From ec03972023e9baf0b5534a1bcf14b97e08854987 Mon Sep 17 00:00:00 2001
From: Ed Page <eopage@gmail.com>
Date: Wed, 9 Nov 2022 22:10:32 -0600
Subject: [PATCH] test(assert): Verify empty positional assert exists

Wondered if we had this for #4467.  Figured we should actually test it.
---
 tests/builder/multiple_values.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tests/builder/multiple_values.rs b/tests/builder/multiple_values.rs
index 83eec8b4770..28c3f7ebd48 100644
--- a/tests/builder/multiple_values.rs
+++ b/tests/builder/multiple_values.rs
@@ -1570,3 +1570,10 @@ fn issue_2229() {
     assert!(m.is_err());
     assert_eq!(m.unwrap_err().kind(), ErrorKind::WrongNumberOfValues);
 }
+
+#[test]
+#[should_panic = "Argument 'pos` is positional, it must take a value"]
+fn disallow_positionals_without_values() {
+    let cmd = Command::new("test").arg(Arg::new("pos").num_args(0));
+    cmd.debug_assert();
+}