1 files changed, 12 insertions, 0 deletions
diff --git a/tests/ui/inference/char-as-str-single.rs b/tests/ui/inference/char-as-str-single.rs
new file mode 100644
index 000000000..736920643
--- /dev/null
+++ b/tests/ui/inference/char-as-str-single.rs
@@ -0,0 +1,12 @@
+// When a SINGLE-character string literal is used where a char should be,
+// suggest changing to single quotes.
+
+// Testing both single-byte and multi-byte characters, as we should handle both.
+
+// run-rustfix
+
+fn main() {
+    let _: char = "a"; //~ ERROR mismatched types
+    let _: char = "人"; //~ ERROR mismatched types
+    let _: char = "'"; //~ ERROR mismatched types
+}