From 4a0bb3d7c53c2a914649087bf206d52ed5768576 Mon Sep 17 00:00:00 2001
From: Ville Penttinen <villem.penttinen@gmail.com>
Date: Thu, 7 Mar 2019 10:32:39 +0200
Subject: Add support for goto definition and hover on Self

This fixes #943
---
 crates/ra_ide_api/src/hover.rs | 58 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)

(limited to 'crates/ra_ide_api/src/hover.rs')

diff --git a/crates/ra_ide_api/src/hover.rs b/crates/ra_ide_api/src/hover.rs
index 638c24e31..f14001e84 100644
--- a/crates/ra_ide_api/src/hover.rs
+++ b/crates/ra_ide_api/src/hover.rs
@@ -557,4 +557,62 @@ mod tests {
         assert_eq!(trim_markup_opt(hover.info.first()), Some("const C: u32"));
         assert_eq!(hover.info.is_exact(), true);
     }
+
+    #[test]
+    fn test_hover_self() {
+        let (analysis, position) = single_file_with_position(
+            "
+            struct Thing { x: u32 };
+            impl Thing {
+                fn new() -> Self {
+                    Self<|> { x: 0 }
+                }
+            }
+        ",
+        );
+        let hover = analysis.hover(position).unwrap().unwrap();
+        assert_eq!(trim_markup_opt(hover.info.first()), Some("struct Thing"));
+        assert_eq!(hover.info.is_exact(), true);
+
+        let (analysis, position) = single_file_with_position(
+            "
+            struct Thing { x: u32 };
+            impl Thing {
+                fn new() -> Self<|> {
+                    Self { x: 0 }
+                }
+            }
+            ",
+        );
+        let hover = analysis.hover(position).unwrap().unwrap();
+        assert_eq!(trim_markup_opt(hover.info.first()), Some("struct Thing"));
+        assert_eq!(hover.info.is_exact(), true);
+
+        let (analysis, position) = single_file_with_position(
+            "
+            enum Thing { A };
+            impl Thing {
+                pub fn new() -> Self<|> {
+                    Thing::A
+                }
+            }
+            ",
+        );
+        let hover = analysis.hover(position).unwrap().unwrap();
+        assert_eq!(trim_markup_opt(hover.info.first()), Some("enum Thing"));
+        assert_eq!(hover.info.is_exact(), true);
+
+        let (analysis, position) = single_file_with_position(
+            "
+            enum Thing { A };
+            impl Thing {
+                pub fn thing(a: Self<|>) {
+                }
+            }
+            ",
+        );
+        let hover = analysis.hover(position).unwrap().unwrap();
+        assert_eq!(trim_markup_opt(hover.info.first()), Some("enum Thing"));
+        assert_eq!(hover.info.is_exact(), true);
+    }
 }
-- 
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