1 files changed, 5 insertions, 0 deletions
diff --git a/tests/ui/codemap_tests/bad-format-args.rs b/tests/ui/codemap_tests/bad-format-args.rs
new file mode 100644
index 00000000000..e89a45a84f5
--- /dev/null
+++ b/tests/ui/codemap_tests/bad-format-args.rs
@@ -0,0 +1,5 @@
+fn main() {
+    format!(); //~ ERROR requires at least a format string argument
+    format!("" 1); //~ ERROR expected `,`, found `1`
+    format!("", 1 1); //~ ERROR expected one of
+}