2 files changed, 10 insertions, 1 deletions
diff --git a/vendor/proc-macro2/tests/comments.rs b/vendor/proc-macro2/tests/comments.rs
index 71741080c..4f7236dea 100644
--- a/vendor/proc-macro2/tests/comments.rs
+++ b/vendor/proc-macro2/tests/comments.rs
@@ -1,3 +1,5 @@
+#![allow(clippy::assertions_on_result_states)]
+
 use proc_macro2::{Delimiter, Literal, Spacing, TokenStream, TokenTree};
 
 // #[doc = "..."] -> "..."
diff --git a/vendor/proc-macro2/tests/test.rs b/vendor/proc-macro2/tests/test.rs
index 86031db6a..16f775ed0 100644
--- a/vendor/proc-macro2/tests/test.rs
+++ b/vendor/proc-macro2/tests/test.rs
@@ -1,4 +1,4 @@
-#![allow(clippy::non_ascii_literal)]
+#![allow(clippy::assertions_on_result_states, clippy::non_ascii_literal)]
 
 use proc_macro2::{Ident, Literal, Punct, Spacing, Span, TokenStream, TokenTree};
 use std::panic;
@@ -548,6 +548,13 @@ fn default_tokenstream_is_empty() {
 }
 
 #[test]
+fn tokenstream_size_hint() {
+    let tokens = "a b (c d) e".parse::<TokenStream>().unwrap();
+
+    assert_eq!(tokens.into_iter().size_hint(), (4, Some(4)));
+}
+
+#[test]
 fn tuple_indexing() {
     // This behavior may change depending on https://github.com/rust-lang/rust/pull/71322
     let mut tokens = "tuple.0.0".parse::<TokenStream>().unwrap().into_iter();