From 0a7ea787337ab6c1cb4b217dfdae1b17543e6d75 Mon Sep 17 00:00:00 2001
From: Sylvestre Ledru <sylvestre@debian.org>
Date: Thu, 14 Aug 2025 10:50:52 +0200
Subject: [PATCH] split: bring back the test

---
 tests/by-util/test_head.rs  |  2 +-
 tests/by-util/test_split.rs | 25 ++++++++++++++++++++++++-
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/tests/by-util/test_head.rs b/tests/by-util/test_head.rs
index c2d886266..2acc783ea 100644
--- a/tests/by-util/test_head.rs
+++ b/tests/by-util/test_head.rs
@@ -881,4 +881,4 @@ fn test_head_non_utf8_paths() {
     assert!(output.contains("line2"));
     assert!(output.contains("line3"));
 }
-    // Test that head handles non-UTF-8 file names without crashing
+// Test that head handles non-UTF-8 file names without crashing
diff --git a/tests/by-util/test_split.rs b/tests/by-util/test_split.rs
index 9bef61230..627683172 100644
--- a/tests/by-util/test_split.rs
+++ b/tests/by-util/test_split.rs
@@ -1711,7 +1711,7 @@ fn test_split_invalid_input() {
 /// Test if there are invalid (non UTF-8) in the arguments - unix
 /// clap is expected to fail/panic
 #[test]
-#[cfg(unix)]
+#[cfg(target_os = "linux")]
 fn test_split_non_utf8_argument_unix() {
     use std::ffi::OsStr;
     use std::os::unix::ffi::OsStrExt;
@@ -1729,6 +1729,29 @@ fn test_split_non_utf8_argument_unix() {
     ucmd.args(&[opt, opt_value, name]).succeeds();
 }
 
+/// Test if there are invalid (non UTF-8) in the arguments - windows
+/// clap is expected to fail/panic
+#[test]
+#[cfg(windows)]
+fn test_split_non_utf8_argument_windows() {
+    use std::ffi::OsString;
+    use std::os::windows::ffi::OsStringExt;
+
+    let (at, mut ucmd) = at_and_ucmd!();
+    let name = "test_split_non_utf8_argument";
+    let opt = OsString::from("--additional-suffix");
+    RandomFile::new(&at, name).add_lines(2000);
+    // Here the values 0x0066 and 0x006f correspond to 'f' and 'o'
+    // respectively. The value 0xD800 is a lone surrogate half, invalid
+    // in a UTF-16 sequence.
+    let opt_value = [0x0066, 0x006f, 0xD800, 0x006f];
+    let opt_value = OsString::from_wide(&opt_value[..]);
+    let name = OsString::from(name);
+    ucmd.args(&[opt, opt_value, name])
+        .fails()
+        .stderr_contains("error: invalid UTF-8 was detected in one or more arguments");
+}
+
 // Test '--separator' / '-t' option following GNU tests example
 // test separators: '\n' , '\0' , ';'
 // test with '--lines=2' , '--line-bytes=4' , '--number=l/3' , '--number=r/3' , '--number=l/1/3' , '--number=r/1/3'