[test-suite] locals.js

2 files changed, 266 insertions, 20 deletions

diff --git a/tests/test-suite/locals.js b/tests/test-suite/locals.js
new file mode 100644
index 0000000..93dd27c
--- /dev/null
+++ b/tests/test-suite/locals.js
@@ -0,0 +1,248 @@
+"use strict";
+
+const test     = require('tape');
+
+const lauxlib  = require("../../src/lauxlib.js");
+const lua      = require('../../src/lua.js');
+
+
+test('[test-suite] locals: bug in 5.1', function (t) {
+    let luaCode = `
+        local function f(x) x = nil; return x end
+        assert(f(10) == nil)
+
+        local function f() local x; return x end
+        assert(f(10) == nil)
+
+        local function f(x) x = nil; local y; return x, y end
+        assert(f(10) == nil and select(2, f(20)) == 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] locals: local scope', function (t) {
+    let luaCode = `
+        do
+          local i = 10
+          do local i = 100; assert(i==100) end
+          do local i = 1000; assert(i==1000) end
+          assert(i == 10)
+          if i ~= 10 then
+            local i = 20
+          else
+            local i = 30
+            assert(i == 30)
+          end
+        end
+
+        f = nil
+
+        local f
+        x = 1
+
+        a = nil
+        load('local a = {}')()
+        assert(a == nil)
+
+        function f (a)
+          local _1, _2, _3, _4, _5
+          local _6, _7, _8, _9, _10
+          local x = 3
+          local b = a
+          local c,d = a,b
+          if (d == b) then
+            local x = 'q'
+            x = b
+            assert(x == 2)
+          else
+            assert(nil)
+          end
+          assert(x == 3)
+          local f = 10
+        end
+
+        local b=10
+        local a; repeat local b; a,b=1,2; assert(a+1==b); until a+b==3
+
+
+        assert(x == 1)
+
+        f(2)
+        assert(type(f) == 'function')
+    `, 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");
+
+});
+
+
+const getenv = `
+    local function getenv (f)
+      local a,b = debug.getupvalue(f, 1)
+      assert(a == '_ENV')
+      return b
+    end
+`;
+
+
+test('[test-suite] locals: test for global table of loaded chunks', function (t) {
+    let luaCode = `
+        assert(getenv(load"a=3") == _G)
+        local c = {}; local f = load("a = 3", nil, nil, c)
+        assert(getenv(f) == c)
+        assert(c.a == nil)
+        f()
+        assert(c.a == 3)
+    `, L;
+    
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        L = lauxlib.luaL_newstate();
+
+        lauxlib.luaL_openlibs(L);
+
+        lauxlib.luaL_loadstring(L, lua.to_luastring(getenv + luaCode));
+
+    }, "Lua program loaded without error");
+
+    t.doesNotThrow(function () {
+
+        lua.lua_call(L, 0, -1);
+
+    }, "Lua program ran without error");
+
+});
+
+
+test('[test-suite] locals: old test for limits for special instructions (now just a generic test)', function (t) {
+    let luaCode = `
+        do
+          local i = 2
+          local p = 4    -- p == 2^i
+          repeat
+            for j=-3,3 do
+              assert(load(string.format([[local a=%s;
+                                                a=a+%s;
+                                                assert(a ==2^%s)]], j, p-j, i), '')) ()
+              assert(load(string.format([[local a=%s;
+                                                a=a-%s;
+                                                assert(a==-2^%s)]], -j, p-j, i), '')) ()
+              assert(load(string.format([[local a,b=0,%s;
+                                                a=b-%s;
+                                                assert(a==-2^%s)]], -j, p-j, i), '')) ()
+            end
+            p = 2 * p;  i = i + 1
+          until p <= 0
+        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] locals: testing lexical environments', function (t) {
+    let luaCode = `
+        assert(_ENV == _G)
+
+        do
+          local dummy
+          local _ENV = (function (...) return ... end)(_G, dummy)   -- {
+  
+          do local _ENV = {assert=assert}; assert(true) end
+          mt = {_G = _G}
+          local foo,x
+          A = false    -- "declare" A
+          do local _ENV = mt
+            function foo (x)
+              A = x
+              do local _ENV =  _G; A = 1000 end
+              return function (x) return A .. x end
+            end
+          end
+          assert(getenv(foo) == mt)
+          x = foo('hi'); assert(mt.A == 'hi' and A == 1000)
+          assert(x('*') == mt.A .. '*')
+  
+          do local _ENV = {assert=assert, A=10};
+            do local _ENV = {assert=assert, A=20};
+              assert(A==20);x=A
+            end
+            assert(A==10 and x==20)
+          end
+          assert(x==20)
+        end
+    `, L;
+    
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        L = lauxlib.luaL_newstate();
+
+        lauxlib.luaL_openlibs(L);
+
+        lauxlib.luaL_loadstring(L, lua.to_luastring(getenv + luaCode));
+
+    }, "Lua program loaded without error");
+
+    t.doesNotThrow(function () {
+
+        lua.lua_call(L, 0, -1);
+
+    }, "Lua program ran without error");
+
+});
diff --git a/tests/test-suite/strings.js b/tests/test-suite/strings.js
index 471f6d0..48f742c 100644
--- a/tests/test-suite/strings.js
+++ b/tests/test-suite/strings.js
@@ -2,11 +2,9 @@
 
 const test     = require('tape');
 
-const lapi     = require("../../src/lapi.js");
 const lauxlib  = require("../../src/lauxlib.js");
 const lua      = require('../../src/lua.js');
 
-
 const checkerror = `
     local maxi, mini = math.maxinteger, math.mininteger
 
@@ -51,7 +49,7 @@ test('[test-suite] strings: string comparisons', function (t) {
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");
 
@@ -93,7 +91,7 @@ test('[test-suite] strings: string.sub', function (t) {
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");
 
@@ -131,7 +129,7 @@ test('[test-suite] strings: string.find', function (t) {
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");
 
@@ -163,7 +161,7 @@ test('[test-suite] strings: string.len and #', function (t) {
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");
 
@@ -220,7 +218,7 @@ test('[test-suite] strings: string.byte/string.char', function (t) {
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");
 
@@ -257,7 +255,7 @@ test('[test-suite] strings: repetitions with separator', function (t) {
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");
 
@@ -309,7 +307,7 @@ test('[test-suite] strings: tostring', function (t) {
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");
 
@@ -356,7 +354,7 @@ test('[test-suite] strings: string.format', function (t) {
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");
 
@@ -397,7 +395,7 @@ test('[test-suite] strings: %q', function (t) {
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");
 
@@ -424,7 +422,7 @@ test('[test-suite] strings: embedded zeros error', function (t) {
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");
 
@@ -467,7 +465,7 @@ test('[test-suite] strings: format x tostring', function (t) {
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");
 
@@ -504,7 +502,7 @@ test('[test-suite] strings: longest number that can be formatted', function (t)
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");
 
@@ -553,7 +551,7 @@ test('[test-suite] strings: large numbers for format', function (t) {
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");
 
@@ -610,7 +608,7 @@ test("[test-suite] strings: 'format %a %A'", function (t) {
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");
 
@@ -650,7 +648,7 @@ test("[test-suite] strings: errors in format", function (t) {
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");
 
@@ -701,7 +699,7 @@ test("[test-suite] strings: table.concat", function (t) {
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");
 
@@ -758,7 +756,7 @@ if (false) {
 
         t.doesNotThrow(function () {
 
-            lapi.lua_call(L, 0, -1);
+            lua.lua_call(L, 0, -1);
 
         }, "Lua program ran without error");
 
@@ -790,7 +788,7 @@ test("[test-suite] strings: bug in Lua 5.3.2: 'gmatch' iterator does not work ac
 
     t.doesNotThrow(function () {
 
-        lapi.lua_call(L, 0, -1);
+        lua.lua_call(L, 0, -1);
 
     }, "Lua program ran without error");