Initial Luau support

7 files changed, 33 insertions, 21 deletions

diff --git a/tests/async.rs b/tests/async.rs
index dead884..2bfde03 100644
--- a/tests/async.rs
+++ b/tests/async.rs
@@ -299,7 +299,7 @@ async fn test_async_userdata() -> Result<()> {
                 Ok(format!("elapsed:{}ms", n))
             });
 
-            #[cfg(not(feature = "lua51"))]
+            #[cfg(not(any(feature = "lua51", feature = "luau")))]
             methods.add_async_meta_method(mlua::MetaMethod::Call, |_, data, ()| async move {
                 let n = data.0.load(Ordering::Relaxed);
                 Delay::new(Duration::from_millis(n)).await;
@@ -363,7 +363,7 @@ async fn test_async_userdata() -> Result<()> {
     .exec_async()
     .await?;
 
-    #[cfg(not(feature = "lua51"))]
+    #[cfg(not(any(feature = "lua51", feature = "luau")))]
     lua.load(
         r#"
         userdata:set_value(15)
diff --git a/tests/function.rs b/tests/function.rs
index a7bdd9f..f245c37 100644
--- a/tests/function.rs
+++ b/tests/function.rs
@@ -93,6 +93,7 @@ fn test_c_function() -> Result<()> {
     Ok(())
 }
 
+#[cfg(not(feature = "luau"))]
 #[test]
 fn test_dump() -> Result<()> {
     let lua = unsafe { Lua::unsafe_new() };
diff --git a/tests/hooks.rs b/tests/hooks.rs
index 3e8e876..8c44b5d 100644
--- a/tests/hooks.rs
+++ b/tests/hooks.rs
@@ -1,3 +1,5 @@
+#![cfg(not(feature = "luau"))]
+
 use std::cell::RefCell;
 use std::ops::Deref;
 use std::str;
diff --git a/tests/memory.rs b/tests/memory.rs
index 45332f4..36d094e 100644
--- a/tests/memory.rs
+++ b/tests/memory.rs
@@ -41,7 +41,12 @@ fn test_gc_control() -> Result<()> {
     #[cfg(feature = "lua54")]
     assert_eq!(lua.gc_gen(0, 0), mlua::GCMode::Incremental);
 
-    #[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
+    #[cfg(any(
+        feature = "lua54",
+        feature = "lua53",
+        feature = "lua52",
+        feature = "luau"
+    ))]
     {
         assert!(lua.gc_is_running());
         lua.gc_stop();
diff --git a/tests/tests.rs b/tests/tests.rs
index 6c6b132..2d99911 100644
--- a/tests/tests.rs
+++ b/tests/tests.rs
@@ -11,6 +11,7 @@ use mlua::{
     UserData, Value, Variadic,
 };
 
+#[cfg(not(feature = "luau"))]
 #[test]
 fn test_safety() -> Result<()> {
     let lua = Lua::new();
@@ -120,6 +121,7 @@ fn test_exec() -> Result<()> {
         "#,
         )
         .eval()?;
+    println!("checkpoint");
     assert!(module.contains_key("func")?);
     assert_eq!(
         module.get::<_, Function>("func")?.call::<_, String>(())?,
@@ -150,6 +152,7 @@ fn test_eval() -> Result<()> {
     Ok(())
 }
 
+#[cfg(not(feature = "luau"))]
 #[test]
 fn test_load_mode() -> Result<()> {
     let lua = unsafe { Lua::unsafe_new() };
@@ -250,15 +253,7 @@ fn test_error() -> Result<()> {
         }
     }
 
-    impl error::Error for TestError {
-        fn description(&self) -> &str {
-            "test error"
-        }
-
-        fn cause(&self) -> Option<&dyn error::Error> {
-            None
-        }
-    }
+    impl error::Error for TestError {}
 
     let lua = Lua::new();
 
@@ -295,8 +290,8 @@ fn test_error() -> Result<()> {
             end, 3)
 
             local function handler(err)
-                if string.match(_VERSION, ' 5%.1$') or string.match(_VERSION, ' 5%.2$') then
-                    -- Special case for Lua 5.1/5.2
+                if string.match(_VERSION, ' 5%.1$') or string.match(_VERSION, ' 5%.2$') or _VERSION == "Luau" then
+                    -- Special case for Lua 5.1/5.2 and Luau
                     local caps = string.match(err, ': (%d+)$')
                     if caps then
                         err = caps
@@ -1096,7 +1091,11 @@ fn test_context_thread() -> Result<()> {
     ))]
     f.call::<_, ()>(lua.current_thread())?;
 
-    #[cfg(any(feature = "lua51", all(feature = "luajit", not(feature = "luajit52"))))]
+    #[cfg(any(
+        feature = "lua51",
+        all(feature = "luajit", not(feature = "luajit52")),
+        feature = "luau"
+    ))]
     f.call::<_, ()>(Nil)?;
 
     Ok(())
@@ -1170,6 +1169,7 @@ fn test_load_from_function() -> Result<()> {
     Ok(())
 }
 
+#[cfg(not(feature = "luau"))]
 #[test]
 fn test_inspect_stack() -> Result<()> {
     let lua = Lua::new();
diff --git a/tests/thread.rs b/tests/thread.rs
index ab687ad..5873680 100644
--- a/tests/thread.rs
+++ b/tests/thread.rs
@@ -155,7 +155,8 @@ fn test_coroutine_from_closure() -> Result<()> {
         feature = "lua54",
         feature = "lua53",
         feature = "lua52",
-        feature = "luajit"
+        feature = "luajit",
+        feature = "luau"
     ))]
     let thrd: Thread = lua.load("coroutine.create(main)").eval()?;
     #[cfg(feature = "lua51")]
diff --git a/tests/userdata.rs b/tests/userdata.rs
index cba2638..c78b1db 100644
--- a/tests/userdata.rs
+++ b/tests/userdata.rs
@@ -350,7 +350,7 @@ fn test_userdata_take() -> Result<()> {
 }
 
 #[test]
-fn test_destroy_userdata() -> Result<()> {
+fn test_userdata_destroy() -> Result<()> {
     struct MyUserdata(Arc<()>);
 
     impl UserData for MyUserdata {}
@@ -358,12 +358,15 @@ fn test_destroy_userdata() -> Result<()> {
     let rc = Arc::new(());
 
     let lua = Lua::new();
-    lua.globals().set("userdata", MyUserdata(rc.clone()))?;
+    let ud = lua.create_userdata(MyUserdata(rc.clone()))?;
+    ud.set_user_value(MyUserdata(rc.clone()))?;
+    lua.globals().set("userdata", ud)?;
 
-    assert_eq!(Arc::strong_count(&rc), 2);
+    assert_eq!(Arc::strong_count(&rc), 3);
 
-    // should destroy all objects
-    let _ = lua.globals().raw_remove("userdata")?;
+    // Should destroy all objects
+    lua.globals().raw_remove("userdata")?;
+    lua.gc_collect()?;
     lua.gc_collect()?;
 
     assert_eq!(Arc::strong_count(&rc), 1);