From d4e75312ba64c2541e0d97b9ad8d6e2a735882a4 Mon Sep 17 00:00:00 2001
From: vsrs <vit@conrlab.com>
Date: Wed, 10 Jun 2020 22:58:25 +0300
Subject: Add associated type test.

---
 .vscode/launch.json        |  8 ++++++-
 Cargo.toml                 |  2 +-
 crates/ra_ide/src/hover.rs | 57 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 65 insertions(+), 2 deletions(-)

diff --git a/.vscode/launch.json b/.vscode/launch.json
index 8ca27d878..7a2c033cb 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -120,6 +120,12 @@
       "sourceMaps": true,
       "outFiles": [ "${workspaceFolder}/editors/code/out/tests/unit/**/*.js" ],
       "preLaunchTask": "Pretest"
-    }
+    },
+    {
+      "name": "(Windows) Attach",
+      "type": "cppvsdbg",
+      "request": "attach",
+      "processId": "${command:pickProcess}"
+    }  
   ]
 }
diff --git a/Cargo.toml b/Cargo.toml
index 5278b5a16..a5f68f7fe 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ members = [ "crates/*", "xtask/" ]
 [profile.dev]
 # disabling debug info speeds up builds a bunch,
 # and we don't rely on it for debugging that much.
-debug = 0
+debug = 2
 
 [profile.release]
 incremental = true
diff --git a/crates/ra_ide/src/hover.rs b/crates/ra_ide/src/hover.rs
index c4ee2ff79..2a06006e1 100644
--- a/crates/ra_ide/src/hover.rs
+++ b/crates/ra_ide/src/hover.rs
@@ -2080,4 +2080,61 @@ fn func(foo: i32) { if true { <|>foo; }; }
             ]
             "###);
     }
+
+    #[test]
+    fn test_hover_associated_type_has_goto_type_action() {
+        let (_, actions) = check_hover_result(
+            "
+            //- /main.rs
+            trait Foo {
+                type Item;
+                fn get(self) -> Self::Item {}
+            }
+
+            struct Bar{}
+            struct S{}
+
+            impl Foo for S{
+                type Item = Bar;
+            }
+
+            fn test() -> impl Foo {
+                S{}
+            }
+
+            fn main() {
+                let s<|>t = test().get();
+            }
+            ",
+            &["Foo::Item<impl Foo>"],
+        );
+        assert_debug_snapshot!(actions,
+            @r###"
+            [
+                GoToType(
+                    [
+                        HoverGotoTypeData {
+                            mod_path: "Foo",
+                            nav: NavigationTarget {
+                                file_id: FileId(
+                                    1,
+                                ),
+                                full_range: 0..62,
+                                name: "Foo",
+                                kind: TRAIT_DEF,
+                                focus_range: Some(
+                                    6..9,
+                                ),
+                                container_name: None,
+                                description: Some(
+                                    "trait Foo",
+                                ),
+                                docs: None,
+                            },
+                        },
+                    ],
+                ),
+            ]
+            "###);
+    }
 }
-- 
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