Add unit test for ssl_cipher_get_overhead()

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/test/cipher_overhead_test.c b/test/cipher_overhead_test.c
new file mode 100644
index 0000000000..8c262b3b9a
--- /dev/null
+++ b/test/cipher_overhead_test.c
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+
+#include "../ssl/ssl_locl.h"
+
+int main(void)
+{
+    int i, n = ssl3_num_ciphers();
+    const SSL_CIPHER *ciph;
+    size_t mac, in, blk, ex;
+
+    for (i = 0; i < n; i++) {
+        ciph = ssl3_get_cipher(i);
+        if (!ciph->min_dtls)
+            continue;
+        if (!ssl_cipher_get_overhead(ciph, &mac, &in, &blk, &ex)) {
+            printf("Error getting overhead for %s\n", ciph->name);
+            exit(1);
+        } else {
+            printf("Cipher %s: %"OSSLzu" %"OSSLzu" %"OSSLzu" %"OSSLzu"\n",
+                   ciph->name, mac, in, blk, ex);
+        }
+    }
+    exit(0);
+}