bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide/src/hover/tests.rs')
-rw-r--r--crates/ide/src/hover/tests.rs90
1 files changed, 90 insertions, 0 deletions
diff --git a/crates/ide/src/hover/tests.rs b/crates/ide/src/hover/tests.rs
index db2aaddc0b..2930aab68a 100644
--- a/crates/ide/src/hover/tests.rs
+++ b/crates/ide/src/hover/tests.rs
@@ -5592,3 +5592,93 @@ fn main() {
"#]],
);
}
+
+#[test]
+fn hover_underscore_pat() {
+ check(
+ r#"
+fn main() {
+ let _$0 = 0;
+}
+"#,
+ expect![[r#"
+ *_*
+ ```rust
+ i32
+ ```
+ "#]],
+ );
+ check(
+ r#"
+fn main() {
+ let (_$0,) = (0,);
+}
+"#,
+ expect![[r#"
+ *_*
+ ```rust
+ i32
+ ```
+ "#]],
+ );
+}
+
+#[test]
+fn hover_underscore_expr() {
+ check(
+ r#"
+fn main() {
+ _$0 = 0;
+}
+"#,
+ expect![[r#"
+ *_*
+ ```rust
+ i32
+ ```
+ "#]],
+ );
+ check(
+ r#"
+fn main() {
+ (_$0,) = (0,);
+}
+"#,
+ expect![[r#"
+ *_*
+ ```rust
+ i32
+ ```
+ "#]],
+ );
+}
+
+#[test]
+fn hover_underscore_type() {
+ check(
+ r#"
+fn main() {
+ let x: _$0 = 0;
+}
+"#,
+ expect![[r#"
+ *_*
+ ```rust
+ {unknown}
+ ```
+ "#]],
+ );
+ check(
+ r#"
+fn main() {
+ let x: (_$0,) = (0,);
+}
+"#,
+ expect![[r#"
+ *_*
+ ```rust
+ {unknown}
+ ```
+ "#]],
+ );
+}