1 files changed, 15 insertions, 0 deletions
diff --git a/tests/ui/fmt/format-string-wrong-order.rs b/tests/ui/fmt/format-string-wrong-order.rs
new file mode 100644
index 000000000..0bad54023
--- /dev/null
+++ b/tests/ui/fmt/format-string-wrong-order.rs
@@ -0,0 +1,15 @@
+fn main() {
+    let bar = 3;
+    format!("{?:}", bar);
+    //~^ ERROR invalid format string: expected format parameter to occur after `:`
+    format!("{?:bar}");
+    //~^ ERROR invalid format string: expected format parameter to occur after `:`
+    format!("{?:?}", bar);
+    //~^ ERROR invalid format string: expected format parameter to occur after `:`
+    format!("{??}", bar);
+    //~^ ERROR invalid format string: expected `'}'`, found `'?'`
+    format!("{?;bar}");
+    //~^ ERROR invalid format string: expected `'}'`, found `'?'`
+    format!("{?:#?}", bar);
+    //~^ ERROR invalid format string: expected format parameter to occur after `:`
+}