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testing: Extend cxxtest with some C++17 features

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Signed-off-by: Gustavo Henrique Nihei <gustavo.nihei@espressif.com>
This commit is contained in:
Gustavo Henrique Nihei 2022-03-28 14:41:42 -03:00 committed by Xiang Xiao
parent 41dd5f15bd
commit c29deef4e5
1 changed files with 94 additions and 37 deletions
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129
testing/cxxtest/cxxtest_main.cxx
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@ -1,5 +1,5 @@
//***************************************************************************
// apps/testing/main.cxx
// apps/testing/cxxtest/cxxtest_main.cxx
//
// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements. See the NOTICE file distributed with
@ -25,14 +25,21 @@
#include <nuttx/config.h>
#include <cstdio>
#include <cassert>
#include <cstdio>
#include <fstream>
#include <iostream>
#include <vector>
#include <map>
#include <string>
#include <vector>
#ifdef CONFIG_CXX_EXCEPTION
#include <stdexcept>
#include <cassert>
using namespace std;
#endif
#if __cplusplus >= 201703L
#include <array>
#include <utility>
#endif
//***************************************************************************
// Private Classes
@ -54,6 +61,37 @@ public:
}
};
#if __cplusplus >= 201703L
class File
{
public:
static auto open(std::string_view path) noexcept -> std::optional<File>
{
auto fd = ::fopen(path.data(), "r");
if (fd != nullptr)
{
return std::make_optional<File>(fd);
}
else
{
return std::nullopt;
}
}
File(FILE* file) : file_(file) {}
~File()
{
if (file_ != nullptr)
{
::fclose(file_);
}
}
private:
FILE* file_ = nullptr;
};
#endif
//***************************************************************************
// Private Data
//***************************************************************************
@ -66,11 +104,11 @@ public:
// Name: test_ostream
//***************************************************************************/
static void test_ofstream(void)
static void test_ofstream()
{
std::ofstream ttyOut;
std::cout << "test ofstream===========================" << std::endl;
std::cout << "Test ofstream ================================" << std::endl;
std::printf("printf: Starting test_ostream\n");
ttyOut.open ("/dev/console");
if (!ttyOut.good())
@ -95,35 +133,23 @@ static void test_ofstream(void)
// Name: test_iostream
//***************************************************************************/
static void test_iostream(void)
static void test_iostream()
{
std::cout << "test iostream===========================" << std::endl;
std::cout << "Test iostream ================================" << std::endl;
std::cout << "Hello, this is only a test" << std::endl;
std::cout << "Print an int: " << 190 << std::endl;
std::cout << "Print a char: " << 'd' << std::endl;
#if 0
int a;
string s;
std::cout << "Please type in an int:" << std::endl;
std::cin >> a;
std::cout << "You type in: " << a << std::endl;
std::cout << "Please type in a string:" << std::endl;
std::cin >> s;
std::cout << "You type in: " << s << std::endl;
#endif
}
//***************************************************************************
// Name: test_stl
//***************************************************************************/
static void test_stl(void)
static void test_stl()
{
std::cout << "test vector=============================" << std::endl;
std::cout << "Test std::vector =============================" << std::endl;
vector<int> v1;
std::vector<int> v1;
assert(v1.empty());
v1.push_back(1);
@ -140,12 +166,12 @@ static void test_stl(void)
std::cout << "v1=" << v1[0] << ' ' << v1[1] << ' ' << v1[2] << std::endl;
assert(v1[2] == 3);
vector<int> v2 = v1;
std::vector<int> v2 = v1;
assert(v2 == v1);
string words[4] = {"Hello", "World", "Good", "Luck"};
vector<string> v3(words, words + 4);
vector<string>::iterator it;
std::string words[4] = {"Hello", "World", "Good", "Luck"};
std::vector<std::string> v3(words, words + 4);
std::vector<std::string>::iterator it;
for (it = v3.begin(); it != v3.end(); ++it)
{
std::cout << *it << ' ';
@ -154,23 +180,51 @@ static void test_stl(void)
std::cout << std::endl;
assert(v3[1] == "World");
std::cout << "test map================================" << std::endl;
std::cout << "Test std::map ================================" << std::endl;
map<int,string> m1;
std::map<int, std::string> m1;
m1[12] = "Hello";
m1[24] = "World";
assert(m1.size() == 2);
assert(m1[24] == "World");
}
//***************************************************************************
// Name: test_stl2
//***************************************************************************/
#if __cplusplus >= 201703L
auto test_stl2() -> void
{
std::cout << "Test C++17 features ==========================" << std::endl;
auto check = [](auto&& path)
{
if (File::open(path))
{
std::cout << "File " << path << " exists!" << std::endl;
}
else
{
std::cerr << "Invalid file! " << path << std::endl;
}
};
std::array<std::string_view, 3> path_list{
"/proc/meminfo", "/invalid", "/proc/version"
};
std::for_each(path_list.cbegin(), path_list.cend(), check);
}
#endif
//***************************************************************************
// Name: test_rtti
//***************************************************************************/
#ifdef CONFIG_CXX_RTTI
static void test_rtti(void)
static void test_rtti()
{
std::cout << "test rtti===============================" << std::endl;
std::cout << "Test RTTI ====================================" << std::endl;
Base *a = new Base();
Base *b = new Extend();
assert(a);
@ -193,14 +247,14 @@ static void test_rtti(void)
//***************************************************************************/
#ifdef CONFIG_CXX_EXCEPTION
static void test_exception(void)
static void test_exception()
{
std::cout << "test exception==========================" << std::endl;
std::cout << "Test Exception ===============================" << std::endl;
try
{
throw runtime_error("runtime error");
throw std::runtime_error("runtime error");
}
catch (runtime_error &e)
catch (std::runtime_error &e)
{
std::cout << "Catch exception: " << e.what() << std::endl;
}
@ -220,6 +274,9 @@ extern "C" int main(int argc, char *argv[])
test_ofstream();
test_iostream();
test_stl();
#if __cplusplus >= 201703L
test_stl2();
#endif
#ifdef CONFIG_CXX_RTTI
test_rtti();
#endif