From fb8c6b000c15f6324d8bc87baeafeb2d8fc1459f Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Wed, 25 Mar 2015 19:52:13 -0400
Subject: problem 15

---
 tests/lib.rs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'tests')

diff --git a/tests/lib.rs b/tests/lib.rs
index 3f66d16..c6f2413 100644
--- a/tests/lib.rs
+++ b/tests/lib.rs
@@ -282,3 +282,23 @@ fn problem_14 () {
     let got = matasano::crack_padded_aes_128_ecb_with_prefix(&random_encrypter);
     assert_eq!(got, padding);
 }
+
+#[test]
+fn problem_15 () {
+    assert_eq!(
+        matasano::unpad_pkcs7(b"ICE ICE BABY\x04\x04\x04\x04"),
+        Some(&b"ICE ICE BABY"[..])
+    );
+    assert_eq!(
+        matasano::unpad_pkcs7(b"ICE ICE BABY\x05\x05\x05\x05"),
+        None
+    );
+    assert_eq!(
+        matasano::unpad_pkcs7(b"ICE ICE BABY\x01\x02\x03\x04"),
+        None
+    );
+    assert_eq!(
+        matasano::unpad_pkcs7(b"\x04\x04\x04\x04"),
+        Some(&b""[..])
+    );
+}
-- 
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