From db5f73d261413f03e4e3a4a374f8306fe8ae5578 Mon Sep 17 00:00:00 2001
From: Edwin Cheng <edwin0cheng@gmail.com>
Date: Sun, 12 Jan 2020 19:24:34 +0800
Subject: Add test

---
 crates/ra_ide/src/impls.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/crates/ra_ide/src/impls.rs b/crates/ra_ide/src/impls.rs
index 9b165ee2a..31195036e 100644
--- a/crates/ra_ide/src/impls.rs
+++ b/crates/ra_ide/src/impls.rs
@@ -203,4 +203,16 @@ mod tests {
             ],
         );
     }
+
+    #[test]
+    fn goto_implementation_to_builtin_derive() {
+        check_goto(
+            "
+            //- /lib.rs
+            #[derive(Copy)]
+            struct Foo<|>;            
+            ",
+            &["impl IMPL_BLOCK FileId(1) [0; 15)"],
+        );
+    }
 }
-- 
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