Start moving test suite from tape => jest

1 files changed, 753 insertions, 0 deletions

diff --git a/test/test-suite/events.js b/test/test-suite/events.js
new file mode 100644
index 0000000..143bdf5
--- /dev/null
+++ b/test/test-suite/events.js
@@ -0,0 +1,753 @@
+"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 ltests  = require('./ltests.js');
+
+test("[test-suite] events: testing metatable", function (t) {
+    let luaCode = `
+        X = 20; B = 30
+
+        _ENV = setmetatable({}, {__index=_G})
+
+        --collectgarbage()
+
+        X = X+10
+        assert(X == 30 and _G.X == 20)
+        B = false
+        assert(B == false)
+        B = nil
+        assert(B == 30)
+
+        assert(getmetatable{} == nil)
+        assert(getmetatable(4) == nil)
+        assert(getmetatable(nil) == nil)
+        a={name = "NAME"}; setmetatable(a, {__metatable = "xuxu",
+                            __tostring=function(x) return x.name end})
+        assert(getmetatable(a) == "xuxu")
+        assert(tostring(a) == "NAME")
+        -- cannot change a protected metatable
+        assert(pcall(setmetatable, a, {}) == false)
+        a.name = "gororoba"
+        assert(tostring(a) == "gororoba")
+
+        local a, t = {10,20,30; x="10", y="20"}, {}
+        assert(setmetatable(a,t) == a)
+        assert(getmetatable(a) == t)
+        assert(setmetatable(a,nil) == a)
+        assert(getmetatable(a) == nil)
+        assert(setmetatable(a,t) == a)
+
+
+        function f (t, i, e)
+          assert(not e)
+          local p = rawget(t, "parent")
+          return (p and p[i]+3), "dummy return"
+        end
+
+        t.__index = f
+
+        a.parent = {z=25, x=12, [4] = 24}
+        assert(a[1] == 10 and a.z == 28 and a[4] == 27 and a.x == "10")
+
+        --collectgarbage()
+
+        a = setmetatable({}, t)
+        function f(t, i, v) rawset(t, i, v-3) end
+        setmetatable(t, t)   -- causes a bug in 5.1 !
+        t.__newindex = f
+        a[1] = 30; a.x = "101"; a[5] = 200
+        assert(a[1] == 27 and a.x == 98 and a[5] == 197)
+
+        do    -- bug in Lua 5.3.2
+          local mt = {}
+          mt.__newindex = mt
+          local t = setmetatable({}, mt)
+          t[1] = 10     -- will segfault on some machines
+          assert(mt[1] == 10)
+        end
+
+        local c = {}
+        a = setmetatable({}, t)
+        t.__newindex = c
+        a[1] = 10; a[2] = 20; a[3] = 90
+        assert(c[1] == 10 and c[2] == 20 and c[3] == 90)
+
+        do
+          local a;
+          a = setmetatable({}, {__index = setmetatable({},
+                             {__index = setmetatable({},
+                             {__index = function (_,n) return a[n-3]+4, "lixo" end})})})
+          a[0] = 20
+          for i=0,10 do
+            assert(a[i*3] == 20 + i*4)
+          end
+        end
+
+        do  -- newindex
+          local foi
+          local a = {}
+          for i=1,10 do a[i] = 0; a['a'..i] = 0; end
+          setmetatable(a, {__newindex = function (t,k,v) foi=true; rawset(t,k,v) end})
+          foi = false; a[1]=0; assert(not foi)
+          foi = false; a['a1']=0; assert(not foi)
+          foi = false; a['a11']=0; assert(foi)
+          foi = false; a[11]=0; assert(foi)
+          foi = false; a[1]=nil; assert(not foi)
+          foi = false; a[1]=nil; assert(foi)
+        end
+
+        setmetatable(t, nil)
+        function f (t, ...) return t, {...} end
+        t.__call = f
+
+        do
+          local x,y = a(table.unpack{'a', 1})
+          assert(x==a and y[1]=='a' and y[2]==1 and y[3]==nil)
+          x,y = a()
+          assert(x==a and y[1]==nil)
+        end
+
+
+        local b = setmetatable({}, t)
+        setmetatable(b,t)
+
+        function f(op)
+          return function (...) cap = {[0] = op, ...} ; return (...) end
+        end
+        t.__add = f("add")
+        t.__sub = f("sub")
+        t.__mul = f("mul")
+        t.__div = f("div")
+        t.__idiv = f("idiv")
+        t.__mod = f("mod")
+        t.__unm = f("unm")
+        t.__pow = f("pow")
+        t.__len = f("len")
+        t.__band = f("band")
+        t.__bor = f("bor")
+        t.__bxor = f("bxor")
+        t.__shl = f("shl")
+        t.__shr = f("shr")
+        t.__bnot = f("bnot")
+
+        assert(b+5 == b)
+        assert(cap[0] == "add" and cap[1] == b and cap[2] == 5 and cap[3]==nil)
+        assert(b+'5' == b)
+        assert(cap[0] == "add" and cap[1] == b and cap[2] == '5' and cap[3]==nil)
+        assert(5+b == 5)
+        assert(cap[0] == "add" and cap[1] == 5 and cap[2] == b and cap[3]==nil)
+        assert('5'+b == '5')
+        assert(cap[0] == "add" and cap[1] == '5' and cap[2] == b and cap[3]==nil)
+        b=b-3; assert(getmetatable(b) == t)
+        assert(5-a == 5)
+        assert(cap[0] == "sub" and cap[1] == 5 and cap[2] == a and cap[3]==nil)
+        assert('5'-a == '5')
+        assert(cap[0] == "sub" and cap[1] == '5' and cap[2] == a and cap[3]==nil)
+        assert(a*a == a)
+        assert(cap[0] == "mul" and cap[1] == a and cap[2] == a and cap[3]==nil)
+        assert(a/0 == a)
+        assert(cap[0] == "div" and cap[1] == a and cap[2] == 0 and cap[3]==nil)
+        assert(a%2 == a)
+        assert(cap[0] == "mod" and cap[1] == a and cap[2] == 2 and cap[3]==nil)
+        assert(a // (1/0) == a)
+        assert(cap[0] == "idiv" and cap[1] == a and cap[2] == 1/0 and cap[3]==nil)
+        assert(a & "hi" == a)
+        assert(cap[0] == "band" and cap[1] == a and cap[2] == "hi" and cap[3]==nil)
+        assert(a | "hi" == a)
+        assert(cap[0] == "bor" and cap[1] == a and cap[2] == "hi" and cap[3]==nil)
+        assert("hi" ~ a == "hi")
+        assert(cap[0] == "bxor" and cap[1] == "hi" and cap[2] == a and cap[3]==nil)
+        assert(-a == a)
+        assert(cap[0] == "unm" and cap[1] == a)
+        assert(a^4 == a)
+        assert(cap[0] == "pow" and cap[1] == a and cap[2] == 4 and cap[3]==nil)
+        assert(a^'4' == a)
+        assert(cap[0] == "pow" and cap[1] == a and cap[2] == '4' and cap[3]==nil)
+        assert(4^a == 4)
+        assert(cap[0] == "pow" and cap[1] == 4 and cap[2] == a and cap[3]==nil)
+        assert('4'^a == '4')
+        assert(cap[0] == "pow" and cap[1] == '4' and cap[2] == a and cap[3]==nil)
+        assert(#a == a)
+        assert(cap[0] == "len" and cap[1] == a)
+        assert(~a == a)
+        assert(cap[0] == "bnot" and cap[1] == a)
+        assert(a << 3 == a)
+        assert(cap[0] == "shl" and cap[1] == a and cap[2] == 3)
+        assert(1.5 >> a == 1.5)
+        assert(cap[0] == "shr" and cap[1] == 1.5 and cap[2] == a)
+    `, L;
+
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        L = lauxlib.luaL_newstate();
+
+        lualib.luaL_openlibs(L);
+
+        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
+
+    }, "Lua program loaded without error");
+
+    t.doesNotThrow(function () {
+
+        lua.lua_call(L, 0, -1);
+
+    }, "Lua program ran without error");
+
+});
+
+
+test("[test-suite] events: test for rawlen", function (t) {
+    let luaCode = `
+        t = setmetatable({1,2,3}, {__len = function () return 10 end})
+        assert(#t == 10 and rawlen(t) == 3)
+        assert(rawlen"abc" == 3)
+        assert(not pcall(rawlen, io.stdin))
+        assert(not pcall(rawlen, 34))
+        assert(not pcall(rawlen))
+
+        -- rawlen for long strings
+        assert(rawlen(string.rep('a', 1000)) == 1000)
+    `, L;
+
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        L = lauxlib.luaL_newstate();
+
+        lualib.luaL_openlibs(L);
+
+        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
+
+    }, "Lua program loaded without error");
+
+    t.doesNotThrow(function () {
+
+        lua.lua_call(L, 0, -1);
+
+    }, "Lua program ran without error");
+
+});
+
+
+test("[test-suite] events: test comparison", function (t) {
+    let luaCode = `
+        t = {}
+        t.__lt = function (a,b,c)
+          --collectgarbage()
+          assert(c == nil)
+          if type(a) == 'table' then a = a.x end
+          if type(b) == 'table' then b = b.x end
+         return a<b, "dummy"
+        end
+
+        function Op(x) return setmetatable({x=x}, t) end
+
+        local function test ()
+          assert(not(Op(1)<Op(1)) and (Op(1)<Op(2)) and not(Op(2)<Op(1)))
+          assert(not(1 < Op(1)) and (Op(1) < 2) and not(2 < Op(1)))
+          assert(not(Op('a')<Op('a')) and (Op('a')<Op('b')) and not(Op('b')<Op('a')))
+          assert(not('a' < Op('a')) and (Op('a') < 'b') and not(Op('b') < Op('a')))
+          assert((Op(1)<=Op(1)) and (Op(1)<=Op(2)) and not(Op(2)<=Op(1)))
+          assert((Op('a')<=Op('a')) and (Op('a')<=Op('b')) and not(Op('b')<=Op('a')))
+          assert(not(Op(1)>Op(1)) and not(Op(1)>Op(2)) and (Op(2)>Op(1)))
+          assert(not(Op('a')>Op('a')) and not(Op('a')>Op('b')) and (Op('b')>Op('a')))
+          assert((Op(1)>=Op(1)) and not(Op(1)>=Op(2)) and (Op(2)>=Op(1)))
+          assert((1 >= Op(1)) and not(1 >= Op(2)) and (Op(2) >= 1))
+          assert((Op('a')>=Op('a')) and not(Op('a')>=Op('b')) and (Op('b')>=Op('a')))
+          assert(('a' >= Op('a')) and not(Op('a') >= 'b') and (Op('b') >= Op('a')))
+        end
+
+        test()
+
+        t.__le = function (a,b,c)
+          assert(c == nil)
+          if type(a) == 'table' then a = a.x end
+          if type(b) == 'table' then b = b.x end
+         return a<=b, "dummy"
+        end
+
+        test()  -- retest comparisons, now using both 'lt' and 'le'
+    `, L;
+
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        L = lauxlib.luaL_newstate();
+
+        lualib.luaL_openlibs(L);
+
+        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
+
+    }, "Lua program loaded without error");
+
+    t.doesNotThrow(function () {
+
+        lua.lua_call(L, 0, -1);
+
+    }, "Lua program ran without error");
+
+});
+
+
+test("[test-suite] events: test 'partial order'", function (t) {
+    let luaCode = `
+        t = {}
+
+        local function rawSet(x)
+          local y = {}
+          for _,k in pairs(x) do y[k] = 1 end
+          return y
+        end
+
+        local function Set(x)
+          return setmetatable(rawSet(x), t)
+        end
+
+        t.__lt = function (a,b)
+          for k in pairs(a) do
+            if not b[k] then return false end
+            b[k] = nil
+          end
+          return next(b) ~= nil
+        end
+
+        t.__le = nil
+
+        assert(Set{1,2,3} < Set{1,2,3,4})
+        assert(not(Set{1,2,3,4} < Set{1,2,3,4}))
+        assert((Set{1,2,3,4} <= Set{1,2,3,4}))
+        assert((Set{1,2,3,4} >= Set{1,2,3,4}))
+        assert((Set{1,3} <= Set{3,5}))   -- wrong!! model needs a 'le' method ;-)
+
+        t.__le = function (a,b)
+          for k in pairs(a) do
+            if not b[k] then return false end
+          end
+          return true
+        end
+
+        assert(not (Set{1,3} <= Set{3,5}))   -- now its OK!
+        assert(not(Set{1,3} <= Set{3,5}))
+        assert(not(Set{1,3} >= Set{3,5}))
+
+        t.__eq = function (a,b)
+          for k in pairs(a) do
+            if not b[k] then return false end
+            b[k] = nil
+          end
+          return next(b) == nil
+        end
+
+        local s = Set{1,3,5}
+        assert(s == Set{3,5,1})
+        assert(not rawequal(s, Set{3,5,1}))
+        assert(rawequal(s, s))
+        assert(Set{1,3,5,1} == rawSet{3,5,1})
+        assert(rawSet{1,3,5,1} == Set{3,5,1})
+        assert(Set{1,3,5} ~= Set{3,5,1,6})
+
+        -- '__eq' is not used for table accesses
+        t[Set{1,3,5}] = 1
+        assert(t[Set{1,3,5}] == nil)
+    `, L;
+
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        L = lauxlib.luaL_newstate();
+
+        lualib.luaL_openlibs(L);
+
+        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
+
+    }, "Lua program loaded without error");
+
+    t.doesNotThrow(function () {
+
+        lua.lua_call(L, 0, -1);
+
+    }, "Lua program ran without error");
+
+});
+
+
+test("[test-suite] events: __eq between userdata", function (t) {
+    let luaCode = `
+        T = require('T')
+
+        local u1 = T.newuserdata(0)
+        local u2 = T.newuserdata(0)
+        local u3 = T.newuserdata(0)
+        assert(u1 ~= u2 and u1 ~= u3)
+        debug.setuservalue(u1, 1);
+        debug.setuservalue(u2, 2);
+        debug.setuservalue(u3, 1);
+        debug.setmetatable(u1, {__eq = function (a, b)
+          return debug.getuservalue(a) == debug.getuservalue(b)
+        end})
+        debug.setmetatable(u2, {__eq = function (a, b)
+          return true
+        end})
+        assert(u1 == u3 and u3 == u1 and u1 ~= u2)
+        assert(u2 == u1 and u2 == u3 and u3 == u2)
+        assert(u2 ~= {})   -- different types cannot be equal
+    `, L;
+
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        L = lauxlib.luaL_newstate();
+
+        lualib.luaL_openlibs(L);
+
+        ltests.luaopen_tests(L);
+
+        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
+
+    }, "Lua program loaded without error");
+
+    t.doesNotThrow(function () {
+
+        lua.lua_call(L, 0, -1);
+
+    }, "Lua program ran without error");
+
+});
+
+
+test("[test-suite] events: concat", function (t) {
+    let luaCode = `
+        t = {}
+
+        t.__concat = function (a,b,c)
+          assert(c == nil)
+          if type(a) == 'table' then a = a.val end
+          if type(b) == 'table' then b = b.val end
+          if A then return a..b
+          else
+            return setmetatable({val=a..b}, t)
+          end
+        end
+
+        c = {val="c"}; setmetatable(c, t)
+        d = {val="d"}; setmetatable(d, t)
+
+        A = true
+        assert(c..d == 'cd')
+        assert(0 .."a".."b"..c..d.."e".."f"..(5+3).."g" == "0abcdef8g")
+
+        A = false
+        assert((c..d..c..d).val == 'cdcd')
+        x = c..d
+        assert(getmetatable(x) == t and x.val == 'cd')
+        x = 0 .."a".."b"..c..d.."e".."f".."g"
+        assert(x.val == "0abcdefg")
+    `, L;
+
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        L = lauxlib.luaL_newstate();
+
+        lualib.luaL_openlibs(L);
+
+        ltests.luaopen_tests(L);
+
+        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
+
+    }, "Lua program loaded without error");
+
+    t.doesNotThrow(function () {
+
+        lua.lua_call(L, 0, -1);
+
+    }, "Lua program ran without error");
+
+});
+
+
+test("[test-suite] events: concat metamethod x numbers (bug in 5.1.1)", function (t) {
+    let luaCode = `
+        c = {}
+        local x
+        setmetatable(c, {__concat = function (a,b)
+          assert(type(a) == "number" and b == c or type(b) == "number" and a == c)
+          return c
+        end})
+        assert(c..5 == c and 5 .. c == c)
+        assert(4 .. c .. 5 == c and 4 .. 5 .. 6 .. 7 .. c == c)
+    `, L;
+
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        L = lauxlib.luaL_newstate();
+
+        lualib.luaL_openlibs(L);
+
+        ltests.luaopen_tests(L);
+
+        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
+
+    }, "Lua program loaded without error");
+
+    t.doesNotThrow(function () {
+
+        lua.lua_call(L, 0, -1);
+
+    }, "Lua program ran without error");
+
+});
+
+
+test("[test-suite] events: test comparison compatibilities", function (t) {
+    let luaCode = `
+        local t1, t2, c, d
+        t1 = {};  c = {}; setmetatable(c, t1)
+        d = {}
+        t1.__eq = function () return true end
+        t1.__lt = function () return true end
+        setmetatable(d, t1)
+        assert(c == d and c < d and not(d <= c))
+        t2 = {}
+        t2.__eq = t1.__eq
+        t2.__lt = t1.__lt
+        setmetatable(d, t2)
+        assert(c == d and c < d and not(d <= c))
+    `, L;
+
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        L = lauxlib.luaL_newstate();
+
+        lualib.luaL_openlibs(L);
+
+        ltests.luaopen_tests(L);
+
+        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
+
+    }, "Lua program loaded without error");
+
+    t.doesNotThrow(function () {
+
+        lua.lua_call(L, 0, -1);
+
+    }, "Lua program ran without error");
+
+});
+
+
+test("[test-suite] events: test for several levels of callstest for several levels of calls", function (t) {
+    let luaCode = `
+        local i
+        local tt = {
+          __call = function (t, ...)
+            i = i+1
+            if t.f then return t.f(...)
+            else return {...}
+            end
+          end
+        }
+
+        local a = setmetatable({}, tt)
+        local b = setmetatable({f=a}, tt)
+        local c = setmetatable({f=b}, tt)
+
+        i = 0
+        x = c(3,4,5)
+        assert(i == 3 and x[1] == 3 and x[3] == 5)
+    `, L;
+
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        L = lauxlib.luaL_newstate();
+
+        lualib.luaL_openlibs(L);
+
+        ltests.luaopen_tests(L);
+
+        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
+
+    }, "Lua program loaded without error");
+
+    t.doesNotThrow(function () {
+
+        lua.lua_call(L, 0, -1);
+
+    }, "Lua program ran without error");
+
+});
+
+
+test("[test-suite] events: __index on _ENV", function (t) {
+    let luaCode = `
+        local _g = _G
+        _ENV = setmetatable({}, {__index=function (_,k) return _g[k] end})
+
+        a = {}
+        rawset(a, "x", 1, 2, 3)
+        assert(a.x == 1 and rawget(a, "x", 3) == 1)
+    `, L;
+
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        L = lauxlib.luaL_newstate();
+
+        lualib.luaL_openlibs(L);
+
+        ltests.luaopen_tests(L);
+
+        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
+
+    }, "Lua program loaded without error");
+
+    t.doesNotThrow(function () {
+
+        lua.lua_call(L, 0, -1);
+
+    }, "Lua program ran without error");
+
+});
+
+
+test("[test-suite] events: testing metatables for basic types", function (t) {
+    let luaCode = `
+        mt = {__index = function (a,b) return a+b end,
+              __len = function (x) return math.floor(x) end}
+        debug.setmetatable(10, mt)
+        assert(getmetatable(-2) == mt)
+        assert((10)[3] == 13)
+        assert((10)["3"] == 13)
+        assert(#3.45 == 3)
+        debug.setmetatable(23, nil)
+        assert(getmetatable(-2) == nil)
+
+        debug.setmetatable(true, mt)
+        assert(getmetatable(false) == mt)
+        mt.__index = function (a,b) return a or b end
+        assert((true)[false] == true)
+        assert((false)[false] == false)
+        debug.setmetatable(false, nil)
+        assert(getmetatable(true) == nil)
+
+        debug.setmetatable(nil, mt)
+        assert(getmetatable(nil) == mt)
+        mt.__add = function (a,b) return (a or 0) + (b or 0) end
+        assert(10 + nil == 10)
+        assert(nil + 23 == 23)
+        assert(nil + nil == 0)
+        debug.setmetatable(nil, nil)
+        assert(getmetatable(nil) == nil)
+
+        debug.setmetatable(nil, {})
+    `, L;
+
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        L = lauxlib.luaL_newstate();
+
+        lualib.luaL_openlibs(L);
+
+        ltests.luaopen_tests(L);
+
+        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
+
+    }, "Lua program loaded without error");
+
+    t.doesNotThrow(function () {
+
+        lua.lua_call(L, 0, -1);
+
+    }, "Lua program ran without error");
+
+});
+
+
+test("[test-suite] events: loops in delegation", function (t) {
+    let luaCode = `
+        a = {}; setmetatable(a, a); a.__index = a; a.__newindex = a
+        assert(not pcall(function (a,b) return a[b] end, a, 10))
+        assert(not pcall(function (a,b,c) a[b] = c end, a, 10, true))
+    `, L;
+
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        L = lauxlib.luaL_newstate();
+
+        lualib.luaL_openlibs(L);
+
+        ltests.luaopen_tests(L);
+
+        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
+
+    }, "Lua program loaded without error");
+
+    t.doesNotThrow(function () {
+
+        lua.lua_call(L, 0, -1);
+
+    }, "Lua program ran without error");
+
+});
+
+
+test("[test-suite] events: bug in 5.1", function (t) {
+    let luaCode = `
+        T, K, V = nil
+        grandparent = {}
+        grandparent.__newindex = function(t,k,v) T=t; K=k; V=v end
+
+        parent = {}
+        parent.__newindex = parent
+        setmetatable(parent, grandparent)
+
+        child = setmetatable({}, parent)
+        child.foo = 10      --> CRASH (on some machines)
+        assert(T == parent and K == "foo" and V == 10)
+    `, L;
+
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        L = lauxlib.luaL_newstate();
+
+        lualib.luaL_openlibs(L);
+
+        ltests.luaopen_tests(L);
+
+        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
+
+    }, "Lua program loaded without error");
+
+    t.doesNotThrow(function () {
+
+        lua.lua_call(L, 0, -1);
+
+    }, "Lua program ran without error");
+
+});