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-rw-r--r--test/test-suite/events.test.js586
1 files changed, 586 insertions, 0 deletions
diff --git a/test/test-suite/events.test.js b/test/test-suite/events.test.js
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+++ b/test/test-suite/events.test.js
@@ -0,0 +1,586 @@
+"use strict";
+
+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", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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)
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] events: test for rawlen", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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)
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] events: test comparison", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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'
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] events: test 'partial order'", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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)
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] events: __eq between userdata", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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
+ `;
+ lualib.luaL_openlibs(L);
+ ltests.luaopen_tests(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] events: concat", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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")
+ `;
+ lualib.luaL_openlibs(L);
+ ltests.luaopen_tests(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] events: concat metamethod x numbers (bug in 5.1.1)", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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)
+ `;
+ lualib.luaL_openlibs(L);
+ ltests.luaopen_tests(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] events: test comparison compatibilities", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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))
+ `;
+ lualib.luaL_openlibs(L);
+ ltests.luaopen_tests(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] events: test for several levels of callstest for several levels of calls", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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)
+ `;
+ lualib.luaL_openlibs(L);
+ ltests.luaopen_tests(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] events: __index on _ENV", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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)
+ `;
+ lualib.luaL_openlibs(L);
+ ltests.luaopen_tests(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] events: testing metatables for basic types", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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, {})
+ `;
+ lualib.luaL_openlibs(L);
+ ltests.luaopen_tests(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] events: loops in delegation", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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))
+ `;
+ lualib.luaL_openlibs(L);
+ ltests.luaopen_tests(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] events: bug in 5.1", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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)
+ `;
+ lualib.luaL_openlibs(L);
+ ltests.luaopen_tests(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
generated by cgit v1.2.3-54-g00ecf (git 2.45.1) at 2024-05-19 23:04:11 +0000