[boost] : lightweight_test库

lightweight_test轻量级单元测试框架, 只支持最基本的单元测试, 不支持测试用例, 测试套件的概念, 简单小巧, 适合要求不高或者快速测试的工作.

基本用法

需要包含头文件#include <boost/core/lightweight_test.hpp>

lightweight_test库定义了五个断言宏

BOOST_TEST(e)	断言表达式成立
BOOST_ERROR(s)	直接断言失败, 输出消息s
BOOST_TEST_EQ(e1, e2)	断言两个表达式相等
BOOST_TEST_NE(e1, e2)	断言两个表达式不等
BOOST_TEST_THROWS(e, ex)	断言表达式e抛出异常ex

// Copyright (c) 2015
// Author: Chrono Law
#include <iostream>
using namespace std;

#include <boost/smart_ptr.hpp> // shared_ptr
#include <boost/core/lightweight_test.hpp>

int main()
{
    auto p = make_shared<int>(10);

    BOOST_TEST(*p == 10);
    BOOST_TEST(p.unique());
    BOOST_TEST(p);

    BOOST_TEST_EQ(p.use_count(), 1);
    BOOST_TEST_NE(*p, 20);

    p.reset();
    BOOST_TEST(!p);

    BOOST_TEST_THROWS(*p, std::runtime_error);
    BOOST_ERROR("error accured!!");

    return boost::report_errors(); // 输出测试报告
}

输出以下信息:

lightweight_test.cpp(23): Exception 'std::runtime_error' not thrown in function 'int main()'
lightweight_test.cpp(24): error accured!! in function 'int main()'
2 errors detected.

注意: 在测试结束时必须调用boost::report_errors(), 否则会发生BOOST_ASSERT断言错误.

测试元编程

lightweight_test提供对元编程的有限支持, 需要包含头文件#include <boost/core/lightweight_test_trait.hpp>

// Copyright (c) 2015
// Author: Chrono Law
#include <type_traits> // is_integral<T>, is_function<T>
#include <iostream>
using namespace std;

#include <boost/core/lightweight_test.hpp>
#include <boost/core/lightweight_test_trait.hpp>

int main()
{
    BOOST_TEST_TRAIT_TRUE((is_integral<int>));
    BOOST_TEST_TRAIT_FALSE((is_function<int>));

    return boost::report_errors();
}