1 files changed, 64 insertions, 1 deletions

diff --git a/crates/ra_ide/src/completion/complete_dot.rs b/crates/ra_ide/src/completion/complete_dot.rs
index f275305e2..f07611d88 100644
--- a/crates/ra_ide/src/completion/complete_dot.rs
+++ b/crates/ra_ide/src/completion/complete_dot.rs
@@ -70,7 +70,7 @@ fn complete_methods(acc: &mut Completions, ctx: &CompletionContext, receiver: &T
 
 #[cfg(test)]
 mod tests {
-    use crate::completion::{do_completion, CompletionItem, CompletionKind};
+    use crate::completion::{test_utils::do_completion, CompletionItem, CompletionKind};
     use insta::assert_debug_snapshot;
 
     fn do_ref_completion(code: &str) -> Vec<CompletionItem> {
@@ -402,6 +402,38 @@ mod tests {
     }
 
     #[test]
+    fn completes_trait_method_from_other_module() {
+        assert_debug_snapshot!(
+            do_ref_completion(
+                r"
+            struct A {}
+            mod m {
+                pub trait Trait { fn the_method(&self); }
+            }
+            use m::Trait;
+            impl Trait for A {}
+            fn foo(a: A) {
+               a.<|>
+            }
+            ",
+            ),
+            @r###"
+        [
+            CompletionItem {
+                label: "the_method()",
+                source_range: [219; 219),
+                delete: [219; 219),
+                insert: "the_method()$0",
+                kind: Method,
+                lookup: "the_method",
+                detail: "fn the_method(&self)",
+            },
+        ]
+        "###
+        );
+    }
+
+    #[test]
     fn test_no_non_self_method() {
         assert_debug_snapshot!(
         do_ref_completion(
@@ -718,4 +750,35 @@ mod tests {
         "###
         );
     }
+
+    #[test]
+    fn test_method_completion_3547() {
+        assert_debug_snapshot!(
+            do_ref_completion(
+                r"
+            struct HashSet<T> {}
+            impl<T> HashSet<T> {
+                pub fn the_method(&self) {}
+            }
+            fn foo() {
+                let s: HashSet<_>;
+                s.<|>
+            }
+            ",
+            ),
+            @r###"
+        [
+            CompletionItem {
+                label: "the_method()",
+                source_range: [201; 201),
+                delete: [201; 201),
+                insert: "the_method()$0",
+                kind: Method,
+                lookup: "the_method",
+                detail: "pub fn the_method(&self)",
+            },
+        ]
+        "###
+        );
+    }
 }