Add an EVP_MD_CTX_md() test

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8614)

diff --git a/test/evp_extra_test.c b/test/evp_extra_test.c
index f07ae94ad31113d1b657a2cc81d5d3332bfb2812..f763bb5d2add013aec9ea6f24a86cb4c47f1dc02 100644 (file)
--- a/test/evp_extra_test.c
+++ b/test/evp_extra_test.c
@@ -1083,7 +1083,8 @@ static int calculate_digest(const EVP_MD *md, const char *msg, size_t len,
             || !TEST_true(EVP_DigestUpdate(ctx, msg, len))
             || !TEST_true(EVP_DigestFinal_ex(ctx, out, NULL))
             || !TEST_mem_eq(out, SHA256_DIGEST_LENGTH, exptd,
             || !TEST_true(EVP_DigestUpdate(ctx, msg, len))
             || !TEST_true(EVP_DigestFinal_ex(ctx, out, NULL))
             || !TEST_mem_eq(out, SHA256_DIGEST_LENGTH, exptd,

-                            SHA256_DIGEST_LENGTH))
+                            SHA256_DIGEST_LENGTH)
+            || !TEST_true(md == EVP_MD_CTX_md(ctx)))

         goto err;
 
     ret = 1;
         goto err;
 
     ret = 1;