1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/macros/format-parse-errors.rs b/tests/ui/macros/format-parse-errors.rs
new file mode 100644
index 000000000..ffa7a2817
--- /dev/null
+++ b/tests/ui/macros/format-parse-errors.rs
@@ -0,0 +1,17 @@
+fn main() {
+    let foo = "";
+    let bar = "";
+    format!(); //~ ERROR requires at least a format string argument
+    format!(struct); //~ ERROR expected expression
+    format!("s", name =); //~ ERROR expected expression
+    format!(
+        "s {foo} {} {}",
+        foo = foo,
+        bar, //~ ERROR positional arguments cannot follow named arguments
+    );
+    format!("s {foo}", foo = struct); //~ ERROR expected expression
+    format!("s", struct); //~ ERROR expected expression
+
+    // This error should come after parsing errors to ensure they are non-fatal.
+    format!(123); //~ ERROR format argument must be a string literal
+}