setmetatable, getmetatable

1 files changed, 85 insertions, 0 deletions

diff --git a/tests/lbaselib.js b/tests/lbaselib.js
new file mode 100644
index 0000000..3ddec2d
--- /dev/null
+++ b/tests/lbaselib.js
@@ -0,0 +1,85 @@
+/*jshint esversion: 6 */
+"use strict";
+
+const test       = require('tape');
+const beautify   = require('js-beautify').js_beautify;
+
+const tests      = require("./tests.js");
+const getState   = tests.getState;
+const toByteCode = tests.toByteCode;
+
+const VM         = require("../src/lvm.js");
+const ldo        = require("../src/ldo.js");
+const lapi       = require("../src/lapi.js");
+const lauxlib    = require("../src/lauxlib.js");
+const lua        = require('../src/lua.js');
+const linit      = require('../src/linit.js');
+const CT         = lua.constant_types;
+
+
+test('print', function (t) {
+    let luaCode = `
+        print("hello", "world", 123)
+    `, L;
+    
+    t.plan(1);
+
+    t.doesNotThrow(function () {
+
+        let bc = toByteCode(luaCode).dataView;
+
+        L = lauxlib.luaL_newstate();
+
+        linit.luaL_openlibs(L);
+
+        lapi.lua_load(L, bc, "test-print");
+
+        lapi.lua_call(L, 0, 1);
+
+    }, "JS Lua program ran without error");
+});
+
+
+test('setmetatable, getmetatable', function (t) {
+    let luaCode = `
+        local mt = {
+            __index = function ()
+                print("hello")
+                return "hello"
+            end
+        }
+
+        local t = {}
+
+        setmetatable(t, mt);
+
+        return t[1], getmetatable(t)
+    `, L;
+    
+    t.plan(3);
+
+    t.doesNotThrow(function () {
+
+        let bc = toByteCode(luaCode).dataView;
+
+        L = lauxlib.luaL_newstate();
+
+        linit.luaL_openlibs(L);
+
+        lapi.lua_load(L, bc, "test-setmetatable-getmetatable");
+
+        lapi.lua_call(L, 0, -1);
+
+    }, "JS Lua program ran without error");
+
+    t.strictEqual(
+        lapi.lua_tostring(L, -2),
+        "hello",
+        "Correct element(s) on the stack"
+    );
+
+    t.ok(
+        lapi.lua_istable(L, -1),
+        "Correct element(s) on the stack"
+    );
+});
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