1 files changed, 11 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/to_digit_is_some.rs b/src/tools/clippy/tests/ui/to_digit_is_some.rs
new file mode 100644
index 000000000..4f247c06c
--- /dev/null
+++ b/src/tools/clippy/tests/ui/to_digit_is_some.rs
@@ -0,0 +1,11 @@
+//run-rustfix
+
+#![warn(clippy::to_digit_is_some)]
+
+fn main() {
+    let c = 'x';
+    let d = &c;
+
+    let _ = d.to_digit(8).is_some();
+    let _ = char::to_digit(c, 8).is_some();
+}