From 53d05448c1d44b3ac2a46d54b40c3f2653fa0312 Mon Sep 17 00:00:00 2001
From: Edwin Cheng <edwin0cheng@gmail.com>
Date: Wed, 8 Apr 2020 18:34:20 +0800
Subject: Add L_DOLLAR for TYPE_RECOVERY_SET

---
 crates/ra_mbe/src/tests.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'crates/ra_mbe/src/tests.rs')

diff --git a/crates/ra_mbe/src/tests.rs b/crates/ra_mbe/src/tests.rs
index a7fcea0ac..254318e23 100644
--- a/crates/ra_mbe/src/tests.rs
+++ b/crates/ra_mbe/src/tests.rs
@@ -1614,6 +1614,23 @@ fn test_issue_2520() {
     );
 }
 
+#[test]
+fn test_issue_3861() {
+    let macro_fixture = parse_macro(
+        r#"
+        macro_rules! rgb_color {
+            ($p:expr, $t: ty) => {
+                pub fn new() {
+                    let _ = 0 as $t << $p;
+                }
+            };
+        }
+    "#,
+    );
+
+    macro_fixture.expand_items(r#"rgb_color!(8 + 8, u32);"#);
+}
+
 #[test]
 fn test_repeat_bad_var() {
     // FIXME: the second rule of the macro should be removed and an error about
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