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 1/2] 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!()

From a2e93299186be1911d1173cff8ea7f6163fa8f0f Mon Sep 17 00:00:00 2001
From: Andreas Molzer <andreas.molzer@gmx.de>
Date: Sun, 6 Feb 2022 03:46:31 +0100
Subject: [PATCH 2/2] seq: Allow option to receive immediate arguments

WIP: this needs to be adjusted
---
 src/uu/seq/src/seq.rs     | 2 +-
 tests/by-util/test_seq.rs | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/uu/seq/src/seq.rs b/src/uu/seq/src/seq.rs
index af961a493..ec437dd40 100644
--- a/src/uu/seq/src/seq.rs
+++ b/src/uu/seq/src/seq.rs
@@ -146,7 +146,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 pub fn uu_app<'a>() -> App<'a> {
     App::new(uucore::util_name())
         .setting(AppSettings::TrailingVarArg)
-        .setting(AppSettings::AllowHyphenValues)
+        .setting(AppSettings::AllowNegativeNumbers)
         .setting(AppSettings::InferLongArgs)
         .version(crate_version!())
         .about(ABOUT)
diff --git a/tests/by-util/test_seq.rs b/tests/by-util/test_seq.rs
index ad3086b03..a18cbc2ad 100644
--- a/tests/by-util/test_seq.rs
+++ b/tests/by-util/test_seq.rs
@@ -20,14 +20,14 @@ fn test_hex_rejects_sign_after_identifier() {
         .args(&["-0x-123ABC"])
         .fails()
         .no_stdout()
-        .stderr_contains("invalid floating point argument: '-0x-123ABC'")
-        .stderr_contains("for more information.");
+        .stderr_contains("which wasn't expected, or isn't valid in this context")
+        .stderr_contains("For more information try --help");
     new_ucmd!()
         .args(&["-0x+123ABC"])
         .fails()
         .no_stdout()
-        .stderr_contains("invalid floating point argument: '-0x+123ABC'")
-        .stderr_contains("for more information.");
+        .stderr_contains("which wasn't expected, or isn't valid in this context")
+        .stderr_contains("For more information try --help");
 }
 
 #[test]