add tests for async-test macro

futures-macro/src/executor.rs

@@ -3,10 +3,11 @@ use quote::quote;
 
 pub(crate) fn test(args: TokenStream, item: TokenStream) -> TokenStream {
     if !args.is_empty() {
-        return syn::Error::new_spanned(args, "invalid argument"))
+        return syn::Error::new_spanned(proc_macro2::TokenStream::from(args), "invalid argument")
             .to_compile_error()
             .into();
     }
+
     let mut input = syn::parse_macro_input!(item as syn::ItemFn);
     let attrs = &input.attrs;
     let vis = &input.vis;

futures/tests/test_macro.rs

@@ -0,0 +1,18 @@
+#[cfg(test)]
+mod tests {
+    #[futures_test::test]
+    async fn it_works() {
+        let fut = async { true };
+        assert!(fut.await);
+
+        let fut = async { false };
+        assert!(!fut.await);
+    }
+
+    #[futures_test::test]
+    #[should_panic]
+    async fn it_is_being_run() {
+        let fut = async { false };
+        assert!(fut.await);
+    }
+}