Add parser unit tests

1 files changed, 2 insertions, 2 deletions

diff --git a/crates/ra_mbe/src/tt_cursor.rs b/crates/ra_mbe/src/tt_cursor.rs
index d06bfbf9f..3128cb9ae 100644
--- a/crates/ra_mbe/src/tt_cursor.rs
+++ b/crates/ra_mbe/src/tt_cursor.rs
@@ -60,7 +60,7 @@ impl<'a> TtCursor<'a> {
                 self.bump();
                 Ok(sub)
             }
-            _ => Err(ParseError::ParseError),
+            _ => Err(ParseError::Expected(String::from("subtree"))),
         }
     }
 
@@ -83,7 +83,7 @@ impl<'a> TtCursor<'a> {
             self.bump();
             Ok(())
         } else {
-            Err(ParseError::ParseError)
+            Err(ParseError::Expected(format!("`{}`", char)))
         }
     }
 }