From 2df637f41900e50bbe47d2628554f7ffd167749a Mon Sep 17 00:00:00 2001
From: Brandon <brandondong604@hotmail.com>
Date: Sat, 13 Mar 2021 21:28:10 -0800
Subject: Fix incorrect diagnositics for failing built in eager macros

---
 crates/hir_def/src/nameres/tests/diagnostics.rs | 45 +++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

(limited to 'crates/hir_def/src/nameres/tests')

diff --git a/crates/hir_def/src/nameres/tests/diagnostics.rs b/crates/hir_def/src/nameres/tests/diagnostics.rs
index d5ef8ceb5..bfc1ab13f 100644
--- a/crates/hir_def/src/nameres/tests/diagnostics.rs
+++ b/crates/hir_def/src/nameres/tests/diagnostics.rs
@@ -152,3 +152,48 @@ fn inactive_via_cfg_attr() {
         "#,
     );
 }
+
+#[test]
+fn unresolved_legacy_scope_macro() {
+    check_diagnostics(
+        r#"
+        //- /lib.rs
+          macro_rules! m { () => {} }
+
+          m!();
+          m2!();
+        //^^^^^^ unresolved macro call
+        "#,
+    );
+}
+
+#[test]
+fn unresolved_module_scope_macro() {
+    check_diagnostics(
+        r#"
+        //- /lib.rs
+          mod mac {
+            #[macro_export]
+            macro_rules! m { () => {} }
+          }
+
+          self::m!();
+          self::m2!();
+        //^^^^^^^^^^^^ unresolved macro call
+        "#,
+    );
+}
+
+#[test]
+fn builtin_macro_fails_expansion() {
+    check_diagnostics(
+        r#"
+        //- /lib.rs
+          #[rustc_builtin_macro]
+          macro_rules! include { () => {} }
+
+          include!("doesntexist");
+        //^^^^^^^^^^^^^^^^^^^^^^^^ could not convert tokens
+        "#,
+    );
+}
-- 
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