From 03b77b03fefa4dc260b5a63223db253706d41ca8 Mon Sep 17 00:00:00 2001
From: Lukas Wirth <lukastw97@gmail.com>
Date: Wed, 14 Oct 2020 01:39:58 +0200
Subject: Fix stackoverflow in insert_use::recursive_merge

---
 crates/assists/src/handlers/merge_imports.rs            | 14 ++++++++++++++
 .../src/handlers/replace_qualified_name_with_use.rs     | 17 +++++++++++++++++
 2 files changed, 31 insertions(+)

(limited to 'crates/assists/src/handlers')

diff --git a/crates/assists/src/handlers/merge_imports.rs b/crates/assists/src/handlers/merge_imports.rs
index fe33cee53..fd9c9e03c 100644
--- a/crates/assists/src/handlers/merge_imports.rs
+++ b/crates/assists/src/handlers/merge_imports.rs
@@ -72,6 +72,20 @@ mod tests {
 
     use super::*;
 
+    #[test]
+    fn test_merge_equal() {
+        check_assist(
+            merge_imports,
+            r"
+use std::fmt<|>::{Display, Debug};
+use std::fmt::{Display, Debug};
+",
+            r"
+use std::fmt::{Debug, Display};
+",
+        )
+    }
+
     #[test]
     fn test_merge_first() {
         check_assist(
diff --git a/crates/assists/src/handlers/replace_qualified_name_with_use.rs b/crates/assists/src/handlers/replace_qualified_name_with_use.rs
index e95b971a4..c50bc7604 100644
--- a/crates/assists/src/handlers/replace_qualified_name_with_use.rs
+++ b/crates/assists/src/handlers/replace_qualified_name_with_use.rs
@@ -123,6 +123,23 @@ mod tests {
 
     use super::*;
 
+    #[test]
+    fn test_replace_already_imported() {
+        check_assist(
+            replace_qualified_name_with_use,
+            r"use std::fs;
+
+fn main() {
+    std::f<|>s::Path
+}",
+            r"use std::fs;
+
+fn main() {
+    fs::Path
+}",
+        )
+    }
+
     #[test]
     fn test_replace_add_use_no_anchor() {
         check_assist(
-- 
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