diff --git a/tests/base64.rs b/tests/base64.rs
index bfa23edec..2e977e731 100644
--- a/tests/base64.rs
+++ b/tests/base64.rs
@@ -18,13 +18,15 @@ fn test_encode() {
 
 #[test]
 fn test_decode() {
-    let (_, mut ucmd) = testing(UTIL_NAME);
-    let input = "aGVsbG8sIHdvcmxkIQ==";
-    let result = ucmd.arg("-d").run_piped_stdin(input.as_bytes());
+    for decode_param in vec!["-d", "--decode"] {
+        let (_, mut ucmd) = testing(UTIL_NAME);
+        let input = "aGVsbG8sIHdvcmxkIQ==";
+        let result = ucmd.arg(decode_param).run_piped_stdin(input.as_bytes());
 
-    assert_empty_stderr!(result);
-    assert!(result.success);
-    assert_eq!(result.stdout, "hello, world!");
+        assert_empty_stderr!(result);
+        assert!(result.success);
+        assert_eq!(result.stdout, "hello, world!");
+    }
 }
 
 #[test]
@@ -40,23 +42,26 @@ fn test_garbage() {
 
 #[test]
 fn test_ignore_garbage() {
-    let (_, mut ucmd) = testing(UTIL_NAME);
-    let input = "aGVsbG8sIHdvcmxkIQ==\0";
-    let result = ucmd.arg("-d").arg("-i").run_piped_stdin(input.as_bytes());
-
-    assert_empty_stderr!(result);
-    assert!(result.success);
-    assert_eq!(result.stdout, "hello, world!");
+    for ignore_garbage_param in vec!["-i", "--ignore-garbage"] {
+        let (_, mut ucmd) = testing(UTIL_NAME);
+        let input = "aGVsbG8sIHdvcmxkIQ==\0";
+        let result = ucmd.arg("-d").arg(ignore_garbage_param).run_piped_stdin(input.as_bytes());
+        assert_empty_stderr!(result);
+        assert!(result.success);
+        assert_eq!(result.stdout, "hello, world!");
+    }
 }
 
 #[test]
 fn test_wrap() {
-    let (_, mut ucmd) = testing(UTIL_NAME);
-    let input = "The quick brown fox jumps over the lazy dog.";
-    let result = ucmd.arg("-w").arg("20").run_piped_stdin(input.as_bytes());
+    for wrap_param in vec!["-w", "--wrap"] {
+        let (_, mut ucmd) = testing(UTIL_NAME);
+        let input = "The quick brown fox jumps over the lazy dog.";
+        let result = ucmd.arg(wrap_param).arg("20").run_piped_stdin(input.as_bytes());
 
-    assert_empty_stderr!(result);
-    assert!(result.success);
-    assert_eq!(result.stdout,
-               "VGhlIHF1aWNrIGJyb3du\nIGZveCBqdW1wcyBvdmVy\nIHRoZSBsYXp5IGRvZy4=\n");
+        assert_empty_stderr!(result);
+        assert!(result.success);
+        assert_eq!(result.stdout,
+                   "VGhlIHF1aWNrIGJyb3du\nIGZveCBqdW1wcyBvdmVy\nIHRoZSBsYXp5IGRvZy4=\n");
+    }
 }