optimize SM2 test

Author: Eno-CN

ext/openssl/tests/ecc_sm2.phpt

@@ -23,7 +23,11 @@ var_dump($details["bits"]);
 var_dump(strlen($details["key"]));
 var_dump($details["ec"]["curve_name"]);
 var_dump($details["type"] == OPENSSL_KEYTYPE_EC);
+
+// EC - generate SM2 keypair with curve_name
+echo "Testing openssl_pkey_get_public from SM2 pem pubkey\n";
 $public_key = openssl_pkey_get_public($details["key"]);
+var_dump($public_key);
 $details_public_key = openssl_pkey_get_details($public_key);
 var_dump(strlen($details["key"]));
 var_dump($details_public_key["ec"]["curve_name"]);
@@ -70,6 +74,9 @@ int(256)
 int(178)
 string(3) "SM2"
 bool(true)
+Testing openssl_pkey_get_public from SM2 pem pubkey
+object(OpenSSLAsymmetricKey)#%d (0) {
+}
 int(178)
 string(3) "SM2"
 bool(true)