1 files changed, 11 insertions, 0 deletions
diff --git a/tests/unit/style/parsing/mod.rs b/tests/unit/style/parsing/mod.rs
index 4d968cc97d0..d5142efffca 100644
--- a/tests/unit/style/parsing/mod.rs
+++ b/tests/unit/style/parsing/mod.rs
@@ -58,6 +58,17 @@ macro_rules! assert_roundtrip {
     }
 }
 
+macro_rules! assert_parser_exhausted {
+    ($name:ident, $string:expr, $should_exhausted:expr) => {{
+        let url = ::servo_url::ServoUrl::parse("http://localhost").unwrap();
+        let context = ParserContext::new(Origin::Author, &url, Box::new(CSSErrorReporterTest));
+        let mut parser = Parser::new($string);
+        let parsed = $name::parse(&context, &mut parser);
+        assert_eq!(parsed.is_ok(), true);
+        assert_eq!(parser.is_exhausted(), $should_exhausted);
+    }}
+}
+
 macro_rules! parse_longhand {
     ($name:ident, $s:expr) => {{
         let url = ::servo_url::ServoUrl::parse("http://localhost").unwrap();