From 3873b647d123f427b519662cb8d7714727dcf3c8 Mon Sep 17 00:00:00 2001
From: ldm0 <ldm2993593805@163.com>
Date: Tue, 16 Feb 2021 03:58:58 +0000
Subject: [PATCH] Add tests for 2229

---
 tests/multiple_values.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/tests/multiple_values.rs b/tests/multiple_values.rs
index 1285fa58..f1f0f54b 100644
--- a/tests/multiple_values.rs
+++ b/tests/multiple_values.rs
@@ -1192,3 +1192,19 @@ fn issue_1480_max_values_consumes_extra_arg_3() {
     assert!(res.is_err());
     assert_eq!(res.unwrap_err().kind, ErrorKind::UnknownArgument);
 }
+
+#[test]
+fn issue_2229() {
+    let m = App::new("multiple_values")
+        .arg(
+            Arg::new("pos")
+                .about("multiple positionals")
+                .number_of_values(3),
+        )
+        .try_get_matches_from(vec![
+            "myprog", "val1", "val2", "val3", "val4", "val5", "val6",
+        ]);
+
+    assert!(m.is_err()); // This panics, because `m.is_err() == false`.
+    assert_eq!(m.unwrap_err().kind, ErrorKind::WrongNumberOfValues);
+}