uhd/host/tests/error_test.cpp

//
// Copyright 2010-2011 Ettus Research LLC
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//

#include <uhd/exception.hpp>
#include <uhd/utils/assert_has.hpp>
#include <boost/test/unit_test.hpp>
#include <iostream>
#include <vector>

BOOST_AUTO_TEST_CASE(test_exception_methods)
{
    try {
        throw uhd::assertion_error("your assertion failed: 1 != 2");
    } catch (const uhd::exception& e) {
        std::cout << "what: " << e.what() << std::endl;
        std::cout << "code: " << e.code() << std::endl;
    }
}

BOOST_AUTO_TEST_CASE(test_assert_has)
{
    std::vector<int> vec;
    vec.push_back(2);
    vec.push_back(3);
    vec.push_back(5);

    // verify the uhd::has utility
    BOOST_CHECK(uhd::has(vec, 2));
    BOOST_CHECK(not uhd::has(vec, 1));

    std::cout << "The output of the assert_has error:" << std::endl;
    try {
        uhd::assert_has(vec, 1, "prime");
    } catch (const std::exception& e) {
        std::cout << e.what() << std::endl;
    }
}

BOOST_AUTO_TEST_CASE(test_assert_throw)
{
    std::cout << "The output of the assert throw error:" << std::endl;
    try {
        UHD_ASSERT_THROW(2 + 2 == 5);
    } catch (const std::exception& e) {
        std::cout << e.what() << std::endl;
    }
}

BOOST_AUTO_TEST_CASE(test_exception_dynamic)
{
    uhd::exception* exception_clone;

    // throw an exception and dynamically clone it
    try {
        throw uhd::runtime_error("noooooo");
    } catch (const uhd::exception& e) {
        std::cout << e.what() << std::endl;
        exception_clone = e.dynamic_clone();
    }

    // now we dynamically re-throw the exception
    try {
        exception_clone->dynamic_throw();
    } catch (const uhd::assertion_error& e) {
        std::cout << e.what() << std::endl;
        BOOST_CHECK(false);
    } catch (const uhd::runtime_error& e) {
        std::cout << e.what() << std::endl;
        BOOST_CHECK(true);
    } catch (const uhd::exception& e) {
        std::cout << e.what() << std::endl;
        BOOST_CHECK(false);
    }

    delete exception_clone; // manual cleanup
}