From 9b024b50b19509139bf04e2a181f712b35687c06 Mon Sep 17 00:00:00 2001
From: Frank Denis <github@pureftpd.org>
Date: Mon, 22 Jun 2020 18:31:46 +0200
Subject: [PATCH] box_seal test: don't check empty messages

Fixes #974
---
 test/default/box_seal.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/default/box_seal.c b/test/default/box_seal.c
index e0f32b13..f28c0416 100644
--- a/test/default/box_seal.c
+++ b/test/default/box_seal.c
@@ -65,7 +65,7 @@ void tv2(void)
         printf("crypto_box_seal_open() failure\n");
         return;
     }
-    assert(memcmp(cm, m2, m_len) != 0);
+    assert(m_len == 0 || memcmp(cm, m2, m_len) != 0);
     sodium_free(cm);
     sodium_free(m2);
 }
@@ -135,7 +135,7 @@ void tv4(void)
         printf("crypto_box_curve25519xchacha20poly1305_seal_open() failure\n");
         return;
     }
-    assert(memcmp(cm, m2, m_len) != 0);
+    assert(m_len == 0 || memcmp(cm, m2, m_len) != 0);
     sodium_free(cm);
     sodium_free(m2);
 }