mp2 (n) -- minimum power of 2 >= n
+ local mp = 2^math.ceil(log2(n))
+ assert(n == 0 or (mp/2 < n and n <= mp))
+ return mp
+ end
+
+ local function fb (n)
+ local r, nn = T.int2fb(n)
+ assert(r < 256)
+ return nn
+ end
+
+ -- test fb function
+ for a = 1, 10000 do -- all numbers up to 10^4
+ local n = fb(a)
+ assert(a <= n and n <= a*1.125)
+ end
+ local a = 1024 -- plus a few up to 2 ^30
+ local lim = 2^30
+ while a < lim do
+ local n = fb(a)
+ assert(a <= n and n <= a*1.125)
+ a = math.ceil(a*1.3)
+ end
+
+
+ local function check (t, na, nh)
+ local a, h = T.querytab(t)
+ if a ~= na or h ~= nh then
+ print(na, nh, a, h)
+ assert(nil)
+ end
+ end
+
+
+ -- testing C library sizes
+ do
+ local s = 0
+ for _ in pairs(math) do s = s + 1 end
+ check(math, 0, mp2(s))
+ end
+
+
+ -- testing constructor sizes
+ local lim = 40
+ local s = 'return {'
+ for i=1,lim do
+ s = s..i..','
+ local s = s
+ for k=0,lim do
+ local t = load(s..'}', '')()
+ assert(#t == i)
+ check(t, fb(i), mp2(k))
+ s = string.format('%sa%d=%d,', s, k, k)
+ end
+ end
+
+
+ -- tests with unknown number of elements
+ local a = {}
+ for i=1,lim do a[i] = i end -- build auxiliary table
+ for k=0,lim do
+ local a = {table.unpack(a,1,k)}
+ assert(#a == k)
+ check(a, k, 0)
+ a = {1,2,3,table.unpack(a,1,k)}
+ check(a, k+3, 0)
+ assert(#a == k + 3)
+ end
+
+
+ -- testing tables dynamically built
+ local lim = 130
+ local a = {}; a[2] = 1; check(a, 0, 1)
+ a = {}; a[0] = 1; check(a, 0, 1); a[2] = 1; check(a, 0, 2)
+ a = {}; a[0] = 1; a[1] = 1; check(a, 1, 1)
+ a = {}
+ for i = 1,lim do
+ a[i] = 1
+ assert(#a == i)
+ check(a, mp2(i), 0)
+ end
+
+ a = {}
+ for i = 1,lim do
+ a['a'..i] = 1
+ assert(#a == 0)
+ check(a, 0, mp2(i))
+ end
+
+ a = {}
+ for i=1,16 do a[i] = i end
+ check(a, 16, 0)
+ do
+ for i=1,11 do a[i] = nil end
+ for i=30,50 do a[i] = nil end -- force a rehash (?)
+ check(a, 0, 8) -- only 5 elements in the table
+ a[10] = 1
+ for i=30,50 do a[i] = nil end -- force a rehash (?)
+ check(a, 0, 8) -- only 6 elements in the table
+ for i=1,14 do a[i] = nil end
+ for i=18,50 do a[i] = nil end -- force a rehash (?)
+ check(a, 0, 4) -- only 2 elements ([15] and [16])
+ end
+
+ -- reverse filling
+ for i=1,lim do
+ local a = {}
+ for i=i,1,-1 do a[i] = i end -- fill in reverse
+ check(a, mp2(i), 0)
+ end
+
+ -- size tests for vararg
+ lim = 35
+ function foo (n, ...)
+ local arg = {...}
+ check(arg, n, 0)
+ assert(select('#', ...) == n)
+ arg[n+1] = true
+ check(arg, mp2(n+1), 0)
+ arg.x = true
+ check(arg, mp2(n+1), 1)
+ end
+ local a = {}
+ for i=1,lim do a[i] = true; foo(i, table.unpack(a)) 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] nextvar: test size operation on empty tables", function (t) {
+ let luaCode = `
+ assert(#{} == 0)
+ assert(#{nil} == 0)
+ assert(#{nil, nil} == 0)
+ assert(#{nil, nil, nil} == 0)
+ assert(#{nil, nil, nil, nil} == 0)
+ `, 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] nextvar: test size operation on empty tables", function (t) {
+ let luaCode = `
+ assert(#{} == 0)
+ assert(#{nil} == 0)
+ assert(#{nil, nil} == 0)
+ assert(#{nil, nil, nil} == 0)
+ assert(#{nil, nil, nil, nil} == 0)
+ `, 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] nextvar: next uses always the same iteration function", function (t) {
+ let luaCode = `
+ local nofind = {}
+
+ a,b,c = 1,2,3
+ a,b,c = nil
+
+
+ -- next uses always the same iteraction function
+ assert(next{} == next{})
+
+ local function find (name)
+ local n,v
+ while 1 do
+ n,v = next(_G, n)
+ if not n then return nofind end
+ assert(v ~= nil)
+ if n == name then return v end
+ end
+ end
+
+ local function find1 (name)
+ for n,v in pairs(_G) do
+ if n==name then return v end
+ end
+ return nil -- not found
+ end
+
+
+ assert(print==find("print") and print == find1("print"))
+ assert(_G["print"]==find("print"))
+ assert(assert==find1("assert"))
+ assert(nofind==find("return"))
+ assert(not find1("return"))
+ _G["ret" .. "urn"] = nil
+ assert(nofind==find("return"))
+ _G["xxx"] = 1
+ assert(xxx==find("xxx"))
+ `, 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] nextvar: invalid key to 'next'", function (t) {
+ let luaCode = `
+ checkerror("invalid key", next, {10,20}, 3)
+ `, 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] nextvar: both 'pairs' and 'ipairs' need an argument", function (t) {
+ let luaCode = `
+ checkerror("bad argument", pairs)
+ checkerror("bad argument", ipairs)
+ `, 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] nextvar: fmod table", function (t) {
+ let luaCode = `
+ a = {}
+ for i=0,10000 do
+ if math.fmod(i,10) ~= 0 then
+ a['x'..i] = i
+ end
+ end
+
+ n = {n=0}
+ for i,v in pairs(a) do
+ n.n = n.n+1
+ assert(i and v and a[i] == v)
+ end
+ assert(n.n == 9000)
+ a = nil
+ `, 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] nextvar: check next", function (t) {
+ let luaCode = `
+ local function checknext (a)
+ local b = {}
+ do local k,v = next(a); while k do b[k] = v; k,v = next(a,k) end end
+ for k,v in pairs(b) do assert(a[k] == v) end
+ for k,v in pairs(a) do assert(b[k] == v) end
+ end
+
+ checknext{1,x=1,y=2,z=3}
+ checknext{1,2,x=1,y=2,z=3}
+ checknext{1,2,3,x=1,y=2,z=3}
+ checknext{1,2,3,4,x=1,y=2,z=3}
+ checknext{1,2,3,4,5,x=1,y=2,z=3}
+ `, 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] nextvar: # operator", function (t) {
+ let luaCode = `
+ assert(#{} == 0)
+ assert(#{[-1] = 2} == 0)
+ assert(#{1,2,3,nil,nil} == 3)
+ for i=0,40 do
+ local a = {}
+ for j=1,i do a[j]=j end
+ assert(#a == i)
+ 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] nextvar: maxn", function (t) {
+ let luaCode = `
+ -- 'maxn' is now deprecated, but it is easily defined in Lua
+ function table.maxn (t)
+ local max = 0
+ for k in pairs(t) do
+ max = (type(k) == 'number') and math.max(max, k) or max
+ end
+ return max
+ end
+
+ assert(table.maxn{} == 0)
+ assert(table.maxn{["1000"] = true} == 0)
+ assert(table.maxn{["1000"] = true, [24.5] = 3} == 24.5)
+ assert(table.maxn{[1000] = true} == 1000)
+ assert(table.maxn{[10] = true, [100*math.pi] = print} == 100*math.pi)
+
+ table.maxn = nil
+ `, 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] nextvar: int overflow", function (t) {
+ let luaCode = `
+ a = {}
+ for i=0,50 do a[2^i] = true end
+ assert(a[#a])
+ `, 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] nextvar: erasing values", function (t) {
+ let luaCode = `
+ local t = {[{1}] = 1, [{2}] = 2, [string.rep("x ", 4)] = 3,
+ [100.3] = 4, [4] = 5}
+
+ local n = 0
+ for k, v in pairs( t ) do
+ n = n+1
+ assert(t[k] == v)
+ t[k] = nil
+ collectgarbage()
+ assert(t[k] == nil)
+ end
+ assert(n == 5)
+
+
+ local function test (a)
+ assert(not pcall(table.insert, a, 2, 20));
+ table.insert(a, 10); table.insert(a, 2, 20);
+ table.insert(a, 1, -1); table.insert(a, 40);
+ table.insert(a, #a+1, 50)
+ table.insert(a, 2, -2)
+ assert(not pcall(table.insert, a, 0, 20));
+ assert(not pcall(table.insert, a, #a + 2, 20));
+ assert(table.remove(a,1) == -1)
+ assert(table.remove(a,1) == -2)
+ assert(table.remove(a,1) == 10)
+ assert(table.remove(a,1) == 20)
+ assert(table.remove(a,1) == 40)
+ assert(table.remove(a,1) == 50)
+ assert(table.remove(a,1) == nil)
+ assert(table.remove(a) == nil)
+ assert(table.remove(a, #a) == nil)
+ end
+
+ a = {n=0, [-7] = "ban"}
+ test(a)
+ assert(a.n == 0 and a[-7] == "ban")
+
+ a = {[-7] = "ban"};
+ test(a)
+ assert(a.n == nil and #a == 0 and a[-7] == "ban")
+
+ a = {[-1] = "ban"}
+ test(a)
+ assert(#a == 0 and table.remove(a) == nil and a[-1] == "ban")
+
+ a = {[0] = "ban"}
+ assert(#a == 0 and table.remove(a) == "ban" and a[0] == nil)
+
+ table.insert(a, 1, 10); table.insert(a, 1, 20); table.insert(a, 1, -1)
+ assert(table.remove(a) == 10)
+ assert(table.remove(a) == 20)
+ assert(table.remove(a) == -1)
+ assert(table.remove(a) == nil)
+
+ a = {'c', 'd'}
+ table.insert(a, 3, 'a')
+ table.insert(a, 'b')
+ assert(table.remove(a, 1) == 'c')
+ assert(table.remove(a, 1) == 'd')
+ assert(table.remove(a, 1) == 'a')
+ assert(table.remove(a, 1) == 'b')
+ assert(table.remove(a, 1) == nil)
+ assert(#a == 0 and a.n == nil)
+
+ a = {10,20,30,40}
+ assert(table.remove(a, #a + 1) == nil)
+ assert(not pcall(table.remove, a, 0))
+ assert(a[#a] == 40)
+ assert(table.remove(a, #a) == 40)
+ assert(a[#a] == 30)
+ assert(table.remove(a, 2) == 20)
+ assert(a[#a] == 30 and #a == 2)
+ `, 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] nextvar: testing table library with metamethods", function (t) {
+ let luaCode = `
+ do
+ local function test (proxy, t)
+ for i = 1, 10 do
+ table.insert(proxy, 1, i)
+ end
+ assert(#proxy == 10 and #t == 10)
+ for i = 1, 10 do
+ assert(t[i] == 11 - i)
+ end
+ table.sort(proxy)
+ for i = 1, 10 do
+ assert(t[i] == i and proxy[i] == i)
+ end
+ assert(table.concat(proxy, ",") == "1,2,3,4,5,6,7,8,9,10")
+ for i = 1, 8 do
+ assert(table.remove(proxy, 1) == i)
+ end
+ assert(#proxy == 2 and #t == 2)
+ local a, b, c = table.unpack(proxy)
+ assert(a == 9 and b == 10 and c == nil)
+ end
+
+ -- all virtual
+ local t = {}
+ local proxy = setmetatable({}, {
+ __len = function () return #t end,
+ __index = t,
+ __newindex = t,
+ })
+ test(proxy, t)
+
+ -- only __newindex
+ local count = 0
+ t = setmetatable({}, {
+ __newindex = function (t,k,v) count = count + 1; rawset(t,k,v) end})
+ test(t, t)
+ assert(count == 10) -- after first 10, all other sets are not new
+
+ -- no __newindex
+ t = setmetatable({}, {
+ __index = function (_,k) return k + 1 end,
+ __len = function (_) return 5 end})
+ assert(table.concat(t, ";") == "2;3;4;5;6")
+
+ 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] nextvar: JS tests", { skip: true }, function (t) {
+ let luaCode = `
+ local tab = {10, 20, 30}
+ local mt = {}
+ local u = T.newuserdata(0)
+ checkerror("table expected", table.insert, u, 40)
+ checkerror("table expected", table.remove, u)
+ debug.setmetatable(u, mt)
+ checkerror("table expected", table.insert, u, 40)
+ checkerror("table expected", table.remove, u)
+ mt.__index = tab
+ checkerror("table expected", table.insert, u, 40)
+ checkerror("table expected", table.remove, u)
+ mt.__newindex = tab
+ checkerror("table expected", table.insert, u, 40)
+ checkerror("table expected", table.remove, u)
+ mt.__len = function () return #tab end
+ table.insert(u, 40)
+ assert(#u == 4 and #tab == 4 and u[4] == 40 and tab[4] == 40)
+ assert(table.remove(u) == 40)
+ table.insert(u, 1, 50)
+ assert(#u == 4 and #tab == 4 and u[4] == 30 and tab[1] == 50)
+
+ mt.__newindex = nil
+ mt.__len = nil
+ local tab2 = {}
+ local u2 = T.newuserdata(0)
+ debug.setmetatable(u2, {__newindex = function (_, k, v) tab2[k] = v end})
+ table.move(u, 1, 4, 1, u2)
+ assert(#tab2 == 4 and tab2[1] == tab[1] and tab2[4] == tab[4])
+ `, 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] nextvar: next", function (t) {
+ let luaCode = `
+ a = {}
+ for i=1,1000 do
+ a[i] = i; a[i-1] = nil
+ end
+ assert(next(a,nil) == 1000 and next(a,1000) == nil)
+
+ assert(next({}) == nil)
+ assert(next({}, nil) == nil)
+
+ for a,b in pairs{} do error"not here" end
+ for i=1,0 do error'not here' end
+ for i=0,1,-1 do error'not here' end
+ a = nil; for i=1,1 do assert(not a); a=1 end; assert(a)
+ a = nil; for i=1,1,-1 do assert(not a); a=1 end; assert(a)
+ `, 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");
+
+});
+
+
+// TODO: infinite loop ?
+test("[test-suite] nextvar: testing floats in numeric for", { skip: true }, function (t) {
+ let luaCode = `
+ do
+ local a
+ -- integer count
+ a = 0; for i=1, 1, 1 do a=a+1 end; assert(a==1)
+ a = 0; for i=10000, 1e4, -1 do a=a+1 end; assert(a==1)
+ a = 0; for i=1, 0.99999, 1 do a=a+1 end; assert(a==0)
+ a = 0; for i=9999, 1e4, -1 do a=a+1 end; assert(a==0)
+ a = 0; for i=1, 0.99999, -1 do a=a+1 end; assert(a==1)
+
+ -- float count
+ a = 0; for i=0, 0.999999999, 0.1 do a=a+1 end; assert(a==10)
+ a = 0; for i=1.0, 1, 1 do a=a+1 end; assert(a==1)
+ a = 0; for i=-1.5, -1.5, 1 do a=a+1 end; assert(a==1)
+ a = 0; for i=1e6, 1e6, -1 do a=a+1 end; assert(a==1)
+ a = 0; for i=1.0, 0.99999, 1 do a=a+1 end; assert(a==0)
+ a = 0; for i=99999, 1e5, -1.0 do a=a+1 end; assert(a==0)
+ a = 0; for i=1.0, 0.99999, -1 do a=a+1 end; assert(a==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");
+
+});
+
+
+test("[test-suite] nextvar: conversion", function (t) {
+ let luaCode = `
+ a = 0; for i="10","1","-2" do a=a+1 end; assert(a==5)
+ `, 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] nextvar: checking types", function (t) {
+ let luaCode = `
+ do
+ local c
+ local function checkfloat (i)
+ assert(math.type(i) == "float")
+ c = c + 1
+ end
+
+ c = 0; for i = 1.0, 10 do checkfloat(i) end
+ assert(c == 10)
+
+ c = 0; for i = -1, -10, -1.0 do checkfloat(i) end
+ assert(c == 10)
+
+ local function checkint (i)
+ assert(math.type(i) == "integer")
+ c = c + 1
+ end
+
+ local m = math.maxinteger
+ c = 0; for i = m, m - 10, -1 do checkint(i) end
+ assert(c == 11)
+
+ c = 0; for i = 1, 10.9 do checkint(i) end
+ assert(c == 10)
+
+ c = 0; for i = 10, 0.001, -1 do checkint(i) end
+ assert(c == 10)
+
+ c = 0; for i = 1, "10.8" do checkint(i) end
+ assert(c == 10)
+
+ c = 0; for i = 9, "3.4", -1 do checkint(i) end
+ assert(c == 6)
+
+ c = 0; for i = 0, " -3.4 ", -1 do checkint(i) end
+ assert(c == 4)
+
+ c = 0; for i = 100, "96.3", -2 do checkint(i) end
+ assert(c == 2)
+
+ c = 0; for i = 1, math.huge do if i > 10 then break end; checkint(i) end
+ assert(c == 10)
+
+ c = 0; for i = -1, -math.huge, -1 do
+ if i < -10 then break end; checkint(i)
+ end
+ assert(c == 10)
+
+
+ for i = math.mininteger, -10e100 do assert(false) end
+ for i = math.maxinteger, 10e100, -1 do assert(false) 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] nextvar: testing generic 'for'", function (t) {
+ let luaCode = `
+ local function f (n, p)
+ local t = {}; for i=1,p do t[i] = i*10 end
+ return function (_,n)
+ if n > 0 then
+ n = n-1
+ return n, table.unpack(t)
+ end
+ end, nil, n
+ end
+
+ local x = 0
+ for n,a,b,c,d in f(5,3) do
+ x = x+1
+ assert(a == 10 and b == 20 and c == 30 and d == nil)
+ end
+ assert(x == 5)
+ `, 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] nextvar: testing __pairs and __ipairs metamethod", function (t) {
+ let luaCode = `
+ a = {}
+ do
+ local x,y,z = pairs(a)
+ assert(type(x) == 'function' and y == a and z == nil)
+ end
+
+ local function foo (e,i)
+ assert(e == a)
+ if i <= 10 then return i+1, i+2 end
+ end
+
+ local function foo1 (e,i)
+ i = i + 1
+ assert(e == a)
+ if i <= e.n then return i,a[i] end
+ end
+
+ setmetatable(a, {__pairs = function (x) return foo, x, 0 end})
+
+ local i = 0
+ for k,v in pairs(a) do
+ i = i + 1
+ assert(k == i and v == k+1)
+ end
+
+ a.n = 5
+ a[3] = 30
+ `, 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] nextvar: testing ipairs with metamethods", function (t) {
+ let luaCode = `
+ a = {n=10}
+ setmetatable(a, { __index = function (t,k)
+ if k <= t.n then return k * 10 end
+ end})
+ i = 0
+ for k,v in ipairs(a) do
+ i = i + 1
+ assert(k == i and v == i * 10)
+ end
+ assert(i == a.n)
+ `, 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");
+
+});