/*
 * Copyright(c) 2006 to 2018 ADLINK Technology Limited and others
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
 * v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */
#include <stdio.h>

#include "CUnit/Theory.h"
#include "dds/dds.h"
#include "RoundTrip.h"
#include "Space.h"
#include "dds/ddsrt/misc.h"

/* Tests in this file only concern themselves with very basic api tests of
   dds_write and dds_write_ts */

static const uint32_t payloadSize = 32;
static RoundTripModule_DataType data;

static dds_entity_t participant = 0;
static dds_entity_t topic = 0;
static dds_entity_t publisher = 0;
static dds_entity_t writer = 0;

static void
setup(void)
{
    participant = dds_create_participant(DDS_DOMAIN_DEFAULT, NULL, NULL);
    CU_ASSERT_FATAL(participant > 0);
    topic = dds_create_topic(participant, &RoundTripModule_DataType_desc, "RoundTrip", NULL, NULL);
    CU_ASSERT_FATAL(topic > 0);
    publisher = dds_create_publisher(participant, NULL, NULL);
    CU_ASSERT_FATAL(publisher > 0);
    writer = dds_create_writer(participant, topic, NULL, NULL);
    CU_ASSERT_FATAL(writer > 0);

    memset(&data, 0, sizeof(data));
    data.payload._length = payloadSize;
    data.payload._buffer = dds_alloc (payloadSize);
    memset(data.payload._buffer, 'a', payloadSize);
    data.payload._release = true;
    data.payload._maximum = 0;
}

static void
teardown(void)
{
    RoundTripModule_DataType_free (&data, DDS_FREE_CONTENTS);
    memset(&data, 0, sizeof(data));

    dds_delete(writer);
    dds_delete(publisher);
    dds_delete(topic);
    dds_delete(participant);
}

CU_Test(ddsc_write, basic, .init = setup, .fini = teardown)
{
    dds_return_t status;

    status = dds_write(writer, &data);
    CU_ASSERT_EQUAL_FATAL(dds_err_nr(status), DDS_RETCODE_OK);
}

CU_Test(ddsc_write, null_writer, .init = setup, .fini = teardown)
{
    dds_return_t status;

    /* Disable warning related to improper API usage by passing incompatible parameter. */
    DDSRT_WARNING_MSVC_OFF(28020);
    status = dds_write(0, &data);
    DDSRT_WARNING_MSVC_ON(28020);
    CU_ASSERT_EQUAL_FATAL(dds_err_nr(status), DDS_RETCODE_BAD_PARAMETER);
}

CU_Test(ddsc_write, bad_writer, .init = setup, .fini = teardown)
{
    dds_return_t status;

    status = dds_write(publisher, &data);
    CU_ASSERT_EQUAL_FATAL(dds_err_nr(status), DDS_RETCODE_ILLEGAL_OPERATION);
}

CU_Test(ddsc_write, closed_writer, .init = setup, .fini = teardown)
{
    dds_return_t status;

    status = dds_delete(writer);
    CU_ASSERT_EQUAL_FATAL(dds_err_nr(status), DDS_RETCODE_OK);
    status = dds_write(writer, &data);
    writer = 0;
    CU_ASSERT_EQUAL_FATAL(dds_err_nr(status), DDS_RETCODE_ALREADY_DELETED);
}

CU_Test(ddsc_write, null_sample, .init = setup, .fini = teardown)
{
    dds_return_t status;

    /* Disable warning related to improper API usage by passing NULL to a non-NULL parameter. */
    DDSRT_WARNING_MSVC_OFF(6387);
    status = dds_write(writer, NULL);
    DDSRT_WARNING_MSVC_ON(6387);

    CU_ASSERT_EQUAL_FATAL(dds_err_nr(status), DDS_RETCODE_BAD_PARAMETER);
}

CU_Test(ddsc_write_ts, basic, .init = setup, .fini = teardown)
{
    dds_return_t status;

    status = dds_write_ts(writer, &data, dds_time());
    CU_ASSERT_EQUAL_FATAL(dds_err_nr(status), DDS_RETCODE_OK);
}

CU_Test(ddsc_write_ts, bad_timestamp, .init = setup, .fini = teardown)
{
    dds_return_t status;

    status = dds_write_ts(writer, &data, -1);
    CU_ASSERT_EQUAL_FATAL(dds_err_nr(status), DDS_RETCODE_BAD_PARAMETER);
}

CU_Test(ddsc_write, simpletypes)
{
    dds_return_t status;
    dds_entity_t par, top, wri;
    const Space_simpletypes st_data = {
        .l = -1,
        .ll = -1,
        .us = 1,
        .ul = 1,
        .ull = 1,
        .f = 1.0f,
        .d = 1.0f,
        .c = '1',
        .b = true,
        .o = 1,
        .s = "This string is exactly so long that it would previously trigger CHAM-405. If this string is shortened exactly one character, all is well. Since it is fixed now, there doesn't need to be any further investigation."
    };

    par = dds_create_participant(DDS_DOMAIN_DEFAULT, NULL, NULL);
    CU_ASSERT_FATAL(par > 0);
    top = dds_create_topic(par, &Space_simpletypes_desc, "SimpleTypes", NULL, NULL);
    CU_ASSERT_FATAL(top > 0);
    wri = dds_create_writer(par, top, NULL, NULL);
    CU_ASSERT_FATAL(wri > 0);

    status = dds_write(wri, &st_data);
    CU_ASSERT_EQUAL_FATAL(dds_err_nr(status), DDS_RETCODE_OK);

    dds_delete(wri);
    dds_delete(top);
    dds_delete(par);
}
