From b4af0d02d5192924ae5252013e7673942cf1799c Mon Sep 17 00:00:00 2001
From: Anup Mahindre <anup.mahindre.7@gmail.com>
Date: Sun, 18 Apr 2021 16:59:23 +0530
Subject: [PATCH] tests/ls: Add testcase for error paths with width option

---
 tests/by-util/test_ls.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tests/by-util/test_ls.rs b/tests/by-util/test_ls.rs
index d810cdc294f..5583dbaca5f 100644
--- a/tests/by-util/test_ls.rs
+++ b/tests/by-util/test_ls.rs
@@ -103,6 +103,14 @@ fn test_ls_width() {
             .succeeds()
             .stdout_only("test-width-1\ntest-width-2\ntest-width-3\ntest-width-4\n");
     }
+
+    for option in &["-w 1a", "-w=1a", "--width=1a", "--width 1a"] {
+        scene
+            .ucmd()
+            .args(&option.split(" ").collect::<Vec<_>>())
+            .fails()
+            .stderr_only("ls: error: invalid line width: ‘1a’");
+    }
 }
 
 #[test]