Merge pull request #7570 from jackctj117/test

Code Coverage for hpke.c test case HAVE_CURVE448 using test.c

Author: cconlon

wolfcrypt/test/test.c

@@ -27626,10 +27626,24 @@ WOLFSSL_TEST_SUBROUTINE wc_test_ret_t hpke_test(void)
     #endif
 #endif
 
+/* Test coverage for wc_HpkeInit with Curve448, even though it is not supported */
+#if defined(HAVE_CURVE448) && \
+    (defined(WOLFSSL_SHA384) || defined(WOLFSSL_SHA512))
+    /* test with_curve448 */
+    ret = wc_HpkeInit(hpke, DHKEM_X448_HKDF_SHA512, HKDF_SHA512,
+        HPKE_AES_256_GCM, NULL);
+
+    if (ret != BAD_FUNC_ARG) /* Curve448 is not supported yet */
+        ret = WC_TEST_RET_ENC_EC(ret);
+    else
+        ret = 0;
+#endif
+
 #if defined(HAVE_CURVE25519)
     /* test with curve25519 and aes256 */
-    ret = wc_HpkeInit(hpke, DHKEM_X25519_HKDF_SHA256, HKDF_SHA256,
-        HPKE_AES_256_GCM, NULL);
+    if (ret == 0)
+        ret = wc_HpkeInit(hpke, DHKEM_X25519_HKDF_SHA256, HKDF_SHA256,
+                HPKE_AES_256_GCM, NULL);
 
     if (ret != 0)
         return WC_TEST_RET_ENC_EC(ret);