From 9154d7416e443423cc565ef03ff3707587930ef5 Mon Sep 17 00:00:00 2001
From: Frank Denis <github@pureftpd.org>
Date: Mon, 30 Jun 2014 16:23:34 -0700
Subject: [PATCH] Add a test for crypto_aead without any additional data

---
 test/default/aead_chacha20poly1305.c   | 26 ++++++++++++++++++++++++++
 test/default/aead_chacha20poly1305.exp |  4 ++++
 2 files changed, 30 insertions(+)

diff --git a/test/default/aead_chacha20poly1305.c b/test/default/aead_chacha20poly1305.c
index 31d17863..036d0014 100644
--- a/test/default/aead_chacha20poly1305.c
+++ b/test/default/aead_chacha20poly1305.c
@@ -67,5 +67,31 @@ int main(void)
         }
         c[i] ^= (i + 1U);
     }
+
+    crypto_aead_chacha20poly1305_encrypt(c, &clen, m, sizeof m, NULL, 0U,
+                                         NULL, nonce, firstkey);
+    if (clen != sizeof m + crypto_aead_chacha20poly1305_abytes()) {
+        printf("clen is not properly set (adlen=0)\n");
+    }
+    for (i = 0U; i < sizeof c; ++i) {
+        printf(",0x%02x", (unsigned int) c[i]);
+        if (i % 8 == 7) {
+            printf("\n");
+        }
+    }
+    printf("\n");
+
+    if (crypto_aead_chacha20poly1305_decrypt(m2, &m2len, NULL, c, sizeof c,
+                                             NULL, 0U,
+                                             nonce, firstkey) != 0) {
+        printf("crypto_aead_chacha20poly1305_decrypt() failed (adlen=0)\n");
+    }
+    if (m2len != sizeof c - crypto_aead_chacha20poly1305_abytes()) {
+        printf("m2len is not properly set (adlen=0)\n");
+    }
+    if (memcmp(m, m2, sizeof m) != 0) {
+        printf("m != m2 (adlen=0)\n");
+    }
+
     return 0;
 }
diff --git a/test/default/aead_chacha20poly1305.exp b/test/default/aead_chacha20poly1305.exp
index a846fe0e..14355fa7 100644
--- a/test/default/aead_chacha20poly1305.exp
+++ b/test/default/aead_chacha20poly1305.exp
@@ -2,3 +2,7 @@
 ,0x62,0xa4,0x67,0x7d,0xab,0xf4,0xe3,0xd2
 ,0x4b,0x87,0x6b,0xb2,0x84,0x75,0x38,0x96
 ,0xe1,0xd6
+,0xe3,0xe4,0x46,0xf7,0xed,0xe9,0xa1,0x9b
+,0x62,0xa4,0x69,0xe7,0x78,0x9b,0xcd,0x95
+,0x4e,0x65,0x8e,0xd3,0x84,0x23,0xe2,0x31
+,0x61,0xdc