1 files changed, 39 insertions, 0 deletions
diff --git a/tests/module/src/lib.rs b/tests/module/src/lib.rs
new file mode 100644
index 0000000..fdaf171
--- /dev/null
+++ b/tests/module/src/lib.rs
@@ -0,0 +1,39 @@
+use mlua::prelude::*;
+
+fn sum(_: &Lua, (a, b): (i64, i64)) -> LuaResult<i64> {
+    Ok(a + b)
+}
+
+fn used_memory(lua: &Lua, _: ()) -> LuaResult<usize> {
+    Ok(lua.used_memory())
+}
+
+fn check_userdata(_: &Lua, ud: MyUserData) -> LuaResult<i32> {
+    Ok(ud.0)
+}
+
+#[mlua::lua_module]
+fn rust_module(lua: &Lua) -> LuaResult<LuaTable> {
+    let exports = lua.create_table()?;
+    exports.set("sum", lua.create_function(sum)?)?;
+    exports.set("used_memory", lua.create_function(used_memory)?)?;
+    exports.set("check_userdata", lua.create_function(check_userdata)?)?;
+    Ok(exports)
+}
+
+#[derive(Clone, Copy)]
+struct MyUserData(i32);
+
+impl LuaUserData for MyUserData {}
+
+#[mlua::lua_module]
+fn rust_module_second(lua: &Lua) -> LuaResult<LuaTable> {
+    let exports = lua.create_table()?;
+    exports.set("userdata", lua.create_userdata(MyUserData(123))?)?;
+    Ok(exports)
+}
+
+#[mlua::lua_module]
+fn rust_module_error(_: &Lua) -> LuaResult<LuaTable> {
+    Err("custom module error".to_lua_err())
+}