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-rw-r--r--tests/test-suite/inprogress/db.js1129
1 files changed, 1129 insertions, 0 deletions
diff --git a/tests/test-suite/inprogress/db.js b/tests/test-suite/inprogress/db.js
index af1d042..2481096 100644
--- a/tests/test-suite/inprogress/db.js
+++ b/tests/test-suite/inprogress/db.js
@@ -344,3 +344,1132 @@ test("[test-suite] db: parameter names", function (t) {
}, "Lua program ran without error");
});
+
+
+test("[test-suite] db: vararg", function (t) {
+ let luaCode = `
+ local function foo (a, ...)
+ local t = table.pack(...)
+ for i = 1, t.n do
+ local n, v = debug.getlocal(1, -i)
+ assert(n == "(*vararg)" and v == t[i])
+ end
+ assert(not debug.getlocal(1, -(t.n + 1)))
+ assert(not debug.setlocal(1, -(t.n + 1), 30))
+ if t.n > 0 then
+ (function (x)
+ assert(debug.setlocal(2, -1, x) == "(*vararg)")
+ assert(debug.setlocal(2, -t.n, x) == "(*vararg)")
+ end)(430)
+ assert(... == 430)
+ end
+ end
+
+ foo()
+ foo(print)
+ foo(200, 3, 4)
+ local a = {}
+ for i = 1, (_soft and 100 or 1000) do a[i] = i end
+ foo(table.unpack(a))
+ 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] db: access to vararg in non-vararg function", function (t) {
+ let luaCode = `
+ local function foo () return debug.getlocal(1, -1) end
+ assert(not foo(10))
+ `, 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] db: test hook presence in debug info", function (t) {
+ let luaCode = `
+ do -- test hook presence in debug info
+ assert(not debug.gethook())
+ local count = 0
+ local function f ()
+ assert(debug.getinfo(1).namewhat == "hook")
+ local sndline = string.match(debug.traceback(), "\\n(.-)\\n")
+ assert(string.find(sndline, "hook"))
+ count = count + 1
+ end
+ debug.sethook(f, "l")
+ local a = 0
+ _ENV.a = a
+ a = 1
+ debug.sethook()
+ assert(count == 4)
+ end
+
+ a = {}; L = nil
+ local glob = 1
+ local oldglob = glob
+ debug.sethook(function (e,l)
+ -- collectgarbage() -- force GC during a hook
+ local f, m, c = debug.gethook()
+ assert(m == 'crl' and c == 0)
+ if e == "line" then
+ if glob ~= oldglob then
+ L = l-1 -- get the first line where "glob" has changed
+ oldglob = glob
+ end
+ elseif e == "call" then
+ local f = debug.getinfo(2, "f").func
+ a[f] = 1
+ else assert(e == "return")
+ end
+ end, "crl")
+
+
+ function f(a,b)
+ -- collectgarbage()
+ local _, x = debug.getlocal(1, 1)
+ local _, y = debug.getlocal(1, 2)
+ assert(x == a and y == b)
+ assert(debug.setlocal(2, 3, "pera") == "AA".."AA")
+ assert(debug.setlocal(2, 4, "maçã") == "B")
+ x = debug.getinfo(2)
+ assert(x.func == g and x.what == "Lua" and x.name == 'g' and x.nups == 1)
+ glob = glob+1
+ assert(debug.getinfo(1, "l").currentline == L+1)
+ assert(debug.getinfo(1, "l").currentline == L+2)
+ end
+
+ function foo()
+ glob = glob+1
+ assert(debug.getinfo(1, "l").currentline == L+1)
+ end; foo() -- set L
+ -- check line counting inside strings and empty lines
+
+ _ = 'alo\\
+ alo' .. [[
+
+ ]]
+ --[[
+ ]]
+ assert(debug.getinfo(1, "l").currentline == L+11) -- check count of lines
+
+
+ function g(...)
+ local arg = {...}
+ do local a,b,c; a=math.sin(40); end
+ local feijao
+ local AAAA,B = "xuxu", "mamão"
+ f(AAAA,B)
+ assert(AAAA == "pera" and B == "maçã")
+ do
+ local B = 13
+ local x,y = debug.getlocal(1,5)
+ assert(x == 'B' and y == 13)
+ end
+ end
+
+ g()
+
+ print(a[f], a[g], a[assert], a[debug.getlocal], a[print])
+ assert(a[f] and a[g] and a[assert] and a[debug.getlocal] and not a[print])
+ `, 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] db: tests for manipulating non-registered locals (C and Lua temporaries)", function (t) {
+ let luaCode = `
+ local n, v = debug.getlocal(0, 1)
+ assert(v == 0 and n == "(*temporary)")
+ local n, v = debug.getlocal(0, 2)
+ assert(v == 2 and n == "(*temporary)")
+ assert(not debug.getlocal(0, 3))
+ assert(not debug.getlocal(0, 0))
+
+ function f()
+ assert(select(2, debug.getlocal(2,3)) == 1)
+ assert(not debug.getlocal(2,4))
+ debug.setlocal(2, 3, 10)
+ return 20
+ end
+
+ function g(a,b) return (a+1) + f() end
+
+ assert(g(0,0) == 30)
+
+
+ debug.sethook(nil);
+ assert(debug.gethook() == 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] db: testing access to function arguments", function (t) {
+ let luaCode = `
+ local function collectlocals (level)
+ local tab = {}
+ for i = 1, math.huge do
+ local n, v = debug.getlocal(level + 1, i)
+ if not (n and string.find(n, "^[a-zA-Z0-9_]+$")) then
+ break -- consider only real variables
+ end
+ tab[n] = v
+ end
+ return tab
+ end
+
+
+ X = nil
+ a = {}
+ function a:f (a, b, ...) local arg = {...}; local c = 13 end
+ debug.sethook(function (e)
+ assert(e == "call")
+ dostring("XX = 12") -- test dostring inside hooks
+ -- testing errors inside hooks
+ assert(not pcall(load("a='joao'+1")))
+ debug.sethook(function (e, l)
+ assert(debug.getinfo(2, "l").currentline == l)
+ local f,m,c = debug.gethook()
+ assert(e == "line")
+ assert(m == 'l' and c == 0)
+ debug.sethook(nil) -- hook is called only once
+ assert(not X) -- check that
+ X = collectlocals(2)
+ end, "l")
+ end, "c")
+
+ a:f(1,2,3,4,5)
+ assert(X.self == a and X.a == 1 and X.b == 2 and X.c == nil)
+ assert(XX == 12)
+ assert(debug.gethook() == nil)
+ `, L;
+
+ t.plan(2);
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ lualib.luaL_openlibs(L);
+
+ lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));
+
+ }, "Lua program loaded without error");
+
+ t.doesNotThrow(function () {
+
+ lua.lua_call(L, 0, -1);
+
+ }, "Lua program ran without error");
+
+});
+
+
+test("[test-suite] db: testing access to local variables in return hook (bug in 5.2)", function (t) {
+ let luaCode = `
+ local function collectlocals (level)
+ local tab = {}
+ for i = 1, math.huge do
+ local n, v = debug.getlocal(level + 1, i)
+ if not (n and string.find(n, "^[a-zA-Z0-9_]+$")) then
+ break -- consider only real variables
+ end
+ tab[n] = v
+ end
+ return tab
+ end
+
+ do
+ local function foo (a, b)
+ do local x,y,z end
+ local c, d = 10, 20
+ return
+ end
+
+ local function aux ()
+ if debug.getinfo(2).name == "foo" then
+ foo = nil -- to signal that it found 'foo'
+ local tab = {a = 100, b = 200, c = 10, d = 20}
+ for n, v in pairs(collectlocals(2)) do
+ assert(tab[n] == v)
+ tab[n] = nil
+ end
+ assert(next(tab) == nil) -- 'tab' must be empty
+ end
+ end
+
+ debug.sethook(aux, "r"); foo(100, 200); debug.sethook()
+ assert(foo == 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] db: testing upvalue access", function (t) {
+ let luaCode = `
+ local function getupvalues (f)
+ local t = {}
+ local i = 1
+ while true do
+ local name, value = debug.getupvalue(f, i)
+ if not name then break end
+ assert(not t[name])
+ t[name] = value
+ i = i + 1
+ end
+ return t
+ end
+
+ local a,b,c = 1,2,3
+ local function foo1 (a) b = a; return c end
+ local function foo2 (x) a = x; return c+b end
+ assert(not debug.getupvalue(foo1, 3))
+ assert(not debug.getupvalue(foo1, 0))
+ assert(not debug.setupvalue(foo1, 3, "xuxu"))
+ local t = getupvalues(foo1)
+ assert(t.a == nil and t.b == 2 and t.c == 3)
+ t = getupvalues(foo2)
+ assert(t.a == 1 and t.b == 2 and t.c == 3)
+ assert(debug.setupvalue(foo1, 1, "xuxu") == "b")
+ assert(({debug.getupvalue(foo2, 3)})[2] == "xuxu")
+ -- upvalues of C functions are allways "called" "" (the empty string)
+ assert(debug.getupvalue(string.gmatch("x", "x"), 1) == "")
+ `, 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] db: testing count hooks", function (t) {
+ let luaCode = `
+ local a=0
+ debug.sethook(function (e) a=a+1 end, "", 1)
+ a=0; for i=1,1000 do end; assert(1000 < a and a < 1012)
+ debug.sethook(function (e) a=a+1 end, "", 4)
+ a=0; for i=1,1000 do end; assert(250 < a and a < 255)
+ local f,m,c = debug.gethook()
+ assert(m == "" and c == 4)
+ debug.sethook(function (e) a=a+1 end, "", 4000)
+ a=0; for i=1,1000 do end; assert(a == 0)
+
+ do
+ debug.sethook(print, "", 2^24 - 1) -- count upperbound
+ local f,m,c = debug.gethook()
+ assert(({debug.gethook()})[3] == 2^24 - 1)
+ end
+
+ debug.sethook()
+ `, 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] db: tests for tail calls", function (t) {
+ let luaCode = `
+ local function f (x)
+ if x then
+ assert(debug.getinfo(1, "S").what == "Lua")
+ assert(debug.getinfo(1, "t").istailcall == true)
+ local tail = debug.getinfo(2)
+ assert(tail.func == g1 and tail.istailcall == true)
+ assert(debug.getinfo(3, "S").what == "main")
+ print"+"
+ end
+ end
+
+ function g(x) return f(x) end
+
+ function g1(x) g(x) end
+
+ local function h (x) local f=g1; return f(x) end
+
+ h(true)
+
+ local b = {}
+ debug.sethook(function (e) table.insert(b, e) end, "cr")
+ h(false)
+ debug.sethook()
+ local res = {"return", -- first return (from sethook)
+ "call", "tail call", "call", "tail call",
+ "return", "return",
+ "call", -- last call (to sethook)
+ }
+ for i = 1, #res do assert(res[i] == table.remove(b, 1)) end
+
+ b = 0
+ debug.sethook(function (e)
+ if e == "tail call" then
+ b = b + 1
+ assert(debug.getinfo(2, "t").istailcall == true)
+ else
+ assert(debug.getinfo(2, "t").istailcall == false)
+ end
+ end, "c")
+ h(false)
+ debug.sethook()
+ assert(b == 2) -- two tail calls
+
+ lim = _soft and 3000 or 30000
+ local function foo (x)
+ if x==0 then
+ assert(debug.getinfo(2).what == "main")
+ local info = debug.getinfo(1)
+ assert(info.istailcall == true and info.func == foo)
+ else return foo(x-1)
+ end
+ end
+
+ foo(lim)
+ `, 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] db: testing local function information", function (t) {
+ let luaCode = `
+ co = load[[
+ local A = function ()
+ return x
+ end
+ return
+ ]]
+
+ local a = 0
+ -- 'A' should be visible to debugger only after its complete definition
+ debug.sethook(function (e, l)
+ if l == 3 then a = a + 1; assert(debug.getlocal(2, 1) == "(*temporary)")
+ elseif l == 4 then a = a + 1; assert(debug.getlocal(2, 1) == "A")
+ end
+ end, "l")
+ co() -- run local function definition
+ debug.sethook() -- turn off hook
+ assert(a == 2) -- ensure all two lines where hooked
+ `, 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] db: testing traceback", function (t) {
+ let luaCode = `
+ assert(debug.traceback(print) == print)
+ assert(debug.traceback(print, 4) == print)
+ assert(string.find(debug.traceback("hi", 4), "^hi\\n"))
+ assert(string.find(debug.traceback("hi"), "^hi\\n"))
+ assert(not string.find(debug.traceback("hi"), "'debug.traceback'"))
+ assert(string.find(debug.traceback("hi", 0), "'debug.traceback'"))
+ assert(string.find(debug.traceback(), "^stack traceback:\\n"))
+
+ do -- C-function names in traceback
+ local st, msg = (function () return pcall end)()(debug.traceback)
+ assert(st == true and string.find(msg, "pcall"))
+ 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] db: testing nparams, nups e isvararg", function (t) {
+ let luaCode = `
+ local t = debug.getinfo(print, "u")
+ assert(t.isvararg == true and t.nparams == 0 and t.nups == 0)
+
+ t = debug.getinfo(function (a,b,c) end, "u")
+ assert(t.isvararg == false and t.nparams == 3 and t.nups == 0)
+
+ t = debug.getinfo(function (a,b,...) return t[a] end, "u")
+ assert(t.isvararg == true and t.nparams == 2 and t.nups == 1)
+
+ t = debug.getinfo(1) -- main
+ assert(t.isvararg == true and t.nparams == 0 and t.nups == 1 and
+ debug.getupvalue(t.func, 1) == "_ENV")
+ `, 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] db: testing debugging of coroutines", function (t) {
+ let luaCode = `
+ local function checktraceback (co, p, level)
+ local tb = debug.traceback(co, nil, level)
+ local i = 0
+ for l in string.gmatch(tb, "[^\\n]+\\n?") do
+ assert(i == 0 or string.find(l, p[i]))
+ i = i+1
+ end
+ assert(p[i] == nil)
+ end
+
+
+ local function f (n)
+ if n > 0 then f(n-1)
+ else coroutine.yield() end
+ end
+
+ local co = coroutine.create(f)
+ coroutine.resume(co, 3)
+ -- TODO: will fail because of filename not being db.lua
+ -- checktraceback(co, {"yield", "db.lua", "db.lua", "db.lua", "db.lua"})
+ -- checktraceback(co, {"db.lua", "db.lua", "db.lua", "db.lua"}, 1)
+ -- checktraceback(co, {"db.lua", "db.lua", "db.lua"}, 2)
+ -- checktraceback(co, {"db.lua"}, 4)
+ -- checktraceback(co, {}, 40)
+
+
+ co = coroutine.create(function (x)
+ local a = 1
+ coroutine.yield(debug.getinfo(1, "l"))
+ coroutine.yield(debug.getinfo(1, "l").currentline)
+ return a
+ end)
+
+ local tr = {}
+ local foo = function (e, l) if l then table.insert(tr, l) end end
+ debug.sethook(co, foo, "lcr")
+
+ local _, l = coroutine.resume(co, 10)
+ local x = debug.getinfo(co, 1, "lfLS")
+ assert(x.currentline == l.currentline and x.activelines[x.currentline])
+ assert(type(x.func) == "function")
+ for i=x.linedefined + 1, x.lastlinedefined do
+ assert(x.activelines[i])
+ x.activelines[i] = nil
+ end
+ assert(next(x.activelines) == nil) -- no 'extra' elements
+ assert(not debug.getinfo(co, 2))
+ local a,b = debug.getlocal(co, 1, 1)
+ assert(a == "x" and b == 10)
+ a,b = debug.getlocal(co, 1, 2)
+ assert(a == "a" and b == 1)
+ debug.setlocal(co, 1, 2, "hi")
+ assert(debug.gethook(co) == foo)
+ assert(#tr == 2 and
+ tr[1] == l.currentline-1 and tr[2] == l.currentline)
+
+ a,b,c = pcall(coroutine.resume, co)
+ assert(a and b and c == l.currentline+1)
+ checktraceback(co, {"yield", "in function <"})
+
+ a,b = coroutine.resume(co)
+ assert(a and b == "hi")
+ assert(#tr == 4 and tr[4] == l.currentline+2)
+ assert(debug.gethook(co) == foo)
+ assert(not debug.gethook())
+ checktraceback(co, {})
+ `, 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] db: check get/setlocal in coroutines", function (t) {
+ let luaCode = `
+ co = coroutine.create(function (x)
+ local a, b = coroutine.yield(x)
+ assert(a == 100 and b == nil)
+ return x
+ end)
+ a, b = coroutine.resume(co, 10)
+ assert(a and b == 10)
+ a, b = debug.getlocal(co, 1, 1)
+ assert(a == "x" and b == 10)
+ assert(not debug.getlocal(co, 1, 5))
+ assert(debug.setlocal(co, 1, 1, 30) == "x")
+ assert(not debug.setlocal(co, 1, 5, 40))
+ a, b = coroutine.resume(co, 100)
+ assert(a and b == 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] db: check traceback of suspended (or dead with error) coroutines", function (t) {
+ let luaCode = `
+ local function checktraceback (co, p, level)
+ local tb = debug.traceback(co, nil, level)
+ local i = 0
+ for l in string.gmatch(tb, "[^\\n]+\\n?") do
+ assert(i == 0 or string.find(l, p[i]))
+ i = i+1
+ end
+ assert(p[i] == nil)
+ end
+
+ function f(i) if i==0 then error(i) else coroutine.yield(); f(i-1) end end
+
+ co = coroutine.create(function (x) f(x) end)
+ a, b = coroutine.resume(co, 3)
+ t = {"'coroutine.yield'", "'f'", "in function <"}
+ while coroutine.status(co) == "suspended" do
+ checktraceback(co, t)
+ a, b = coroutine.resume(co)
+ table.insert(t, 2, "'f'") -- one more recursive call to 'f'
+ end
+ t[1] = "'error'"
+ checktraceback(co, t)
+ `, 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] db: check test acessing line numbers of a coroutine from a resume inside a C function", function (t) {
+ let luaCode = `
+ local function g(x)
+ coroutine.yield(x)
+ end
+
+ local function f (i)
+ debug.sethook(function () end, "l")
+ for j=1,1000 do
+ g(i+j)
+ end
+ end
+
+ local co = coroutine.wrap(f)
+ co(10)
+ pcall(co)
+ pcall(co)
+
+
+ assert(type(debug.getregistry()) == "table")
+ `, 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] db: test tagmethod information", function (t) {
+ let luaCode = `
+ local a = {}
+ local function f (t)
+ local info = debug.getinfo(1);
+ assert(info.namewhat == "metamethod")
+ a.op = info.name
+ return info.name
+ end
+ setmetatable(a, {
+ __index = f; __add = f; __div = f; __mod = f; __concat = f; __pow = f;
+ __mul = f; __idiv = f; __unm = f; __len = f; __sub = f;
+ __shl = f; __shr = f; __bor = f; __bxor = f;
+ __eq = f; __le = f; __lt = f; __unm = f; __len = f; __band = f;
+ __bnot = f;
+ })
+
+ local b = setmetatable({}, getmetatable(a))
+
+ assert(a[3] == "__index" and a^3 == "__pow" and a..a == "__concat")
+ assert(a/3 == "__div" and 3%a == "__mod")
+ assert(a+3 == "__add" and 3-a == "__sub" and a*3 == "__mul" and
+ -a == "__unm" and #a == "__len" and a&3 == "__band")
+ assert(a|3 == "__bor" and 3~a == "__bxor" and a<<3 == "__shl" and
+ a>>1 == "__shr")
+ assert (a==b and a.op == "__eq")
+ assert (a>=b and a.op == "__le")
+ assert (a>b and a.op == "__lt")
+ assert(~a == "__bnot")
+ `, 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] db: testing for-iterator name", function (t) {
+ let luaCode = `
+ do
+ local function f()
+ assert(debug.getinfo(1).name == "for iterator")
+ end
+
+ for i in f do 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] db: testing traceback sizes", function (t) {
+ let luaCode = `
+ do
+ local function countlines (s)
+ return select(2, string.gsub(s, "\n", ""))
+ end
+
+ local function deep (lvl, n)
+ if lvl == 0 then
+ return (debug.traceback("message", n))
+ else
+ return (deep(lvl-1, n))
+ end
+ end
+
+ local function checkdeep (total, start)
+ local s = deep(total, start)
+ local rest = string.match(s, "^message\nstack traceback:\n(.*)$")
+ local cl = countlines(rest)
+ -- at most 10 lines in first part, 11 in second, plus '...'
+ assert(cl <= 10 + 11 + 1)
+ local brk = string.find(rest, "%.%.%.")
+ if brk then -- does message have '...'?
+ local rest1 = string.sub(rest, 1, brk)
+ local rest2 = string.sub(rest, brk, #rest)
+ assert(countlines(rest1) == 10 and countlines(rest2) == 11)
+ else
+ assert(cl == total - start + 2)
+ end
+ end
+
+ for d = 1, 51, 10 do
+ for l = 1, d do
+ -- use coroutines to ensure complete control of the stack
+ coroutine.wrap(checkdeep)(d, l)
+ end
+ 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] db: testing debug functions on chunk without debug info", function (t) {
+ let luaCode = `
+ prog = [[-- program to be loaded without debug information
+ local debug = require'debug'
+ local a = 12 -- a local variable
+
+ local n, v = debug.getlocal(1, 1)
+ assert(n == "(*temporary)" and v == debug) -- unkown name but known value
+ n, v = debug.getlocal(1, 2)
+ assert(n == "(*temporary)" and v == 12) -- unkown name but known value
+
+ -- a function with an upvalue
+ local f = function () local x; return a end
+ n, v = debug.getupvalue(f, 1)
+ assert(n == "(*no name)" and v == 12)
+ assert(debug.setupvalue(f, 1, 13) == "(*no name)")
+ assert(a == 13)
+
+ local t = debug.getinfo(f)
+ assert(t.name == nil and t.linedefined > 0 and
+ t.lastlinedefined == t.linedefined and
+ t.short_src == "?")
+ assert(debug.getinfo(1).currentline == -1)
+
+ t = debug.getinfo(f, "L").activelines
+ assert(next(t) == nil) -- active lines are empty
+
+ -- dump/load a function without debug info
+ f = load(string.dump(f))
+
+ t = debug.getinfo(f)
+ assert(t.name == nil and t.linedefined > 0 and
+ t.lastlinedefined == t.linedefined and
+ t.short_src == "?")
+ assert(debug.getinfo(1).currentline == -1)
+
+ return a
+ ]]
+
+
+ -- load 'prog' without debug info
+ local f = assert(load(string.dump(load(prog), true)))
+
+ assert(f() == 13)
+ `, 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] db: tests for 'source' in binary dumps", function (t) {
+ let luaCode = `
+ do
+ local prog = [[
+ return function (x)
+ return function (y)
+ return x + y
+ end
+ end
+ ]]
+ local name = string.rep("x", 1000)
+ local p = assert(load(prog, name))
+ -- load 'p' as a binary chunk with debug information
+ local c = string.dump(p)
+ assert(#c > 1000 and #c < 2000) -- no repetition of 'source' in dump
+ local f = assert(load(c))
+ local g = f()
+ local h = g(3)
+ assert(h(5) == 8)
+ assert(debug.getinfo(f).source == name and -- all functions have 'source'
+ debug.getinfo(g).source == name and
+ debug.getinfo(h).source == name)
+ -- again, without debug info
+ local c = string.dump(p, true)
+ assert(#c < 500) -- no 'source' in dump
+ local f = assert(load(c))
+ local g = f()
+ local h = g(30)
+ assert(h(50) == 80)
+ assert(debug.getinfo(f).source == '=?' and -- no function has 'source'
+ debug.getinfo(g).source == '=?' and
+ debug.getinfo(h).source == '=?')
+ 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");
+
+});
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