1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/lint/rfc-2457-non-ascii-idents/lint-confusable-idents.rs b/tests/ui/lint/rfc-2457-non-ascii-idents/lint-confusable-idents.rs
new file mode 100644
index 000000000..e7da825ae
--- /dev/null
+++ b/tests/ui/lint/rfc-2457-non-ascii-idents/lint-confusable-idents.rs
@@ -0,0 +1,16 @@
+#![deny(confusable_idents)]
+#![allow(uncommon_codepoints, non_upper_case_globals)]
+
+const ｓ: usize = 42;
+const s_s: usize = 42;
+
+fn main() {
+    let s = "rust"; //~ ERROR identifier pair considered confusable
+    let ｓ_ｓ = "rust2"; //~ ERROR identifier pair considered confusable
+    not_affected();
+}
+
+fn not_affected() {
+    let s1 = 1;
+    let sl = 'l';
+}