check(
r#"
enum Option<T> {
+ Some(T)
/// The None variant
Non$0e
}
);
}
+#[test]
+fn hover_const_eval_variant() {
+ // show hex for <10
+ check(
+ r#"
+#[repr(u8)]
+enum E {
+ /// This is a doc
+ A$0 = 1 << 3,
+}
+"#,
+ expect![[r#"
+ *A*
+
+ ```rust
+ test::E
+ ```
+
+ ```rust
+ A = 8
+ ```
+
+ ---
+
+ This is a doc
+ "#]],
+ );
+ // show hex for >10
+ check(
+ r#"
+#[repr(u8)]
+enum E {
+ /// This is a doc
+ A$0 = (1 << 3) + (1 << 2),
+}
+"#,
+ expect![[r#"
+ *A*
+
+ ```rust
+ test::E
+ ```
+
+ ```rust
+ A = 12 (0xC)
+ ```
+
+ ---
+
+ This is a doc
+ "#]],
+ );
+ // enums in const eval
+ check(
+ r#"
+#[repr(u8)]
+enum E {
+ A = 1,
+ /// This is a doc
+ B$0 = E::A as u8 + 1,
+}
+"#,
+ expect![[r#"
+ *B*
+
+ ```rust
+ test::E
+ ```
+
+ ```rust
+ B = 2
+ ```
+
+ ---
+
+ This is a doc
+ "#]],
+ );
+ // unspecified variant should increment by one
+ check(
+ r#"
+#[repr(u8)]
+enum E {
+ A = 4,
+ /// This is a doc
+ B$0,
+}
+"#,
+ expect![[r#"
+ *B*
+
+ ```rust
+ test::E
+ ```
+
+ ```rust
+ B = 5
+ ```
+
+ ---
+
+ This is a doc
+ "#]],
+ );
+}
+
#[test]
fn hover_const_eval() {
// show hex for <10
---
+ This is a doc
+ "#]],
+ );
+ check(
+ r#"
+enum E {
+ /// This is a doc
+ A = 3,
+}
+fn foo(e: E) {
+ match e {
+ E::A$0 => (),
+ _ => ()
+ }
+}
+"#,
+ expect![[r#"
+ *A*
+
+ ```rust
+ test::E
+ ```
+
+ ```rust
+ A = 3
+ ```
+
+ ---
+
This is a doc
"#]],
);
"#]],
);
}
+
+#[test]
+fn static_const_macro_expanded_body() {
+ check(
+ r#"
+macro_rules! m {
+ () => {
+ pub const V: i8 = {
+ let e = 123;
+ f(e) // Prevent const eval from evaluating this constant, we want to print the body's code.
+ };
+ };
+}
+m!();
+fn main() { $0V; }
+"#,
+ expect![[r#"
+ *V*
+
+ ```rust
+ test
+ ```
+
+ ```rust
+ pub const V: i8 = {
+ let e = 123;
+ f(e)
+ }
+ ```
+ "#]],
+ );
+ check(
+ r#"
+macro_rules! m {
+ () => {
+ pub static V: i8 = {
+ let e = 123;
+ };
+ };
+}
+m!();
+fn main() { $0V; }
+"#,
+ expect![[r#"
+ *V*
+
+ ```rust
+ test
+ ```
+
+ ```rust
+ pub static V: i8 = {
+ let e = 123;
+ }
+ ```
+ "#]],
+ );
+}