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-rw-r--r--src/test/test_crypto.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/test/test_crypto.c b/src/test/test_crypto.c
index 7f4347a41c..fd983de002 100644
--- a/src/test/test_crypto.c
+++ b/src/test/test_crypto.c
@@ -427,6 +427,11 @@ test_crypto_pk(void)
test_assert(! crypto_pk_read_public_key_from_string(pk2, encoded, size));
test_eq(0, crypto_pk_cmp_keys(pk1, pk2));
+ /* comparison between keys and NULL */
+ tt_int_op(crypto_pk_cmp_keys(NULL, pk1), <, 0);
+ tt_int_op(crypto_pk_cmp_keys(NULL, NULL), ==, 0);
+ tt_int_op(crypto_pk_cmp_keys(pk1, NULL), >, 0);
+
test_eq(128, crypto_pk_keysize(pk1));
test_eq(1024, crypto_pk_num_bits(pk1));
test_eq(128, crypto_pk_keysize(pk2));