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-rw-r--r--tests/test-suite/calls.js412
1 files changed, 412 insertions, 0 deletions
diff --git a/tests/test-suite/calls.js b/tests/test-suite/calls.js
new file mode 100644
index 0000000..2c1dc7a
--- /dev/null
+++ b/tests/test-suite/calls.js
@@ -0,0 +1,412 @@
+"use strict";
+
+const test = require('tape');
+
+const lauxlib = require("../../src/lauxlib.js");
+const lua = require('../../src/lua.js');
+
+
+test("[test-suite] calls: test 'type'", function (t) {
+ let luaCode = `
+ assert(type(1<2) == 'boolean')
+ assert(type(true) == 'boolean' and type(false) == 'boolean')
+ assert(type(nil) == 'nil'
+ and type(-3) == 'number'
+ and type'x' == 'string'
+ and type{} == 'table'
+ and type(type) == 'function')
+
+ assert(type(assert) == type(print))
+ function f (x) return a:x (x) end
+ assert(type(f) == 'function')
+ assert(not pcall(type))
+ `, L;
+
+ t.plan(2);
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ lauxlib.luaL_openlibs(L);
+
+ lauxlib.luaL_loadstring(L, lua.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] calls: test error in 'print'", function (t) {
+ let luaCode = `
+ do -- test error in 'print' too...
+ local tostring = _ENV.tostring
+
+ _ENV.tostring = nil
+ local st, msg = pcall(print, 1)
+ assert(st == false and string.find(msg, "attempt to call a nil value"))
+
+ _ENV.tostring = function () return {} end
+ local st, msg = pcall(print, 1)
+ assert(st == false and string.find(msg, "must return a string"))
+
+ _ENV.tostring = tostring
+ end
+ `, L;
+
+ t.plan(2);
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ lauxlib.luaL_openlibs(L);
+
+ lauxlib.luaL_loadstring(L, lua.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] calls: testing local-function recursion", function (t) {
+ let luaCode = `
+ fact = false
+ do
+ local res = 1
+ local function fact (n)
+ if n==0 then return res
+ else return n*fact(n-1)
+ end
+ end
+ assert(fact(5) == 120)
+ end
+ assert(fact == false)
+ `, L;
+
+ t.plan(2);
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ lauxlib.luaL_openlibs(L);
+
+ lauxlib.luaL_loadstring(L, lua.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] calls: testing declarations", function (t) {
+ let luaCode = `
+ a = {i = 10}
+ self = 20
+ function a:x (x) return x+self.i end
+ function a.y (x) return x+self end
+
+ assert(a:x(1)+10 == a.y(1))
+
+ a.t = {i=-100}
+ a["t"].x = function (self, a,b) return self.i+a+b end
+
+ assert(a.t:x(2,3) == -95)
+
+ do
+ local a = {x=0}
+ function a:add (x) self.x, a.y = self.x+x, 20; return self end
+ assert(a:add(10):add(20):add(30).x == 60 and a.y == 20)
+ end
+
+ local a = {b={c={}}}
+
+ function a.b.c.f1 (x) return x+1 end
+ function a.b.c:f2 (x,y) self[x] = y end
+ assert(a.b.c.f1(4) == 5)
+ a.b.c:f2('k', 12); assert(a.b.c.k == 12)
+
+
+ t = nil -- 'declare' t
+ function f(a,b,c) local d = 'a'; t={a,b,c,d} end
+
+ f( -- this line change must be valid
+ 1,2)
+ assert(t[1] == 1 and t[2] == 2 and t[3] == nil and t[4] == 'a')
+ f(1,2, -- this one too
+ 3,4)
+ assert(t[1] == 1 and t[2] == 2 and t[3] == 3 and t[4] == 'a')
+
+ function fat(x)
+ if x <= 1 then return 1
+ else return x*load("return fat(" .. x-1 .. ")", "")()
+ end
+ end
+
+ assert(load "load 'assert(fat(6)==720)' () ")()
+ a = load('return fat(5), 3')
+ a,b = a()
+ assert(a == 120 and b == 3)
+
+ function err_on_n (n)
+ if n==0 then error(); exit(1);
+ else err_on_n (n-1); exit(1);
+ end
+ end
+
+ do
+ function dummy (n)
+ if n > 0 then
+ assert(not pcall(err_on_n, n))
+ dummy(n-1)
+ end
+ end
+ end
+
+ dummy(10)
+
+ function deep (n)
+ if n>0 then deep(n-1) end
+ end
+ deep(10)
+ deep(200)
+
+ -- testing tail call
+ function deep (n) if n>0 then return deep(n-1) else return 101 end end
+ assert(deep(30000) == 101)
+ a = {}
+ function a:deep (n) if n>0 then return self:deep(n-1) else return 101 end end
+ assert(a:deep(30000) == 101)
+
+
+
+ a = nil
+ (function (x) a=x end)(23)
+ assert(a == 23 and (function (x) return x*2 end)(20) == 40)
+ `, L;
+
+ t.plan(2);
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ lauxlib.luaL_openlibs(L);
+
+ lauxlib.luaL_loadstring(L, lua.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] calls: testing closures", function (t) {
+ let luaCode = `
+ -- fixed-point operator
+ Z = function (le)
+ local function a (f)
+ return le(function (x) return f(f)(x) end)
+ end
+ return a(a)
+ end
+
+
+ -- non-recursive factorial
+
+ F = function (f)
+ return function (n)
+ if n == 0 then return 1
+ else return n*f(n-1) end
+ end
+ end
+
+ fat = Z(F)
+
+ assert(fat(0) == 1 and fat(4) == 24 and Z(F)(5)==5*Z(F)(4))
+
+ local function g (z)
+ local function f (a,b,c,d)
+ return function (x,y) return a+b+c+d+a+x+y+z end
+ end
+ return f(z,z+1,z+2,z+3)
+ end
+
+ f = g(10)
+ assert(f(9, 16) == 10+11+12+13+10+9+16+10)
+
+ Z, F, f = nil
+ `, L;
+
+ t.plan(2);
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ lauxlib.luaL_openlibs(L);
+
+ lauxlib.luaL_loadstring(L, lua.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] calls: testing multiple returns", function (t) {
+ let luaCode = `
+ function unlpack (t, i)
+ i = i or 1
+ if (i <= #t) then
+ return t[i], unlpack(t, i+1)
+ end
+ end
+
+ function equaltab (t1, t2)
+ assert(#t1 == #t2)
+ for i = 1, #t1 do
+ assert(t1[i] == t2[i])
+ end
+ end
+
+ local pack = function (...) return (table.pack(...)) end
+
+ function f() return 1,2,30,4 end
+ function ret2 (a,b) return a,b end
+
+ local a,b,c,d = unlpack{1,2,3}
+ assert(a==1 and b==2 and c==3 and d==nil)
+ a = {1,2,3,4,false,10,'alo',false,assert}
+ equaltab(pack(unlpack(a)), a)
+ equaltab(pack(unlpack(a), -1), {1,-1})
+ a,b,c,d = ret2(f()), ret2(f())
+ assert(a==1 and b==1 and c==2 and d==nil)
+ a,b,c,d = unlpack(pack(ret2(f()), ret2(f())))
+ assert(a==1 and b==1 and c==2 and d==nil)
+ a,b,c,d = unlpack(pack(ret2(f()), (ret2(f()))))
+ assert(a==1 and b==1 and c==nil and d==nil)
+
+ a = ret2{ unlpack{1,2,3}, unlpack{3,2,1}, unlpack{"a", "b"}}
+ assert(a[1] == 1 and a[2] == 3 and a[3] == "a" and a[4] == "b")
+ `, L;
+
+ t.plan(2);
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ lauxlib.luaL_openlibs(L);
+
+ lauxlib.luaL_loadstring(L, lua.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] calls: testing calls with 'incorrect' arguments", function (t) {
+ let luaCode = `
+ rawget({}, "x", 1)
+ rawset({}, "x", 1, 2)
+ assert(math.sin(1,2) == math.sin(1))
+ table.sort({10,9,8,4,19,23,0,0}, function (a,b) return a<b end, "extra arg")
+ `, L;
+
+ t.plan(2);
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ lauxlib.luaL_openlibs(L);
+
+ lauxlib.luaL_loadstring(L, lua.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] calls: test for generic load", function (t) {
+ let luaCode = `
+ local x = "-- a comment\\0\\0\\0\\n x = 10 + \\n23; \\
+ local a = function () x = 'hi' end; \\
+ return '\\0'"
+
+ function read1 (x)
+ local i = 0
+ return function ()
+ --print(x)
+ i=i+1
+ return string.sub(x, i, i)
+ end
+ end
+
+ function cannotload (msg, a,b)
+ assert(not a and string.find(b, msg))
+ end
+
+ a = assert(load(read1(x), "modname", "t", _G))
+ `, L;
+
+ t.plan(1);
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ lauxlib.luaL_openlibs(L);
+
+ lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode));
+
+ }, "Lua program loaded without error");
+
+ // t.doesNotThrow(function () {
+
+ lua.lua_call(L, 0, -1);
+
+ // }, "Lua program ran without error");
+
+});
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