src/lapi.js, src/lauxlib.js: lua_tointeger should return 0 when conversion fails for luaL_ref to work

1 files changed, 30 insertions, 0 deletions

diff --git a/tests/lauxlib.js b/tests/lauxlib.js
new file mode 100644
index 0000000..4e37296
--- /dev/null
+++ b/tests/lauxlib.js
@@ -0,0 +1,30 @@
+"use strict";
+
+const test       = require('tape');
+
+global.WEB = false;
+
+const lua        = require('../src/lua.js');
+const lauxlib    = require("../src/lauxlib.js");
+
+test('luaL_ref, lua_rawgeti, luaL_unref, LUA_REGISTRYINDEX', function (t) {
+    let L;
+
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+        L = lauxlib.luaL_newstate();
+        lua.lua_pushstring(L, lua.to_luastring("hello references!"));
+
+        let r = lauxlib.luaL_ref(L, lua.LUA_REGISTRYINDEX); // pops a value, stores it and returns a reference
+        lua.lua_rawgeti(L, lua.LUA_REGISTRYINDEX, r); // pushes a value associated with the reference
+        lauxlib.luaL_unref(L, lua.LUA_REGISTRYINDEX, r); // releases the reference
+
+    }, "JS Lua program ran without error");
+
+    t.strictEqual(
+        lua.lua_tojsstring(L, -1),
+        "hello references!",
+        "top is correct"
+    );
+});