test: added do_file test

Author: thiago-rezende

tests/assets/script.lua

@@ -0,0 +1,4 @@
+-- Siple script to print 'Hello Lua'
+require('io')
+
+io.write('Hello Lua!')

tests/meson.build

@@ -1,5 +1,6 @@
 tests_src = {
-    'simple': ['src/simple.c']
+    'simple': ['src/simple.c'],
+    'do_file': ['src/do_file.c']
 }
 
 tests_inc = include_directories(['include'])

tests/src/do_file.c

@@ -0,0 +1,26 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "lua.h"
+#include "lualib.h"
+#include "lauxlib.h"
+
+int main(int argc, char **argv)
+{
+    int result;
+    lua_State *L = luaL_newstate();
+    luaL_openlibs(L);
+
+    result = luaL_dofile(L, "../tests/assets/script.lua");
+
+    if (result != LUA_OK)
+    {
+        fprintf(stderr, "Error: %s\n", lua_tostring(L, -1));
+        lua_pop(L, 1);
+        return 1;
+    }
+
+    lua_close(L);
+
+    return 0;
+}