From c4173bb468500f6490921e8f8627d87b2aeb7af5 Mon Sep 17 00:00:00 2001
From: Edwin Cheng <edwin0cheng@gmail.com>
Date: Sat, 17 Apr 2021 14:31:52 +0800
Subject: Handle extended key value attr in mbe

---
 crates/mbe/src/tests/expand.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'crates/mbe/src')

diff --git a/crates/mbe/src/tests/expand.rs b/crates/mbe/src/tests/expand.rs
index e02d038b6..146b236e2 100644
--- a/crates/mbe/src/tests/expand.rs
+++ b/crates/mbe/src/tests/expand.rs
@@ -940,6 +940,24 @@ fn test_meta_doc_comments() {
     );
 }
 
+#[test]
+fn test_meta_extended_key_value_attributes() {
+    parse_macro(
+        r#"
+macro_rules! foo {
+    (#[$i:meta]) => (
+        #[$ i]
+        fn bar() {}
+    )
+}
+"#,
+    )
+    .assert_expand_items(
+        r#"foo! { #[doc = concat!("The `", "bla", "` lang item.")] }"#,
+        r#"# [doc = concat ! ("The `" , "bla" , "` lang item.")] fn bar () {}"#,
+    );
+}
+
 #[test]
 fn test_meta_doc_comments_non_latin() {
     parse_macro(
-- 
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