From 1f6c442a3f2f660803f598d70f3f69b469637829 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 8 Aug 2018 23:09:40 +0300
Subject: Fix panic with EOF token

---
 src/parser_api.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/parser_api.rs')

diff --git a/src/parser_api.rs b/src/parser_api.rs
index 58002a8fc..c78c6e43a 100644
--- a/src/parser_api.rs
+++ b/src/parser_api.rs
@@ -29,6 +29,15 @@ macro_rules! token_set_union {
     ($($ts:expr),* ,) => { token_set_union!($($ts),*) };
 }
 
+#[test]
+fn token_set_works_for_tokens() {
+    use SyntaxKind::*;
+    let ts = token_set! { EOF, SHEBANG };
+    assert!(ts.contains(EOF));
+    assert!(ts.contains(SHEBANG));
+    assert!(!ts.contains(PLUS));
+}
+
 /// `Parser` struct provides the low-level API for
 /// navigating through the stream of tokens and
 /// constructing the parse tree. The actual parsing
-- 
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