/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

#include "s2n_test.h"
#include "tls/extensions/s2n_client_sct_list.h"

int main(int argc, char **argv)
{
    BEGIN_TEST();
    EXPECT_SUCCESS(s2n_disable_tls13_in_test());

    /* Test should_send */
    {
        struct s2n_config *config;
        EXPECT_NOT_NULL(config = s2n_config_new());

        struct s2n_connection *conn;
        EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
        EXPECT_SUCCESS(s2n_connection_set_config(conn, config));

        /* Default configs use S2N_CT_SUPPORT_NONE */
        EXPECT_FALSE(s2n_client_sct_list_extension.should_send(conn));

        /* Use cipher preferences that do include PQ */
        EXPECT_SUCCESS(s2n_config_set_ct_support_level(config, S2N_CT_SUPPORT_REQUEST));
        EXPECT_TRUE(s2n_client_sct_list_extension.should_send(conn));

        EXPECT_SUCCESS(s2n_connection_free(conn));
        EXPECT_SUCCESS(s2n_config_free(config));
    };

    /* Test send */
    {
        struct s2n_config *config;
        EXPECT_NOT_NULL(config = s2n_config_new());

        struct s2n_connection *conn;
        EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
        EXPECT_SUCCESS(s2n_connection_set_config(conn, config));

        struct s2n_stuffer stuffer = { 0 };
        EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&stuffer, 0));

        EXPECT_SUCCESS(s2n_client_sct_list_extension.send(conn, &stuffer));
        EXPECT_EQUAL(s2n_stuffer_data_available(&stuffer), 0);

        EXPECT_SUCCESS(s2n_stuffer_free(&stuffer));
        EXPECT_SUCCESS(s2n_connection_free(conn));
        EXPECT_SUCCESS(s2n_config_free(config));
    };

    /* Test receive */
    {
        struct s2n_config *config;
        EXPECT_NOT_NULL(config = s2n_config_new());

        struct s2n_connection *conn;
        EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
        EXPECT_SUCCESS(s2n_connection_set_config(conn, config));

        struct s2n_stuffer stuffer = { 0 };
        EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&stuffer, 0));

        EXPECT_SUCCESS(s2n_client_sct_list_extension.send(conn, &stuffer));

        EXPECT_NOT_EQUAL(conn->ct_level_requested, S2N_CT_SUPPORT_REQUEST);
        EXPECT_SUCCESS(s2n_client_sct_list_extension.recv(conn, &stuffer));
        EXPECT_EQUAL(conn->ct_level_requested, S2N_CT_SUPPORT_REQUEST);

        EXPECT_SUCCESS(s2n_stuffer_free(&stuffer));
        EXPECT_SUCCESS(s2n_connection_free(conn));
        EXPECT_SUCCESS(s2n_config_free(config));
    };

    END_TEST();
}