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paho.mqtt.cpp/test/unit/test_subscribe_options.cpp
2025-01-04 11:37:56 -05:00

130 lines
4.1 KiB
C++

// test_subscribe_options.cpp
//
// Unit tests for the subscribe_options class in the Paho MQTT C++ library.
//
/*******************************************************************************
* Copyright (c) 2025 Frank Pagliughi <fpagliughi@mindspring.com>
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* and Eclipse Distribution License v1.0 which accompany this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v20.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Frank Pagliughi
* - initial implementation and documentation
*******************************************************************************/
#define UNIT_TESTS
#include <cstring>
#include "catch2_version.h"
#include "mqtt/subscribe_options.h"
using namespace mqtt;
// The struct_id for the Paho C MQTTSubscribe_options struct.
static constexpr const char* STRUCT_ID = "MQSO";
/////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------
// Test default constructor
// ----------------------------------------------------------------------
TEST_CASE("subscribe_options dflt ctor", "[options]")
{
subscribe_options opts;
const auto& copts = opts.c_struct();
REQUIRE(0 == memcmp(copts.struct_id, STRUCT_ID, 4));
REQUIRE(0 == copts.noLocal);
REQUIRE(0 == copts.retainAsPublished);
REQUIRE(0 == copts.retainHandling);
REQUIRE(!opts.get_no_local());
REQUIRE(!opts.get_retain_as_published());
REQUIRE(0 == opts.get_retain_handling());
}
// ----------------------------------------------------------------------
// Test constructor
// ----------------------------------------------------------------------
TEST_CASE("subscribe_options ctor", "[options]")
{
subscribe_options opts{
subscribe_options::NO_LOCAL,
subscribe_options::RETAIN_AS_PUBLISHED,
subscribe_options::DONT_SEND_RETAINED,
};
const auto& copts = opts.c_struct();
REQUIRE(0 == memcmp(copts.struct_id, STRUCT_ID, 4));
REQUIRE(0 != copts.noLocal);
REQUIRE(0 != copts.retainAsPublished);
REQUIRE(2 == copts.retainHandling);
REQUIRE(opts.get_no_local());
REQUIRE(opts.get_retain_as_published());
REQUIRE(subscribe_options::DONT_SEND_RETAINED == opts.get_retain_handling());
}
// ----------------------------------------------------------------------
// Test copy constructor
// ----------------------------------------------------------------------
TEST_CASE("subscribe_options copy ctor", "[options]")
{
subscribe_options org_opts{
subscribe_options::NO_LOCAL,
subscribe_options::RETAIN_AS_PUBLISHED,
subscribe_options::DONT_SEND_RETAINED,
};
subscribe_options opts{org_opts};
const auto& copts = opts.c_struct();
REQUIRE(0 == memcmp(copts.struct_id, STRUCT_ID, 4));
REQUIRE(0 != copts.noLocal);
REQUIRE(0 != copts.retainAsPublished);
REQUIRE(2 == copts.retainHandling);
REQUIRE(opts.get_no_local());
REQUIRE(opts.get_retain_as_published());
REQUIRE(subscribe_options::DONT_SEND_RETAINED == opts.get_retain_handling());
}
// ----------------------------------------------------------------------
// Test copy assignment
// ----------------------------------------------------------------------
TEST_CASE("subscribe_options copy assignment", "[options]")
{
subscribe_options org_opts{
subscribe_options::NO_LOCAL,
subscribe_options::RETAIN_AS_PUBLISHED,
subscribe_options::DONT_SEND_RETAINED,
};
subscribe_options opts;
opts = org_opts;
const auto& copts = opts.c_struct();
REQUIRE(0 == memcmp(copts.struct_id, STRUCT_ID, 4));
REQUIRE(0 != copts.noLocal);
REQUIRE(0 != copts.retainAsPublished);
REQUIRE(2 == copts.retainHandling);
REQUIRE(opts.get_no_local());
REQUIRE(opts.get_retain_as_published());
REQUIRE(subscribe_options::DONT_SEND_RETAINED == opts.get_retain_handling());
}