1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/inference/str-as-char.rs b/tests/ui/inference/str-as-char.rs
new file mode 100644
index 00000000000..eaa8d788c34
--- /dev/null
+++ b/tests/ui/inference/str-as-char.rs
@@ -0,0 +1,10 @@
+// When a char literal is used where a str should be,
+// suggest changing to double quotes.
+
+// run-rustfix
+
+fn main() {
+    let _: &str = 'a';   //~ ERROR mismatched types
+    let _: &str = '"""'; //~ ERROR character literal may only contain one codepoint
+    let _: &str = '\"\"\"'; //~ ERROR character literal may only contain one codepoint
+}