From 20431706a863f92cb37dc512fef6e48d192aaf2c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:11:38 +0200
Subject: Merging upstream version 1.66.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 vendor/proc-macro2/tests/test.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'vendor/proc-macro2/tests/test.rs')

diff --git a/vendor/proc-macro2/tests/test.rs b/vendor/proc-macro2/tests/test.rs
index 16f775ed0..8f5624dbc 100644
--- a/vendor/proc-macro2/tests/test.rs
+++ b/vendor/proc-macro2/tests/test.rs
@@ -630,3 +630,16 @@ fn check_spans_internal(ts: TokenStream, lines: &mut &[(usize, usize, usize, usi
         }
     }
 }
+
+#[test]
+fn byte_order_mark() {
+    let string = "\u{feff}foo";
+    let tokens = string.parse::<TokenStream>().unwrap();
+    match tokens.into_iter().next().unwrap() {
+        TokenTree::Ident(ident) => assert_eq!(ident, "foo"),
+        _ => unreachable!(),
+    }
+
+    let string = "foo\u{feff}";
+    string.parse::<TokenStream>().unwrap_err();
+}
-- 
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