Start moving test suite from tape => jest

1 files changed, 344 insertions, 0 deletions

diff --git a/test/test-suite/closure.js b/test/test-suite/closure.js
new file mode 100644
index 0000000..79a2226
--- /dev/null
+++ b/test/test-suite/closure.js
@@ -0,0 +1,344 @@
+"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");
+
+test("[test-suite] closure: testing equality", function (t) {
+    let luaCode = `
+        a = {}
+        for i = 1, 5 do  a[i] = function (x) return x + a + _ENV end  end
+        assert(a[3] == a[4] and a[4] == a[5])
+
+        for i = 1, 5 do  a[i] = function (x) return i + a + _ENV end  end
+        assert(a[3] ~= a[4] and a[4] ~= a[5])
+
+        local function f()
+          return function (x)  return math.sin(_ENV[x])  end
+        end
+        assert(f() == f())
+    `, 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] closure: testing closures with 'for' control variable", function (t) {
+    let luaCode = `
+        a = {}
+        for i=1,10 do
+          a[i] = {set = function(x) i=x end, get = function () return i end}
+          if i == 3 then break end
+        end
+        assert(a[4] == nil)
+        a[1].set(10)
+        assert(a[2].get() == 2)
+        a[2].set('a')
+        assert(a[3].get() == 3)
+        assert(a[2].get() == 'a')
+
+        a = {}
+        local t = {"a", "b"}
+        for i = 1, #t do
+          local k = t[i]
+          a[i] = {set = function(x, y) i=x; k=y end,
+                  get = function () return i, k end}
+          if i == 2 then break end
+        end
+        a[1].set(10, 20)
+        local r,s = a[2].get()
+        assert(r == 2 and s == 'b')
+        r,s = a[1].get()
+        assert(r == 10 and s == 20)
+        a[2].set('a', 'b')
+        r,s = a[2].get()
+        assert(r == "a" and s == "b")
+    `, 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] closure: testing closures with 'for' control variable x break", function (t) {
+    let luaCode = `
+        local t = {"a", "b"}
+
+        for i=1,3 do
+          f = function () return i end
+          break
+        end
+        assert(f() == 1)
+
+        for k = 1, #t do
+          local v = t[k]
+          f = function () return k, v end
+          break
+        end
+        assert(({f()})[1] == 1)
+        assert(({f()})[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] closure: testing closure x break x return x errors", function (t) {
+    let luaCode = `
+        local b
+        function f(x)
+          local first = 1
+          while 1 do
+            if x == 3 and not first then return end
+            local a = 'xuxu'
+            b = function (op, y)
+                  if op == 'set' then
+                    a = x+y
+                  else
+                    return a
+                  end
+                end
+            if x == 1 then do break end
+            elseif x == 2 then return
+            else if x ~= 3 then error() end
+            end
+            first = nil
+          end
+        end
+
+        for i=1,3 do
+          f(i)
+          assert(b('get') == 'xuxu')
+          b('set', 10); assert(b('get') == 10+i)
+          b = nil
+        end
+
+        pcall(f, 4);
+        assert(b('get') == 'xuxu')
+        b('set', 10); assert(b('get') == 14)
+    `, 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] closure: testing multi-level closure", function (t) {
+    let luaCode = `
+        local w
+        function f(x)
+          return function (y)
+            return function (z) return w+x+y+z end
+          end
+        end
+
+        y = f(10)
+        w = 1.345
+        assert(y(20)(30) == 60+w)
+    `, 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] closure: testing closures x repeat-until", function (t) {
+    let luaCode = `
+        local a = {}
+        local i = 1
+        repeat
+          local x = i
+          a[i] = function () i = x+1; return x end
+        until i > 10 or a[i]() ~= x
+        assert(i == 11 and a[1]() == 1 and a[3]() == 3 and i == 4)
+    `, 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] closure: testing closures created in 'then' and 'else' parts of 'if's", function (t) {
+    let luaCode = `
+        a = {}
+        for i = 1, 10 do
+          if i % 3 == 0 then
+            local y = 0
+            a[i] = function (x) local t = y; y = x; return t end
+          elseif i % 3 == 1 then
+            goto L1
+            error'not here'
+          ::L1::
+            local y = 1
+            a[i] = function (x) local t = y; y = x; return t end
+          elseif i % 3 == 2 then
+            local t
+            goto l4
+            ::l4a:: a[i] = t; goto l4b
+            error("should never be here!")
+            ::l4::
+            local y = 2
+            t = function (x) local t = y; y = x; return t end
+            goto l4a
+            error("should never be here!")
+            ::l4b::
+          end
+        end
+
+        for i = 1, 10 do
+          assert(a[i](i * 10) == i % 3 and a[i]() == i * 10)
+        end
+    `, 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] closure: test for correctly closing upvalues in tail calls of vararg functions", function (t) {
+    let luaCode = `
+        local function t ()
+          local function c(a,b) assert(a=="test" and b=="OK") end
+          local function v(f, ...) c("test", f() ~= 1 and "FAILED" or "OK") end
+          local x = 1
+          return v(function() return x end)
+        end
+        t()
+    `, 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");
+
+});