From 66733ca99491dd7486300f1db1cb7fc2ba1e29da Mon Sep 17 00:00:00 2001
From: Andreas Molzer <andreas.molzer@gmx.de>
Date: Thu, 3 Feb 2022 23:44:43 +0100
Subject: [PATCH] seq: Add difficult cases to test suite

---
 tests/by-util/test_seq.rs | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/tests/by-util/test_seq.rs b/tests/by-util/test_seq.rs
index 5adbc292e..ad3086b03 100644
--- a/tests/by-util/test_seq.rs
+++ b/tests/by-util/test_seq.rs
@@ -81,6 +81,33 @@ fn test_rejects_non_floats() {
         .usage_error("invalid floating point argument: 'foo'");
 }
 
+#[test]
+fn test_accepts_option_argument_directly() {
+    new_ucmd!()
+        .arg("-s,")
+        .arg("2")
+        .succeeds()
+        .stdout_is("1,2\n");
+}
+
+#[test]
+fn test_option_with_detected_negative_argument() {
+    new_ucmd!()
+        .arg("-s,")
+        .args(&["-1", "2"])
+        .succeeds()
+        .stdout_is("-1,0,1,2\n");
+}
+
+#[test]
+fn test_negative_number_as_separator() {
+    new_ucmd!()
+        .arg("-s")
+        .args(&["-1", "2"])
+        .succeeds()
+        .stdout_is("1-12\n");
+}
+
 #[test]
 fn test_invalid_float() {
     new_ucmd!()