1 files changed, 24 insertions, 0 deletions

diff --git a/crates/ra_mbe/src/lib.rs b/crates/ra_mbe/src/lib.rs
index d7462d09d..ae8a62036 100644
--- a/crates/ra_mbe/src/lib.rs
+++ b/crates/ra_mbe/src/lib.rs
@@ -762,4 +762,28 @@ MACRO_ITEMS@[0; 40)
             r#"# [cfg (target_os = "windows")] fn bar () {}"#,
         );
     }
+
+    #[test]
+    fn test_tt_block() {
+        let rules = create_rules(
+            r#"
+        macro_rules! foo {
+            ($ i:tt) => { fn foo() $ i }
+        }
+"#,
+        );
+        assert_expansion(&rules, r#"foo! { { 1; } }"#, r#"fn foo () {1 ;}"#);
+    }
+
+    #[test]
+    fn test_tt_group() {
+        let rules = create_rules(
+            r#"
+        macro_rules! foo {
+             ($($ i:tt)*) => { $($ i)* }
+        }
+"#,
+        );
+        assert_expansion(&rules, r#"foo! { fn foo() {} }"#, r#"fn foo () {}"#);
+    }
 }