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// test_exception_test.cpp
//
// Unit tests for the exception class in the Paho MQTT C++ library.
//
/*******************************************************************************
* Copyright (c) 2016-2017 Guilherme M. Ferreira <guilherme.maciel.ferreira@gmail.com>
* Copyright (c) 2020 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:
* Guilherme M. Ferreira - original CppUnit implementation and documentation
* Frank Pagliughi - Conversion to Catch2 and expansion
*******************************************************************************/
#define UNIT_TESTS
#include <cstring>
#include "catch2_version.h"
#include "mqtt/exception.h"
using namespace mqtt;
static const std::string ERR_MSG{"Some MQTT error"};
// ----------------------------------------------------------------------
// Test user constructor
// ----------------------------------------------------------------------
TEST_CASE("user constructor", "[exception]")
{
mqtt::exception ex1(MQTTASYNC_FAILURE);
REQUIRE(MQTTASYNC_FAILURE == ex1.get_return_code());
mqtt::exception ex2(MQTTASYNC_PERSISTENCE_ERROR);
REQUIRE(MQTTASYNC_PERSISTENCE_ERROR == ex2.get_return_code());
mqtt::exception ex3(MQTTASYNC_OPERATION_INCOMPLETE);
REQUIRE(MQTTASYNC_OPERATION_INCOMPLETE == ex3.get_return_code());
}
// ----------------------------------------------------------------------
// Test get_message()
// ----------------------------------------------------------------------
TEST_CASE("get message", "[exception]")
{
mqtt::exception ex(MQTTASYNC_FAILURE, ERR_MSG);
REQUIRE(ERR_MSG == ex.get_message());
}
// ----------------------------------------------------------------------
// Test get_return_code()
// ----------------------------------------------------------------------
TEST_CASE("get return code", "[exception]")
{
mqtt::exception ex1(MQTTASYNC_FAILURE);
REQUIRE(MQTTASYNC_FAILURE == ex1.get_return_code());
}
// ----------------------------------------------------------------------
// Test to string
// ----------------------------------------------------------------------
TEST_CASE("to_str", "[exception]")
{
mqtt::exception ex1(MQTTASYNC_FAILURE);
std::string msg1{"MQTT error [-1]"};
REQUIRE(msg1 == ex1.to_string().substr(0, 15));
}
// ----------------------------------------------------------------------
// Test what
// ----------------------------------------------------------------------
TEST_CASE("what", "[exception]")
{
mqtt::exception ex1(MQTTASYNC_FAILURE);
const char* msg1 = "MQTT error [-1]";
REQUIRE(memcmp(msg1, ex1.what(), 15) == 0);
}
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