Add tests checking no value completion in type pos

Author: Veykril

crates/ide_completion/src/completions.rs

@@ -204,6 +204,9 @@ impl Completions {
         variant: hir::Variant,
         local_name: Option<hir::Name>,
     ) {
+        if ctx.expects_type() {
+            return;
+        }
         let item = render_variant(RenderContext::new(ctx), None, local_name, variant, None);
         self.add(item);
     }

crates/ide_completion/src/completions/qualified_path.rs

@@ -198,6 +198,36 @@ mod tests {
         check(r#"use self::foo$0;"#, expect![[""]]);
     }
 
+    #[test]
+    fn dont_complete_values_in_type_pos() {
+        check(
+            r#"
+const FOO: () = ();
+static BAR: () = ();
+struct Baz;
+fn foo() {
+    let _: self::$0;
+}
+"#,
+            expect![[r#"
+                st Baz
+            "#]],
+        );
+    }
+
+    #[test]
+    fn dont_complete_enum_variants_in_type_pos() {
+        check(
+            r#"
+enum Foo { Bar }
+fn foo() {
+    let _: Foo::$0;
+}
+"#,
+            expect![[r#""#]],
+        );
+    }
+
     #[test]
     fn dont_complete_current_use_in_braces_with_glob() {
         check(

crates/ide_completion/src/completions/unqualified_path.rs

@@ -68,6 +68,28 @@ mod tests {
         expect.assert_eq(&actual)
     }
 
+    #[test]
+    fn dont_complete_values_in_type_pos() {
+        check(
+            r#"
+const FOO: () = ();
+static BAR: () = ();
+enum Foo {
+    Bar
+}
+struct Baz;
+fn foo() {
+    let local = ();
+    let _: $0;
+}
+"#,
+            expect![[r#"
+                en Foo
+                st Baz
+            "#]],
+        );
+    }
+
     #[test]
     fn only_completes_modules_in_import() {
         cov_mark::check!(only_completes_modules_in_import);