From cbbbd4832582256820695bb73fdb4ca125f1b1f9 Mon Sep 17 00:00:00 2001
From: Timo Freiberg <timo.freiberg@gmail.com>
Date: Sun, 10 May 2020 18:09:22 +0200
Subject: Omit default types in HirDisplay SourceCode mode

---
 crates/ra_hir_ty/src/tests/display_source_code.rs | 27 +++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'crates/ra_hir_ty/src/tests/display_source_code.rs')

diff --git a/crates/ra_hir_ty/src/tests/display_source_code.rs b/crates/ra_hir_ty/src/tests/display_source_code.rs
index ca1748615..4088b1d22 100644
--- a/crates/ra_hir_ty/src/tests/display_source_code.rs
+++ b/crates/ra_hir_ty/src/tests/display_source_code.rs
@@ -21,3 +21,30 @@ fn bar() {
     );
     assert_eq!("foo::Foo", displayed_source_at_pos(&db, pos));
 }
+
+#[test]
+fn omit_default_type_parameters() {
+    let (db, pos) = TestDB::with_position(
+        r"
+        //- /main.rs
+        struct Foo<T = u8> { t: T }
+        fn main() {
+            let foo = Foo { t: 5 };
+            foo<|>;
+        }
+        ",
+    );
+    assert_eq!("Foo", displayed_source_at_pos(&db, pos));
+
+    let (db, pos) = TestDB::with_position(
+        r"
+        //- /main.rs
+        struct Foo<K, T = u8> { k: K, t: T }
+        fn main() {
+            let foo = Foo { k: 400, t: 5 };
+            foo<|>;
+        }
+        ",
+    );
+    assert_eq!("Foo<i32>", displayed_source_at_pos(&db, pos));
+}
-- 
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