From a2d6c85e443e1f6183ba78f5244f18cba0a7d581 Mon Sep 17 00:00:00 2001
From: Sylvestre Ledru <sylvestre@debian.org>
Date: Fri, 1 Jan 2021 18:36:30 +0100
Subject: [PATCH] test(cp): cp /dev/null target is supposed to work. Add a test

---
 tests/by-util/test_cp.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/tests/by-util/test_cp.rs b/tests/by-util/test_cp.rs
index e7ea67d19..9210e7d17 100644
--- a/tests/by-util/test_cp.rs
+++ b/tests/by-util/test_cp.rs
@@ -903,3 +903,22 @@ fn test_cp_dont_preserve_timestamps() {
     assert!(res.as_secs() < 3605);
     assert!(result.success);
 }
+
+#[test]
+#[cfg(target_os = "linux")]
+fn test_cp_target_file_dev_null() {
+    let (at, mut ucmd) = at_and_ucmd!();
+    let file1 = "/dev/null";
+    let file2 = "test_cp_target_file_file_i2";
+
+    at.touch(file1);
+    at.touch(file2);
+    ucmd.arg(file1).arg(file2).fails();
+
+    /* Uncomment when fixed
+    ucmd.arg(file1).arg(file2).succeeds().no_stderr();
+
+    assert!(at.file_exists(file1));
+    assert!(at.file_exists(file2));
+    */
+}