test_echo: check for -- arguments between

Expertcoderz · Expertcoderz · commit fb2a2764f6f1 · 2025-03-24T13:41:04.000Z
This adds a test for passing `--` as a non-first argument to `echo`. Fixes #7558.
diff --git a/tests/by-util/test_echo.rs b/tests/by-util/test_echo.rs
@@ -243,7 +243,7 @@ fn test_hyphen_values_between() {
 }
 
 #[test]
-fn test_double_hyphens() {
+fn test_double_hyphens_at_start() {
     new_ucmd!().arg("--").succeeds().stdout_only("--\n");
     new_ucmd!()
         .arg("--")
@@ -252,6 +252,24 @@ fn test_double_hyphens() {
         .stdout_only("-- --\n");
 }
 
+#[test]
+fn test_double_hyphens_between() {
+    new_ucmd!()
+        .arg("a")
+        .arg("--")
+        .arg("b")
+        .succeeds()
+        .stdout_only("a -- b\n");
+
+    new_ucmd!()
+        .arg("foo ")
+        .arg("-- --")
+        .arg("bar")
+        .arg("hehehe")
+        .succeeds()
+        .stdout_only("foo  -- -- bar hehehe\n");
+}
+
 #[test]
 fn wrapping_octal() {
     // Some odd behavior of GNU. Values of \0400 and greater do not fit in the
