From e8a12210e0a5a0d86b5bacfd10e673b36d56fb38 Mon Sep 17 00:00:00 2001
From: Benoit Giannangeli <benoit.giannangeli@boursorama.fr>
Date: Thu, 23 Feb 2017 15:14:11 +0100
Subject: coroutine.wrap

---
 README.md         | 34 +++-------------------------------
 src/lcorolib.js   |  2 +-
 tests/lcorolib.js | 37 +++++++++++++++++++++++++++++++++++++
 3 files changed, 41 insertions(+), 32 deletions(-)

diff --git a/README.md b/README.md
index 50c4d7e..714c482 100644
--- a/README.md
+++ b/README.md
@@ -17,10 +17,7 @@
         - [ ] float
     - [ ] userdata
     - [ ] thread
-- [ ] Tag Methods
-    - [x] ...
-    - [ ] `__tostring`
-    - [ ] `__pairs`
+- [x] Tag Methods
 - [ ] C API
     - [x] lua_absindex
     - [x] lua_atpanic
@@ -201,36 +198,11 @@
     - [ ] luaL_unref
 - [ ] Standard library
     - [ ] Base lib
-        - [x] assert
-        - [x] collectgarbage (unavailable)
-        - [x] error
-        - [x] getmetatable
-        - [x] ipairs
-        - [x] next
-        - [x] pairs
-        - [x] pcall
-        - [x] print
-        - [x] rawequal
-        - [x] rawget
-        - [x] rawlen
-        - [x] rawset
-        - [x] select
-        - [x] setmetatable
-        - [x] tonumber
-        - [x] tostring
-        - [x] type
-        - [x] xpcall
+        - [x] ...
         - [ ] dofile
         - [ ] loadfile
         - [ ] load
-    - [ ] Coroutine
-        - [x] coroutine.create
-        - [x] coroutine.isyieldable
-        - [x] coroutine.resume
-        - [x] coroutine.running
-        - [x] coroutine.status
-        - [x] coroutine.yield
-        - [ ] coroutine.wrap
+    - [x] Coroutine
 - [ ] Debug (errors)
 - [ ] DOM API binding
 - [ ] Parse Lua
diff --git a/src/lcorolib.js b/src/lcorolib.js
index 32532a6..05f3b00 100644
--- a/src/lcorolib.js
+++ b/src/lcorolib.js
@@ -62,7 +62,7 @@ const luaB_coresume = function(L) {
 };
 
 const luaB_auxwrap = function(L) {
-    let co = lapi.lua_tothread(L, lapi.lua_upvalueindex(1));
+    let co = lapi.lua_tothread(L, lua.lua_upvalueindex(1));
     let r = auxresume(L, co, lapi.lua_gettop(L));
     if (r < 0) {
         if (lapi.lua_type(L, -1) === CT.LUA_TSTRING) {  /* error object is a string? */
diff --git a/tests/lcorolib.js b/tests/lcorolib.js
index dfecd71..78024dd 100644
--- a/tests/lcorolib.js
+++ b/tests/lcorolib.js
@@ -181,4 +181,41 @@ test('coroutine.running', function (t) {
         lapi.lua_toboolean(L, -1),
         "Correct element(s) on the stack"
     );
+});
+
+
+test('coroutine.wrap', function (t) {
+    let luaCode = `
+        local co = coroutine.wrap(function (start)
+            local b = coroutine.yield(start * start);
+            coroutine.yield(b * b)
+        end)
+
+        pow = co(5)
+        pow = co(pow)
+
+        return pow
+    `, L;
+    
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        let bc = toByteCode(luaCode).dataView;
+
+        L = lauxlib.luaL_newstate();
+
+        linit.luaL_openlibs(L);
+
+        lapi.lua_load(L, bc, "test-coroutine.wrap");
+
+        lapi.lua_call(L, 0, -1);
+
+    }, "JS Lua program ran without error");
+
+    t.strictEqual(
+        lapi.lua_tonumber(L, -1),
+        625,
+        "Correct element(s) on the stack"
+    );
 });
\ No newline at end of file
-- 
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