Test for Builtin Type

Author: Ddystopia

crates/ide/src/doc_links.rs

@@ -473,7 +473,7 @@ fn get_doc_base_urls(
     // https://github.com/rust-lang/rust-analyzer/issues/12250
     if let Definition::BuiltinType(..) = def {
         let weblink = Url::parse("https://doc.rust-lang.org/nightly/core/").ok();
-        return (weblink, local_doc_path);
+        return (weblink, None);
     };
 
     let Some(krate) = def.krate(db) else { return Default::default() };

crates/ide/src/doc_links/tests.rs

@@ -119,6 +119,19 @@ fn node_to_def(
     })
 }
 
+#[test]
+fn external_docs_doc_builtin_type() {
+    check_external_docs(
+        r#"
+//- /main.rs crate:foo
+let x: u3$02 = 0;
+"#,
+        Some(&OsStr::new("/home/user/project")),
+        Some(expect![[r#"https://doc.rust-lang.org/nightly/core/primitive.u32.html"#]]),
+        None,
+    );
+}
+
 #[test]
 fn external_docs_doc_url_crate() {
     check_external_docs(