1 files changed, 18 insertions, 0 deletions
diff --git a/vendor/proc-macro2/tests/test.rs b/vendor/proc-macro2/tests/test.rs
index 8e47b46f0..b75cd5527 100644
--- a/vendor/proc-macro2/tests/test.rs
+++ b/vendor/proc-macro2/tests/test.rs
@@ -325,6 +325,24 @@ fn literal_span() {
     assert!(positive.subspan(1..4).is_none());
 }
 
+#[cfg(span_locations)]
+#[test]
+fn source_text() {
+    let input = "    𓀕 a z    ";
+    let mut tokens = input
+        .parse::<proc_macro2::TokenStream>()
+        .unwrap()
+        .into_iter();
+
+    let first = tokens.next().unwrap();
+    assert_eq!("𓀕", first.span().source_text().unwrap());
+
+    let second = tokens.next().unwrap();
+    let third = tokens.next().unwrap();
+    assert_eq!("z", third.span().source_text().unwrap());
+    assert_eq!("a", second.span().source_text().unwrap());
+}
+
 #[test]
 fn roundtrip() {
     fn roundtrip(p: &str) {