From c1ed4b312197b2981d5136790e0f4c45c5584dbc Mon Sep 17 00:00:00 2001
From: ConnorSkees <39542938+ConnorSkees@users.noreply.github.com>
Date: Thu, 21 May 2020 00:46:06 -0400
Subject: [PATCH] handle , at toplevel

---
 src/stylesheet.rs | 3 +++
 tests/error.rs    | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/src/stylesheet.rs b/src/stylesheet.rs
index 8d204dc..fa1d120 100644
--- a/src/stylesheet.rs
+++ b/src/stylesheet.rs
@@ -295,6 +295,9 @@ impl<'a> StyleSheetParser<'a> {
                 c if c.is_control() => {
                     return Err(("expected selector.", self.lexer.next().unwrap().pos()).into());
                 }
+                ',' => {
+                    return Err(("expected \"{\".", self.lexer.next().unwrap().pos()).into());
+                }
                 _ => todo!("unexpected toplevel token: {:?}", kind),
             };
         }
diff --git a/tests/error.rs b/tests/error.rs
index b758360..37bb62f 100644
--- a/tests/error.rs
+++ b/tests/error.rs
@@ -82,3 +82,7 @@ error!(
     nothing_after_variable_in_style,
     "a {$a", "Error: expected \":\"."
 );
+error!(
+    toplevel_comma,
+    "a {},", "Error: expected \"{\"."
+);