prevent resource leak if ASN1_INTEGER_to_BN() != null if expected

Author: rlm2002

tests/api/test_ossl_asn1.c

@@ -198,11 +198,11 @@ int test_wolfSSL_ASN1_INTEGER_BN(void)
     }
 #if defined(WOLFSSL_QT) || defined(WOLFSSL_HAPROXY)
     ExpectNotNull(bn = ASN1_INTEGER_to_BN(ai, NULL));
-    BN_free(bn);
-    bn = NULL;
 #else
-    ExpectNull(ASN1_INTEGER_to_BN(ai, NULL));
+    ExpectNull(bn = ASN1_INTEGER_to_BN(ai, NULL));
 #endif
+    BN_free(bn);
+    bn = NULL;
 
     if (ai != NULL) {
         ai->data[0] = 0x02; /* tag for ASN_INTEGER */
@@ -213,11 +213,11 @@ int test_wolfSSL_ASN1_INTEGER_BN(void)
 #if defined(WOLFSSL_QT) || defined(WOLFSSL_HAPROXY)
     /* Interpreted as a number 0x020403. */
     ExpectNotNull(bn = ASN1_INTEGER_to_BN(ai, NULL));
-    BN_free(bn);
-    bn = NULL;
 #else
-    ExpectNull(ASN1_INTEGER_to_BN(ai, NULL));
+    ExpectNull(bn = ASN1_INTEGER_to_BN(ai, NULL));
 #endif
+    BN_free(bn);
+    bn = NULL;
 
     if (ai != NULL) {
         ai->data[0] = 0x02; /* tag for ASN_INTEGER */