From 5e54d17fc535a901f384fcbf2cfd420f3a2e7a81 Mon Sep 17 00:00:00 2001 From: Michael Wallner Date: Sat, 22 Aug 2020 09:13:03 +0200 Subject: [PATCH] tests: investigating catch2 --- CMakeLists.txt | 1 + testing/CMakeLists.txt | 17 + testing/lib/Cluster.cpp | 72 + testing/lib/Cluster.hpp | 34 + testing/lib/Poll.cpp | 44 + testing/lib/Poll.hpp | 22 + testing/lib/Server.cpp | 170 + testing/lib/Server.hpp | 86 + testing/lib/WaitForConn.cpp | 51 + testing/lib/WaitForConn.hpp | 31 + testing/lib/WaitForExec.cpp | 42 + testing/lib/WaitForExec.hpp | 18 + testing/lib/catch.hpp | 17799 ++++++++++++++++++++++ testing/lib/catch_reporter_teamcity.hpp | 219 + testing/lib/random_.cpp | 38 + testing/lib/random_.hpp | 17 + testing/main.cpp | 2 + testing/server.cpp | 51 + 18 files changed, 18714 insertions(+) create mode 100644 testing/CMakeLists.txt create mode 100644 testing/lib/Cluster.cpp create mode 100644 testing/lib/Cluster.hpp create mode 100644 testing/lib/Poll.cpp create mode 100644 testing/lib/Poll.hpp create mode 100644 testing/lib/Server.cpp create mode 100644 testing/lib/Server.hpp create mode 100644 testing/lib/WaitForConn.cpp create mode 100644 testing/lib/WaitForConn.hpp create mode 100644 testing/lib/WaitForExec.cpp create mode 100644 testing/lib/WaitForExec.hpp create mode 100644 testing/lib/catch.hpp create mode 100644 testing/lib/catch_reporter_teamcity.hpp create mode 100644 testing/lib/random_.cpp create mode 100644 testing/lib/random_.hpp create mode 100644 testing/main.cpp create mode 100644 testing/server.cpp diff --git a/CMakeLists.txt b/CMakeLists.txt index f559febd..2dc6982b 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -49,6 +49,7 @@ if(NOT BUILD_DOCSONLY) add_subdirectory(support) if(BUILD_TESTING) + add_subdirectory(testing) add_subdirectory(tests) endif() diff --git a/testing/CMakeLists.txt b/testing/CMakeLists.txt new file mode 100644 index 00000000..4bfcff81 --- /dev/null +++ b/testing/CMakeLists.txt @@ -0,0 +1,17 @@ + +add_executable(catch_main + main.cpp + + lib/random_.cpp + + lib/Cluster.cpp + lib/Poll.cpp + lib/Server.cpp + lib/WaitForConn.cpp + lib/WaitForExec.cpp + + server.cpp + ) + +set_target_properties(catch_main PROPERTIES + CXX_STANDARD 17) diff --git a/testing/lib/Cluster.cpp b/testing/lib/Cluster.cpp new file mode 100644 index 00000000..8a601495 --- /dev/null +++ b/testing/lib/Cluster.cpp @@ -0,0 +1,72 @@ +#include "Cluster.hpp" + +#include + +void Cluster::reset() { + pids.clear(); + cluster.clear(); + for (int i = 0; i < count; ++i) { + cluster.push_back(proto); + } +} + +bool Cluster::start() { + bool started = true; + + for (auto &server : cluster) { + auto pid = server.start(); + if (started &= pid.has_value()) { + pids[*pid] = &server; + } + } + + return started; +} + +void Cluster::stop() { + for (auto &server : cluster) { + server.stop(); + } +} + +bool Cluster::isStopped() { + for (auto &server : cluster) { + if (server.getPid() && !server.tryWait()) { + return false; + } + } + return true; +} + +bool Cluster::isListening(int max_timeout) { + vector conns; + + for (auto &server : cluster) { + auto conn = server.createSocket(); + if (!conn) { + return false; + } + conns.emplace_back(conn.value()); + } + + WaitForConn wait_for_conn{ + std::move(conns), + Poll{POLLOUT, 2, max_timeout} + }; + return wait_for_conn(); +} + +void Cluster::wait() { + siginfo_t inf; + + while (!isStopped()) { + if (waitid(P_ALL, 0, &inf, WEXITED | WNOWAIT)) { + perror("Cluster::wait waitid()"); + return; + } + + if (pids[inf.si_pid]) { + pids[inf.si_pid]->wait(); + } + } +} diff --git a/testing/lib/Cluster.hpp b/testing/lib/Cluster.hpp new file mode 100644 index 00000000..d6a11a7e --- /dev/null +++ b/testing/lib/Cluster.hpp @@ -0,0 +1,34 @@ +#pragma once + +#include "Server.hpp" + +#include +#include + +class Cluster { +private: + uint16_t count; + Server proto; + vector cluster; + + map pids; + +public: + explicit + Cluster(Server &&serv, uint16_t cnt = 0) + : count{cnt} + , proto{serv} + { + if (!cnt) { + count = thread::hardware_concurrency() ?: 4; + } + reset(); + } + + bool start(); + void stop(); + void reset(); + bool isStopped(); + bool isListening(int max_timeout = 1000); + void wait(); +}; diff --git a/testing/lib/Poll.cpp b/testing/lib/Poll.cpp new file mode 100644 index 00000000..ac17e726 --- /dev/null +++ b/testing/lib/Poll.cpp @@ -0,0 +1,44 @@ +#include "Poll.hpp" + +#include +#include +#include +#include + +#include + +using namespace std; + +bool Poll::operator() (const vector &fds) { + vector pfds; + + pfds.reserve(fds.size()); + for (auto fd : fds) { + pfds.emplace_back(pollfd{fd, events, 0}); + } + + while (!pfds.empty() && timeout <= max) { + auto nfds = poll(pfds.data(), pfds.size(), timeout); + + if (nfds == -1) { + perror("Poll::() poll()"); + return false; + } + + /* timeout */ + if (!nfds) { + timeout = ceil(static_cast(timeout) * growth); + continue; + } + + auto pred = [](const pollfd &pfd){ + return pfd.revents & POLLHUP + || pfd.revents & POLLERR + || pfd.revents & pfd.events; + }; + auto iter = remove_if(pfds.begin(), pfds.end(), pred); + pfds.erase(iter, pfds.end()); + } + + return pfds.empty(); +} diff --git a/testing/lib/Poll.hpp b/testing/lib/Poll.hpp new file mode 100644 index 00000000..0b00e237 --- /dev/null +++ b/testing/lib/Poll.hpp @@ -0,0 +1,22 @@ +#pragma once + +#include + +using namespace std; + +class Poll { +private: + short events; + int timeout, max; + float growth; + +public: + explicit Poll(short events_ = 0, int timeout_ = 20, int max_ = 1000, float growth_ = 1.1) + : events{events_} + , timeout{timeout_} + , max{max_} + , growth{growth_} + {} + + bool operator () (const vector &fds); +}; diff --git a/testing/lib/Server.cpp b/testing/lib/Server.cpp new file mode 100644 index 00000000..bc5de99f --- /dev/null +++ b/testing/lib/Server.cpp @@ -0,0 +1,170 @@ +#include "Server.hpp" +#include "WaitForExec.hpp" +#include "WaitForConn.hpp" + +#include +#include +#include +#include +#include +#include + +#include +#include + +using namespace std; + +[[nodiscard]] +auto Server::createArgv() { + auto i = 0, port = -1, socket = -1; + auto arr = new char *[str_args.size() + dyn_args.size()*2 + 2] { + strdup(binary.c_str()) + }; + + for (auto &arg : str_args) { + arr[++i] = strdup(arg.c_str()); + if (arg == "-p") { + port = i + 1; + } else if (arg == "-s") { + socket = i + 1; + } + } + for (auto &arg : dyn_args) { + arr[++i] = strdup(arg.first.c_str()); + arr[++i] = strdup(arg.second(arg.first).c_str()); + if (arg.first == "-p") { + port = i; + } else if (arg.first == "-s") { + socket = i; + } + + } + arr[i+1] = nullptr; + + if (socket > -1) { + socket_or_port = arr[socket]; + } else if (port > -1) { + socket_or_port = stoi(arr[port]); + } else { + socket_or_port = 11211; + } + + return arr; +} + +[[nodiscard]] +optional Server::createSocket() { + sockaddr_storage addr; + unsigned size = 0; + int sock; + + if (holds_alternative(socket_or_port)) { + const auto path = get(socket_or_port); + const auto safe = path.c_str(); + const auto zlen = path.length() + 1; + const auto ulen = sizeof(sockaddr_un) - sizeof(sa_family_t); + + if (zlen >= ulen) { + cerr << "Server::isListening socket(): path too long '" << path << "'\n"; + return {}; + } + + if (0 > (sock = socket(AF_UNIX, SOCK_STREAM|SOCK_NONBLOCK|SOCK_CLOEXEC, 0))) { + perror("Server::isListening socket()"); + return {}; + } + + auto sa = reinterpret_cast(&addr); + sa->sun_family = AF_UNIX; + strncpy(sa->sun_path, safe, zlen); + + size = sizeof(*sa); + } else { + if (0 > (sock = socket(AF_INET, SOCK_STREAM|SOCK_NONBLOCK|SOCK_CLOEXEC, 0))) { + perror("Server::isListening socket()"); + return {}; + } + + const auto port = get(socket_or_port); + auto sa = reinterpret_cast(&addr); + sa->sin_family = AF_INET; + sa->sin_port = htons(static_cast(port)), + sa->sin_addr.s_addr = htonl(INADDR_LOOPBACK); + + size = sizeof(*sa); + } + + return optional{make_tuple(sock, addr, size)}; +} + +optional Server::start() { + if (pid) { + return pid; + } + + WaitForExec wait_for_exec; + + switch (pid = fork()) { + case 0: + execvp(binary.c_str(), createArgv()); + [[fallthrough]]; + case -1: + perror("Server::start fork() & exec()"); + return {}; + + default: + if (!wait_for_exec()) { + cerr << "Server::start exec(): incomplete\n"; + } + return pid; + } +} + +bool Server::isListening(int max_timeout) { + auto conn = createSocket(); + + if (!conn) { + return false; + } + + WaitForConn wait_for_conn{ + {conn.value()}, + Poll{POLLOUT, 2, max_timeout} + }; + return wait_for_conn(); +} + +bool Server::stop() { + if (!pid) { + return true; + } + if (signalled[SIGTERM]) { + return signal(SIGKILL); + } else { + return signal(SIGTERM); + } +} + +bool Server::signal(int signo) { + if (!pid) { + return false; + } + signalled[signo] += 1; + return 0 <= kill(pid, signo); +} + +bool Server::check() { + return signal(0); +} + +bool Server::wait(int flags) { + if (pid && pid == waitpid(pid, &status, flags)) { + pid = 0; + return true; + } + return false; +} + +bool Server::tryWait() { + return wait(WNOHANG); +} diff --git a/testing/lib/Server.hpp b/testing/lib/Server.hpp new file mode 100644 index 00000000..b411f4e3 --- /dev/null +++ b/testing/lib/Server.hpp @@ -0,0 +1,86 @@ +#pragma once + +#include "WaitForConn.hpp" + +#include + +#include +#include +#include +#include +#include + +using namespace std; + +class Server { + friend class Cluster; + +public: + using str_args_t = vector; + using dyn_args_t = unordered_map>; + using socket_or_port_t = variant; + +private: + string binary; + str_args_t str_args; + dyn_args_t dyn_args; + pid_t pid = 0; + + int status = 0; + unordered_map signalled; + socket_or_port_t socket_or_port{11211}; + +public: + explicit + Server(string &&binary_, str_args_t &&str_args_ = {}, dyn_args_t &&dyn_args_ = {}) + : binary{binary_} + , str_args{str_args_} + , dyn_args{dyn_args_} + {} + + Server(string &&binary_, dyn_args_t &&dyn_args_) + : binary{binary_} + , str_args{} + , dyn_args{dyn_args_} + {} + + ~Server() { + stop(); + wait(); + } + + Server &operator = (const Server &s) = default; + Server(const Server &s) = default; + + Server &operator = (Server &&s) = default; + Server(Server &&s) = default; + + pid_t getPid() const { + return pid; + } + + const string &getBinary() const { + return binary; + } + + const socket_or_port_t &getSocketOrPort() const { + return socket_or_port; + } + + optional start(); + bool stop(); + + bool signal(int signo = SIGTERM); + bool check(); + bool isListening(int max_timeout = 1000); + + bool wait(int flags = 0); + bool tryWait(); + +private: + [[nodiscard]] + auto createArgv(); + + [[nodiscard]] + optional createSocket(); +}; diff --git a/testing/lib/WaitForConn.cpp b/testing/lib/WaitForConn.cpp new file mode 100644 index 00000000..9d819d6a --- /dev/null +++ b/testing/lib/WaitForConn.cpp @@ -0,0 +1,51 @@ +#include "WaitForConn.hpp" + +#include +#include +#include +#include + +bool WaitForConn::connect(const conn_t &conn) { + int sock; + unsigned size; + sockaddr_storage addr; + + tie(sock, addr, size) = conn; + + connect_again: + if (0 == ::connect(sock, reinterpret_cast(&addr), size)) { + close(sock); + return true; + } + + switch (errno) { + case EINTR: + goto connect_again; + case EAGAIN: + case EALREADY: + case EINPROGRESS: + case EISCONN: + case ETIMEDOUT: + break; + default: + perror("WaitForConn::connect connect()"); + close(sock); + return false; + } + + return true; +} + +bool WaitForConn::operator () () { + vector fds; + + fds.reserve(conns.size()); + for (const auto &conn : conns) { + if (!connect(conn)) { + return false; + } + fds.push_back(get<0>(conn)); + } + + return poll(fds); +} diff --git a/testing/lib/WaitForConn.hpp b/testing/lib/WaitForConn.hpp new file mode 100644 index 00000000..758c856a --- /dev/null +++ b/testing/lib/WaitForConn.hpp @@ -0,0 +1,31 @@ +#pragma once + +#include "Poll.hpp" + +#include +#include + +#include +#include + +using namespace std; + +class WaitForConn { +public: + using conn_t = tuple; + +private: + vector conns; + Poll poll; + +public: + explicit + WaitForConn(vector &&conns_, Poll &&poll_ = Poll{POLLOUT}) + : conns{conns_} + , poll{poll_} + { } + + static bool connect(const conn_t &conn); + + bool operator () (); +}; diff --git a/testing/lib/WaitForExec.cpp b/testing/lib/WaitForExec.cpp new file mode 100644 index 00000000..fd25f0fe --- /dev/null +++ b/testing/lib/WaitForExec.cpp @@ -0,0 +1,42 @@ +#include "WaitForExec.hpp" + +#include +#include + +#include +#include + +#include + +using namespace std; + +WaitForExec::WaitForExec(Poll &&poll_) +: poll{poll_} +{ + if (pipe2(pipes, O_CLOEXEC|O_NONBLOCK)) { + int error = errno; + perror("Server::start pipe2()"); + throw system_error(error, system_category()); + } +} + +WaitForExec::~WaitForExec() { + if (pipes[0] != -1) { + close(pipes[0]); + } + if (pipes[1] != -1) { + close(pipes[1]); + } +} + +bool WaitForExec::operator()() { + if (pipes[0] == -1) { + return false; + } + if (pipes[1] != -1) { + close(pipes[1]); + pipes[1] = -1; + } + + return poll(initializer_list{pipes[0]}); +} diff --git a/testing/lib/WaitForExec.hpp b/testing/lib/WaitForExec.hpp new file mode 100644 index 00000000..d067cbb5 --- /dev/null +++ b/testing/lib/WaitForExec.hpp @@ -0,0 +1,18 @@ +#pragma once + +#include "Poll.hpp" + +class WaitForExec { +private: + Poll poll; + int pipes[2]; + +public: + explicit WaitForExec(Poll &&poll = Poll{0}); + ~WaitForExec(); + + WaitForExec(const WaitForExec &) = delete; + WaitForExec(WaitForExec &&) = default; + + bool operator () (); +}; diff --git a/testing/lib/catch.hpp b/testing/lib/catch.hpp new file mode 100644 index 00000000..cf1fae15 --- /dev/null +++ b/testing/lib/catch.hpp @@ -0,0 +1,17799 @@ +/* + * Catch v2.13.0 + * Generated: 2020-07-12 20:07:49.015950 + * ---------------------------------------------------------- + * This file has been merged from multiple headers. Please don't edit it directly + * Copyright (c) 2020 Two Blue Cubes Ltd. All rights reserved. + * + * Distributed under the Boost Software License, Version 1.0. (See accompanying + * file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) + */ +#ifndef TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED +#define TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED +// start catch.hpp + + +#define CATCH_VERSION_MAJOR 2 +#define CATCH_VERSION_MINOR 13 +#define CATCH_VERSION_PATCH 0 + +#ifdef __clang__ +# pragma clang system_header +#elif defined __GNUC__ +# pragma GCC system_header +#endif + +// start catch_suppress_warnings.h + +#ifdef __clang__ +# ifdef __ICC // icpc defines the __clang__ macro +# pragma warning(push) +# pragma warning(disable: 161 1682) +# else // __ICC +# pragma clang diagnostic push +# pragma clang diagnostic ignored "-Wpadded" +# pragma clang diagnostic ignored "-Wswitch-enum" +# pragma clang diagnostic ignored "-Wcovered-switch-default" +# endif +#elif defined __GNUC__ + // Because REQUIREs trigger GCC's -Wparentheses, and because still + // supported version of g++ have only buggy support for _Pragmas, + // Wparentheses have to be suppressed globally. +# pragma GCC diagnostic ignored "-Wparentheses" // See #674 for details + +# pragma GCC diagnostic push +# pragma GCC diagnostic ignored "-Wunused-variable" +# pragma GCC diagnostic ignored "-Wpadded" +#endif +// end catch_suppress_warnings.h +#if defined(CATCH_CONFIG_MAIN) || defined(CATCH_CONFIG_RUNNER) +# define CATCH_IMPL +# define CATCH_CONFIG_ALL_PARTS +#endif + +// In the impl file, we want to have access to all parts of the headers +// Can also be used to sanely support PCHs +#if defined(CATCH_CONFIG_ALL_PARTS) +# define CATCH_CONFIG_EXTERNAL_INTERFACES +# if defined(CATCH_CONFIG_DISABLE_MATCHERS) +# undef CATCH_CONFIG_DISABLE_MATCHERS +# endif +# if !defined(CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER) +# define CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER +# endif +#endif + +#if !defined(CATCH_CONFIG_IMPL_ONLY) +// start catch_platform.h + +#ifdef __APPLE__ +# include +# if TARGET_OS_OSX == 1 +# define CATCH_PLATFORM_MAC +# elif TARGET_OS_IPHONE == 1 +# define CATCH_PLATFORM_IPHONE +# endif + +#elif defined(linux) || defined(__linux) || defined(__linux__) +# define CATCH_PLATFORM_LINUX + +#elif defined(WIN32) || defined(__WIN32__) || defined(_WIN32) || defined(_MSC_VER) || defined(__MINGW32__) +# define CATCH_PLATFORM_WINDOWS +#endif + +// end catch_platform.h + +#ifdef CATCH_IMPL +# ifndef CLARA_CONFIG_MAIN +# define CLARA_CONFIG_MAIN_NOT_DEFINED +# define CLARA_CONFIG_MAIN +# endif +#endif + +// start catch_user_interfaces.h + +namespace Catch { + unsigned int rngSeed(); +} + +// end catch_user_interfaces.h +// start catch_tag_alias_autoregistrar.h + +// start catch_common.h + +// start catch_compiler_capabilities.h + +// Detect a number of compiler features - by compiler +// The following features are defined: +// +// CATCH_CONFIG_COUNTER : is the __COUNTER__ macro supported? +// CATCH_CONFIG_WINDOWS_SEH : is Windows SEH supported? +// CATCH_CONFIG_POSIX_SIGNALS : are POSIX signals supported? +// CATCH_CONFIG_DISABLE_EXCEPTIONS : Are exceptions enabled? +// **************** +// Note to maintainers: if new toggles are added please document them +// in configuration.md, too +// **************** + +// In general each macro has a _NO_ form +// (e.g. CATCH_CONFIG_NO_POSIX_SIGNALS) which disables the feature. +// Many features, at point of detection, define an _INTERNAL_ macro, so they +// can be combined, en-mass, with the _NO_ forms later. + +#ifdef __cplusplus + +# if (__cplusplus >= 201402L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 201402L) +# define CATCH_CPP14_OR_GREATER +# endif + +# if (__cplusplus >= 201703L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) +# define CATCH_CPP17_OR_GREATER +# endif + +#endif + +#if defined(__cpp_lib_uncaught_exceptions) +# define CATCH_INTERNAL_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS +#endif + +// We have to avoid both ICC and Clang, because they try to mask themselves +// as gcc, and we want only GCC in this block +#if defined(__GNUC__) && !defined(__clang__) && !defined(__ICC) +# define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION _Pragma( "GCC diagnostic push" ) +# define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION _Pragma( "GCC diagnostic pop" ) + +# define CATCH_INTERNAL_IGNORE_BUT_WARN(...) (void)__builtin_constant_p(__VA_ARGS__) + +#endif + +#if defined(__clang__) + +# define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION _Pragma( "clang diagnostic push" ) +# define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION _Pragma( "clang diagnostic pop" ) + +// As of this writing, IBM XL's implementation of __builtin_constant_p has a bug +// which results in calls to destructors being emitted for each temporary, +// without a matching initialization. In practice, this can result in something +// like `std::string::~string` being called on an uninitialized value. +// +// For example, this code will likely segfault under IBM XL: +// ``` +// REQUIRE(std::string("12") + "34" == "1234") +// ``` +// +// Therefore, `CATCH_INTERNAL_IGNORE_BUT_WARN` is not implemented. +# if !defined(__ibmxl__) +# define CATCH_INTERNAL_IGNORE_BUT_WARN(...) (void)__builtin_constant_p(__VA_ARGS__) /* NOLINT(cppcoreguidelines-pro-type-vararg, hicpp-vararg) */ +# endif + +# define CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \ + _Pragma( "clang diagnostic ignored \"-Wexit-time-destructors\"" ) \ + _Pragma( "clang diagnostic ignored \"-Wglobal-constructors\"") + +# define CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS \ + _Pragma( "clang diagnostic ignored \"-Wparentheses\"" ) + +# define CATCH_INTERNAL_SUPPRESS_UNUSED_WARNINGS \ + _Pragma( "clang diagnostic ignored \"-Wunused-variable\"" ) + +# define CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS \ + _Pragma( "clang diagnostic ignored \"-Wgnu-zero-variadic-macro-arguments\"" ) + +# define CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS \ + _Pragma( "clang diagnostic ignored \"-Wunused-template\"" ) + +#endif // __clang__ + +//////////////////////////////////////////////////////////////////////////////// +// Assume that non-Windows platforms support posix signals by default +#if !defined(CATCH_PLATFORM_WINDOWS) + #define CATCH_INTERNAL_CONFIG_POSIX_SIGNALS +#endif + +//////////////////////////////////////////////////////////////////////////////// +// We know some environments not to support full POSIX signals +#if defined(__CYGWIN__) || defined(__QNX__) || defined(__EMSCRIPTEN__) || defined(__DJGPP__) + #define CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS +#endif + +#ifdef __OS400__ +# define CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS +# define CATCH_CONFIG_COLOUR_NONE +#endif + +//////////////////////////////////////////////////////////////////////////////// +// Android somehow still does not support std::to_string +#if defined(__ANDROID__) +# define CATCH_INTERNAL_CONFIG_NO_CPP11_TO_STRING +# define CATCH_INTERNAL_CONFIG_ANDROID_LOGWRITE +#endif + +//////////////////////////////////////////////////////////////////////////////// +// Not all Windows environments support SEH properly +#if defined(__MINGW32__) +# define CATCH_INTERNAL_CONFIG_NO_WINDOWS_SEH +#endif + +//////////////////////////////////////////////////////////////////////////////// +// PS4 +#if defined(__ORBIS__) +# define CATCH_INTERNAL_CONFIG_NO_NEW_CAPTURE +#endif + +//////////////////////////////////////////////////////////////////////////////// +// Cygwin +#ifdef __CYGWIN__ + +// Required for some versions of Cygwin to declare gettimeofday +// see: http://stackoverflow.com/questions/36901803/gettimeofday-not-declared-in-this-scope-cygwin +# define _BSD_SOURCE +// some versions of cygwin (most) do not support std::to_string. Use the libstd check. +// https://gcc.gnu.org/onlinedocs/gcc-4.8.2/libstdc++/api/a01053_source.html line 2812-2813 +# if !((__cplusplus >= 201103L) && defined(_GLIBCXX_USE_C99) \ + && !defined(_GLIBCXX_HAVE_BROKEN_VSWPRINTF)) + +# define CATCH_INTERNAL_CONFIG_NO_CPP11_TO_STRING + +# endif +#endif // __CYGWIN__ + +//////////////////////////////////////////////////////////////////////////////// +// Visual C++ +#if defined(_MSC_VER) + +# define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION __pragma( warning(push) ) +# define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION __pragma( warning(pop) ) + +# if _MSC_VER >= 1900 // Visual Studio 2015 or newer +# define CATCH_INTERNAL_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS +# endif + +// Universal Windows platform does not support SEH +// Or console colours (or console at all...) +# if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_APP) +# define CATCH_CONFIG_COLOUR_NONE +# else +# define CATCH_INTERNAL_CONFIG_WINDOWS_SEH +# endif + +// MSVC traditional preprocessor needs some workaround for __VA_ARGS__ +// _MSVC_TRADITIONAL == 0 means new conformant preprocessor +// _MSVC_TRADITIONAL == 1 means old traditional non-conformant preprocessor +# if !defined(__clang__) // Handle Clang masquerading for msvc +# if !defined(_MSVC_TRADITIONAL) || (defined(_MSVC_TRADITIONAL) && _MSVC_TRADITIONAL) +# define CATCH_INTERNAL_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR +# endif // MSVC_TRADITIONAL +# endif // __clang__ + +#endif // _MSC_VER + +#if defined(_REENTRANT) || defined(_MSC_VER) +// Enable async processing, as -pthread is specified or no additional linking is required +# define CATCH_INTERNAL_CONFIG_USE_ASYNC +#endif // _MSC_VER + +//////////////////////////////////////////////////////////////////////////////// +// Check if we are compiled with -fno-exceptions or equivalent +#if defined(__EXCEPTIONS) || defined(__cpp_exceptions) || defined(_CPPUNWIND) +# define CATCH_INTERNAL_CONFIG_EXCEPTIONS_ENABLED +#endif + +//////////////////////////////////////////////////////////////////////////////// +// DJGPP +#ifdef __DJGPP__ +# define CATCH_INTERNAL_CONFIG_NO_WCHAR +#endif // __DJGPP__ + +//////////////////////////////////////////////////////////////////////////////// +// Embarcadero C++Build +#if defined(__BORLANDC__) + #define CATCH_INTERNAL_CONFIG_POLYFILL_ISNAN +#endif + +//////////////////////////////////////////////////////////////////////////////// + +// Use of __COUNTER__ is suppressed during code analysis in +// CLion/AppCode 2017.2.x and former, because __COUNTER__ is not properly +// handled by it. +// Otherwise all supported compilers support COUNTER macro, +// but user still might want to turn it off +#if ( !defined(__JETBRAINS_IDE__) || __JETBRAINS_IDE__ >= 20170300L ) + #define CATCH_INTERNAL_CONFIG_COUNTER +#endif + +//////////////////////////////////////////////////////////////////////////////// + +// RTX is a special version of Windows that is real time. +// This means that it is detected as Windows, but does not provide +// the same set of capabilities as real Windows does. +#if defined(UNDER_RTSS) || defined(RTX64_BUILD) + #define CATCH_INTERNAL_CONFIG_NO_WINDOWS_SEH + #define CATCH_INTERNAL_CONFIG_NO_ASYNC + #define CATCH_CONFIG_COLOUR_NONE +#endif + +#if !defined(_GLIBCXX_USE_C99_MATH_TR1) +#define CATCH_INTERNAL_CONFIG_GLOBAL_NEXTAFTER +#endif + +// Various stdlib support checks that require __has_include +#if defined(__has_include) + // Check if string_view is available and usable + #if __has_include() && defined(CATCH_CPP17_OR_GREATER) + # define CATCH_INTERNAL_CONFIG_CPP17_STRING_VIEW + #endif + + // Check if optional is available and usable + # if __has_include() && defined(CATCH_CPP17_OR_GREATER) + # define CATCH_INTERNAL_CONFIG_CPP17_OPTIONAL + # endif // __has_include() && defined(CATCH_CPP17_OR_GREATER) + + // Check if byte is available and usable + # if __has_include() && defined(CATCH_CPP17_OR_GREATER) + # define CATCH_INTERNAL_CONFIG_CPP17_BYTE + # endif // __has_include() && defined(CATCH_CPP17_OR_GREATER) + + // Check if variant is available and usable + # if __has_include() && defined(CATCH_CPP17_OR_GREATER) + # if defined(__clang__) && (__clang_major__ < 8) + // work around clang bug with libstdc++ https://bugs.llvm.org/show_bug.cgi?id=31852 + // fix should be in clang 8, workaround in libstdc++ 8.2 + # include + # if defined(__GLIBCXX__) && defined(_GLIBCXX_RELEASE) && (_GLIBCXX_RELEASE < 9) + # define CATCH_CONFIG_NO_CPP17_VARIANT + # else + # define CATCH_INTERNAL_CONFIG_CPP17_VARIANT + # endif // defined(__GLIBCXX__) && defined(_GLIBCXX_RELEASE) && (_GLIBCXX_RELEASE < 9) + # else + # define CATCH_INTERNAL_CONFIG_CPP17_VARIANT + # endif // defined(__clang__) && (__clang_major__ < 8) + # endif // __has_include() && defined(CATCH_CPP17_OR_GREATER) +#endif // defined(__has_include) + +#if defined(CATCH_INTERNAL_CONFIG_COUNTER) && !defined(CATCH_CONFIG_NO_COUNTER) && !defined(CATCH_CONFIG_COUNTER) +# define CATCH_CONFIG_COUNTER +#endif +#if defined(CATCH_INTERNAL_CONFIG_WINDOWS_SEH) && !defined(CATCH_CONFIG_NO_WINDOWS_SEH) && !defined(CATCH_CONFIG_WINDOWS_SEH) && !defined(CATCH_INTERNAL_CONFIG_NO_WINDOWS_SEH) +# define CATCH_CONFIG_WINDOWS_SEH +#endif +// This is set by default, because we assume that unix compilers are posix-signal-compatible by default. +#if defined(CATCH_INTERNAL_CONFIG_POSIX_SIGNALS) && !defined(CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS) && !defined(CATCH_CONFIG_NO_POSIX_SIGNALS) && !defined(CATCH_CONFIG_POSIX_SIGNALS) +# define CATCH_CONFIG_POSIX_SIGNALS +#endif +// This is set by default, because we assume that compilers with no wchar_t support are just rare exceptions. +#if !defined(CATCH_INTERNAL_CONFIG_NO_WCHAR) && !defined(CATCH_CONFIG_NO_WCHAR) && !defined(CATCH_CONFIG_WCHAR) +# define CATCH_CONFIG_WCHAR +#endif + +#if !defined(CATCH_INTERNAL_CONFIG_NO_CPP11_TO_STRING) && !defined(CATCH_CONFIG_NO_CPP11_TO_STRING) && !defined(CATCH_CONFIG_CPP11_TO_STRING) +# define CATCH_CONFIG_CPP11_TO_STRING +#endif + +#if defined(CATCH_INTERNAL_CONFIG_CPP17_OPTIONAL) && !defined(CATCH_CONFIG_NO_CPP17_OPTIONAL) && !defined(CATCH_CONFIG_CPP17_OPTIONAL) +# define CATCH_CONFIG_CPP17_OPTIONAL +#endif + +#if defined(CATCH_INTERNAL_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS) && !defined(CATCH_CONFIG_NO_CPP17_UNCAUGHT_EXCEPTIONS) && !defined(CATCH_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS) +# define CATCH_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS +#endif + +#if defined(CATCH_INTERNAL_CONFIG_CPP17_STRING_VIEW) && !defined(CATCH_CONFIG_NO_CPP17_STRING_VIEW) && !defined(CATCH_CONFIG_CPP17_STRING_VIEW) +# define CATCH_CONFIG_CPP17_STRING_VIEW +#endif + +#if defined(CATCH_INTERNAL_CONFIG_CPP17_VARIANT) && !defined(CATCH_CONFIG_NO_CPP17_VARIANT) && !defined(CATCH_CONFIG_CPP17_VARIANT) +# define CATCH_CONFIG_CPP17_VARIANT +#endif + +#if defined(CATCH_INTERNAL_CONFIG_CPP17_BYTE) && !defined(CATCH_CONFIG_NO_CPP17_BYTE) && !defined(CATCH_CONFIG_CPP17_BYTE) +# define CATCH_CONFIG_CPP17_BYTE +#endif + +#if defined(CATCH_CONFIG_EXPERIMENTAL_REDIRECT) +# define CATCH_INTERNAL_CONFIG_NEW_CAPTURE +#endif + +#if defined(CATCH_INTERNAL_CONFIG_NEW_CAPTURE) && !defined(CATCH_INTERNAL_CONFIG_NO_NEW_CAPTURE) && !defined(CATCH_CONFIG_NO_NEW_CAPTURE) && !defined(CATCH_CONFIG_NEW_CAPTURE) +# define CATCH_CONFIG_NEW_CAPTURE +#endif + +#if !defined(CATCH_INTERNAL_CONFIG_EXCEPTIONS_ENABLED) && !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS) +# define CATCH_CONFIG_DISABLE_EXCEPTIONS +#endif + +#if defined(CATCH_INTERNAL_CONFIG_POLYFILL_ISNAN) && !defined(CATCH_CONFIG_NO_POLYFILL_ISNAN) && !defined(CATCH_CONFIG_POLYFILL_ISNAN) +# define CATCH_CONFIG_POLYFILL_ISNAN +#endif + +#if defined(CATCH_INTERNAL_CONFIG_USE_ASYNC) && !defined(CATCH_INTERNAL_CONFIG_NO_ASYNC) && !defined(CATCH_CONFIG_NO_USE_ASYNC) && !defined(CATCH_CONFIG_USE_ASYNC) +# define CATCH_CONFIG_USE_ASYNC +#endif + +#if defined(CATCH_INTERNAL_CONFIG_ANDROID_LOGWRITE) && !defined(CATCH_CONFIG_NO_ANDROID_LOGWRITE) && !defined(CATCH_CONFIG_ANDROID_LOGWRITE) +# define CATCH_CONFIG_ANDROID_LOGWRITE +#endif + +#if defined(CATCH_INTERNAL_CONFIG_GLOBAL_NEXTAFTER) && !defined(CATCH_CONFIG_NO_GLOBAL_NEXTAFTER) && !defined(CATCH_CONFIG_GLOBAL_NEXTAFTER) +# define CATCH_CONFIG_GLOBAL_NEXTAFTER +#endif + +// Even if we do not think the compiler has that warning, we still have +// to provide a macro that can be used by the code. +#if !defined(CATCH_INTERNAL_START_WARNINGS_SUPPRESSION) +# define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION +#endif +#if !defined(CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION) +# define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION +#endif +#if !defined(CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS) +# define CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS +#endif +#if !defined(CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS) +# define CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS +#endif +#if !defined(CATCH_INTERNAL_SUPPRESS_UNUSED_WARNINGS) +# define CATCH_INTERNAL_SUPPRESS_UNUSED_WARNINGS +#endif +#if !defined(CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS) +# define CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS +#endif + +// The goal of this macro is to avoid evaluation of the arguments, but +// still have the compiler warn on problems inside... +#if !defined(CATCH_INTERNAL_IGNORE_BUT_WARN) +# define CATCH_INTERNAL_IGNORE_BUT_WARN(...) +#endif + +#if defined(__APPLE__) && defined(__apple_build_version__) && (__clang_major__ < 10) +# undef CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS +#elif defined(__clang__) && (__clang_major__ < 5) +# undef CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS +#endif + +#if !defined(CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS) +# define CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS +#endif + +#if defined(CATCH_CONFIG_DISABLE_EXCEPTIONS) +#define CATCH_TRY if ((true)) +#define CATCH_CATCH_ALL if ((false)) +#define CATCH_CATCH_ANON(type) if ((false)) +#else +#define CATCH_TRY try +#define CATCH_CATCH_ALL catch (...) +#define CATCH_CATCH_ANON(type) catch (type) +#endif + +#if defined(CATCH_INTERNAL_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR) && !defined(CATCH_CONFIG_NO_TRADITIONAL_MSVC_PREPROCESSOR) && !defined(CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR) +#define CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR +#endif + +// end catch_compiler_capabilities.h +#define INTERNAL_CATCH_UNIQUE_NAME_LINE2( name, line ) name##line +#define INTERNAL_CATCH_UNIQUE_NAME_LINE( name, line ) INTERNAL_CATCH_UNIQUE_NAME_LINE2( name, line ) +#ifdef CATCH_CONFIG_COUNTER +# define INTERNAL_CATCH_UNIQUE_NAME( name ) INTERNAL_CATCH_UNIQUE_NAME_LINE( name, __COUNTER__ ) +#else +# define INTERNAL_CATCH_UNIQUE_NAME( name ) INTERNAL_CATCH_UNIQUE_NAME_LINE( name, __LINE__ ) +#endif + +#include +#include +#include + +// We need a dummy global operator<< so we can bring it into Catch namespace later +struct Catch_global_namespace_dummy {}; +std::ostream& operator<<(std::ostream&, Catch_global_namespace_dummy); + +namespace Catch { + + struct CaseSensitive { enum Choice { + Yes, + No + }; }; + + class NonCopyable { + NonCopyable( NonCopyable const& ) = delete; + NonCopyable( NonCopyable && ) = delete; + NonCopyable& operator = ( NonCopyable const& ) = delete; + NonCopyable& operator = ( NonCopyable && ) = delete; + + protected: + NonCopyable(); + virtual ~NonCopyable(); + }; + + struct SourceLineInfo { + + SourceLineInfo() = delete; + SourceLineInfo( char const* _file, std::size_t _line ) noexcept + : file( _file ), + line( _line ) + {} + + SourceLineInfo( SourceLineInfo const& other ) = default; + SourceLineInfo& operator = ( SourceLineInfo const& ) = default; + SourceLineInfo( SourceLineInfo&& ) noexcept = default; + SourceLineInfo& operator = ( SourceLineInfo&& ) noexcept = default; + + bool empty() const noexcept { return file[0] == '\0'; } + bool operator == ( SourceLineInfo const& other ) const noexcept; + bool operator < ( SourceLineInfo const& other ) const noexcept; + + char const* file; + std::size_t line; + }; + + std::ostream& operator << ( std::ostream& os, SourceLineInfo const& info ); + + // Bring in operator<< from global namespace into Catch namespace + // This is necessary because the overload of operator<< above makes + // lookup stop at namespace Catch + using ::operator<<; + + // Use this in variadic streaming macros to allow + // >> +StreamEndStop + // as well as + // >> stuff +StreamEndStop + struct StreamEndStop { + std::string operator+() const; + }; + template + T const& operator + ( T const& value, StreamEndStop ) { + return value; + } +} + +#define CATCH_INTERNAL_LINEINFO \ + ::Catch::SourceLineInfo( __FILE__, static_cast( __LINE__ ) ) + +// end catch_common.h +namespace Catch { + + struct RegistrarForTagAliases { + RegistrarForTagAliases( char const* alias, char const* tag, SourceLineInfo const& lineInfo ); + }; + +} // end namespace Catch + +#define CATCH_REGISTER_TAG_ALIAS( alias, spec ) \ + CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \ + CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \ + namespace{ Catch::RegistrarForTagAliases INTERNAL_CATCH_UNIQUE_NAME( AutoRegisterTagAlias )( alias, spec, CATCH_INTERNAL_LINEINFO ); } \ + CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION + +// end catch_tag_alias_autoregistrar.h +// start catch_test_registry.h + +// start catch_interfaces_testcase.h + +#include + +namespace Catch { + + class TestSpec; + + struct ITestInvoker { + virtual void invoke () const = 0; + virtual ~ITestInvoker(); + }; + + class TestCase; + struct IConfig; + + struct ITestCaseRegistry { + virtual ~ITestCaseRegistry(); + virtual std::vector const& getAllTests() const = 0; + virtual std::vector const& getAllTestsSorted( IConfig const& config ) const = 0; + }; + + bool isThrowSafe( TestCase const& testCase, IConfig const& config ); + bool matchTest( TestCase const& testCase, TestSpec const& testSpec, IConfig const& config ); + std::vector filterTests( std::vector const& testCases, TestSpec const& testSpec, IConfig const& config ); + std::vector const& getAllTestCasesSorted( IConfig const& config ); + +} + +// end catch_interfaces_testcase.h +// start catch_stringref.h + +#include +#include +#include +#include + +namespace Catch { + + /// A non-owning string class (similar to the forthcoming std::string_view) + /// Note that, because a StringRef may be a substring of another string, + /// it may not be null terminated. + class StringRef { + public: + using size_type = std::size_t; + using const_iterator = const char*; + + private: + static constexpr char const* const s_empty = ""; + + char const* m_start = s_empty; + size_type m_size = 0; + + public: // construction + constexpr StringRef() noexcept = default; + + StringRef( char const* rawChars ) noexcept; + + constexpr StringRef( char const* rawChars, size_type size ) noexcept + : m_start( rawChars ), + m_size( size ) + {} + + StringRef( std::string const& stdString ) noexcept + : m_start( stdString.c_str() ), + m_size( stdString.size() ) + {} + + explicit operator std::string() const { + return std::string(m_start, m_size); + } + + public: // operators + auto operator == ( StringRef const& other ) const noexcept -> bool; + auto operator != (StringRef const& other) const noexcept -> bool { + return !(*this == other); + } + + auto operator[] ( size_type index ) const noexcept -> char { + assert(index < m_size); + return m_start[index]; + } + + public: // named queries + constexpr auto empty() const noexcept -> bool { + return m_size == 0; + } + constexpr auto size() const noexcept -> size_type { + return m_size; + } + + // Returns the current start pointer. If the StringRef is not + // null-terminated, throws std::domain_exception + auto c_str() const -> char const*; + + public: // substrings and searches + // Returns a substring of [start, start + length). + // If start + length > size(), then the substring is [start, size()). + // If start > size(), then the substring is empty. + auto substr( size_type start, size_type length ) const noexcept -> StringRef; + + // Returns the current start pointer. May not be null-terminated. + auto data() const noexcept -> char const*; + + constexpr auto isNullTerminated() const noexcept -> bool { + return m_start[m_size] == '\0'; + } + + public: // iterators + constexpr const_iterator begin() const { return m_start; } + constexpr const_iterator end() const { return m_start + m_size; } + }; + + auto operator += ( std::string& lhs, StringRef const& sr ) -> std::string&; + auto operator << ( std::ostream& os, StringRef const& sr ) -> std::ostream&; + + constexpr auto operator "" _sr( char const* rawChars, std::size_t size ) noexcept -> StringRef { + return StringRef( rawChars, size ); + } +} // namespace Catch + +constexpr auto operator "" _catch_sr( char const* rawChars, std::size_t size ) noexcept -> Catch::StringRef { + return Catch::StringRef( rawChars, size ); +} + +// end catch_stringref.h +// start catch_preprocessor.hpp + + +#define CATCH_RECURSION_LEVEL0(...) __VA_ARGS__ +#define CATCH_RECURSION_LEVEL1(...) CATCH_RECURSION_LEVEL0(CATCH_RECURSION_LEVEL0(CATCH_RECURSION_LEVEL0(__VA_ARGS__))) +#define CATCH_RECURSION_LEVEL2(...) CATCH_RECURSION_LEVEL1(CATCH_RECURSION_LEVEL1(CATCH_RECURSION_LEVEL1(__VA_ARGS__))) +#define CATCH_RECURSION_LEVEL3(...) CATCH_RECURSION_LEVEL2(CATCH_RECURSION_LEVEL2(CATCH_RECURSION_LEVEL2(__VA_ARGS__))) +#define CATCH_RECURSION_LEVEL4(...) CATCH_RECURSION_LEVEL3(CATCH_RECURSION_LEVEL3(CATCH_RECURSION_LEVEL3(__VA_ARGS__))) +#define CATCH_RECURSION_LEVEL5(...) CATCH_RECURSION_LEVEL4(CATCH_RECURSION_LEVEL4(CATCH_RECURSION_LEVEL4(__VA_ARGS__))) + +#ifdef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR +#define INTERNAL_CATCH_EXPAND_VARGS(...) __VA_ARGS__ +// MSVC needs more evaluations +#define CATCH_RECURSION_LEVEL6(...) CATCH_RECURSION_LEVEL5(CATCH_RECURSION_LEVEL5(CATCH_RECURSION_LEVEL5(__VA_ARGS__))) +#define CATCH_RECURSE(...) CATCH_RECURSION_LEVEL6(CATCH_RECURSION_LEVEL6(__VA_ARGS__)) +#else +#define CATCH_RECURSE(...) CATCH_RECURSION_LEVEL5(__VA_ARGS__) +#endif + +#define CATCH_REC_END(...) +#define CATCH_REC_OUT + +#define CATCH_EMPTY() +#define CATCH_DEFER(id) id CATCH_EMPTY() + +#define CATCH_REC_GET_END2() 0, CATCH_REC_END +#define CATCH_REC_GET_END1(...) CATCH_REC_GET_END2 +#define CATCH_REC_GET_END(...) CATCH_REC_GET_END1 +#define CATCH_REC_NEXT0(test, next, ...) next CATCH_REC_OUT +#define CATCH_REC_NEXT1(test, next) CATCH_DEFER ( CATCH_REC_NEXT0 ) ( test, next, 0) +#define CATCH_REC_NEXT(test, next) CATCH_REC_NEXT1(CATCH_REC_GET_END test, next) + +#define CATCH_REC_LIST0(f, x, peek, ...) , f(x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST1) ) ( f, peek, __VA_ARGS__ ) +#define CATCH_REC_LIST1(f, x, peek, ...) , f(x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST0) ) ( f, peek, __VA_ARGS__ ) +#define CATCH_REC_LIST2(f, x, peek, ...) f(x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST1) ) ( f, peek, __VA_ARGS__ ) + +#define CATCH_REC_LIST0_UD(f, userdata, x, peek, ...) , f(userdata, x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST1_UD) ) ( f, userdata, peek, __VA_ARGS__ ) +#define CATCH_REC_LIST1_UD(f, userdata, x, peek, ...) , f(userdata, x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST0_UD) ) ( f, userdata, peek, __VA_ARGS__ ) +#define CATCH_REC_LIST2_UD(f, userdata, x, peek, ...) f(userdata, x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST1_UD) ) ( f, userdata, peek, __VA_ARGS__ ) + +// Applies the function macro `f` to each of the remaining parameters, inserts commas between the results, +// and passes userdata as the first parameter to each invocation, +// e.g. CATCH_REC_LIST_UD(f, x, a, b, c) evaluates to f(x, a), f(x, b), f(x, c) +#define CATCH_REC_LIST_UD(f, userdata, ...) CATCH_RECURSE(CATCH_REC_LIST2_UD(f, userdata, __VA_ARGS__, ()()(), ()()(), ()()(), 0)) + +#define CATCH_REC_LIST(f, ...) CATCH_RECURSE(CATCH_REC_LIST2(f, __VA_ARGS__, ()()(), ()()(), ()()(), 0)) + +#define INTERNAL_CATCH_EXPAND1(param) INTERNAL_CATCH_EXPAND2(param) +#define INTERNAL_CATCH_EXPAND2(...) INTERNAL_CATCH_NO## __VA_ARGS__ +#define INTERNAL_CATCH_DEF(...) INTERNAL_CATCH_DEF __VA_ARGS__ +#define INTERNAL_CATCH_NOINTERNAL_CATCH_DEF +#define INTERNAL_CATCH_STRINGIZE(...) INTERNAL_CATCH_STRINGIZE2(__VA_ARGS__) +#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR +#define INTERNAL_CATCH_STRINGIZE2(...) #__VA_ARGS__ +#define INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS(param) INTERNAL_CATCH_STRINGIZE(INTERNAL_CATCH_REMOVE_PARENS(param)) +#else +// MSVC is adding extra space and needs another indirection to expand INTERNAL_CATCH_NOINTERNAL_CATCH_DEF +#define INTERNAL_CATCH_STRINGIZE2(...) INTERNAL_CATCH_STRINGIZE3(__VA_ARGS__) +#define INTERNAL_CATCH_STRINGIZE3(...) #__VA_ARGS__ +#define INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS(param) (INTERNAL_CATCH_STRINGIZE(INTERNAL_CATCH_REMOVE_PARENS(param)) + 1) +#endif + +#define INTERNAL_CATCH_MAKE_NAMESPACE2(...) ns_##__VA_ARGS__ +#define INTERNAL_CATCH_MAKE_NAMESPACE(name) INTERNAL_CATCH_MAKE_NAMESPACE2(name) + +#define INTERNAL_CATCH_REMOVE_PARENS(...) INTERNAL_CATCH_EXPAND1(INTERNAL_CATCH_DEF __VA_ARGS__) + +#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR +#define INTERNAL_CATCH_MAKE_TYPE_LIST2(...) decltype(get_wrapper()) +#define INTERNAL_CATCH_MAKE_TYPE_LIST(...) INTERNAL_CATCH_MAKE_TYPE_LIST2(INTERNAL_CATCH_REMOVE_PARENS(__VA_ARGS__)) +#else +#define INTERNAL_CATCH_MAKE_TYPE_LIST2(...) INTERNAL_CATCH_EXPAND_VARGS(decltype(get_wrapper())) +#define INTERNAL_CATCH_MAKE_TYPE_LIST(...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_MAKE_TYPE_LIST2(INTERNAL_CATCH_REMOVE_PARENS(__VA_ARGS__))) +#endif + +#define INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(...)\ + CATCH_REC_LIST(INTERNAL_CATCH_MAKE_TYPE_LIST,__VA_ARGS__) + +#define INTERNAL_CATCH_REMOVE_PARENS_1_ARG(_0) INTERNAL_CATCH_REMOVE_PARENS(_0) +#define INTERNAL_CATCH_REMOVE_PARENS_2_ARG(_0, _1) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_1_ARG(_1) +#define INTERNAL_CATCH_REMOVE_PARENS_3_ARG(_0, _1, _2) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_2_ARG(_1, _2) +#define INTERNAL_CATCH_REMOVE_PARENS_4_ARG(_0, _1, _2, _3) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_3_ARG(_1, _2, _3) +#define INTERNAL_CATCH_REMOVE_PARENS_5_ARG(_0, _1, _2, _3, _4) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_4_ARG(_1, _2, _3, _4) +#define INTERNAL_CATCH_REMOVE_PARENS_6_ARG(_0, _1, _2, _3, _4, _5) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_5_ARG(_1, _2, _3, _4, _5) +#define INTERNAL_CATCH_REMOVE_PARENS_7_ARG(_0, _1, _2, _3, _4, _5, _6) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_6_ARG(_1, _2, _3, _4, _5, _6) +#define INTERNAL_CATCH_REMOVE_PARENS_8_ARG(_0, _1, _2, _3, _4, _5, _6, _7) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_7_ARG(_1, _2, _3, _4, _5, _6, _7) +#define INTERNAL_CATCH_REMOVE_PARENS_9_ARG(_0, _1, _2, _3, _4, _5, _6, _7, _8) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_8_ARG(_1, _2, _3, _4, _5, _6, _7, _8) +#define INTERNAL_CATCH_REMOVE_PARENS_10_ARG(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_9_ARG(_1, _2, _3, _4, _5, _6, _7, _8, _9) +#define INTERNAL_CATCH_REMOVE_PARENS_11_ARG(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_10_ARG(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10) + +#define INTERNAL_CATCH_VA_NARGS_IMPL(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, N, ...) N + +#define INTERNAL_CATCH_TYPE_GEN\ + template struct TypeList {};\ + template\ + constexpr auto get_wrapper() noexcept -> TypeList { return {}; }\ + template class...> struct TemplateTypeList{};\ + template class...Cs>\ + constexpr auto get_wrapper() noexcept -> TemplateTypeList { return {}; }\ + template\ + struct append;\ + template\ + struct rewrap;\ + template class, typename...>\ + struct create;\ + template class, typename>\ + struct convert;\ + \ + template \ + struct append { using type = T; };\ + template< template class L1, typename...E1, template class L2, typename...E2, typename...Rest>\ + struct append, L2, Rest...> { using type = typename append, Rest...>::type; };\ + template< template class L1, typename...E1, typename...Rest>\ + struct append, TypeList, Rest...> { using type = L1; };\ + \ + template< template class Container, template class List, typename...elems>\ + struct rewrap, List> { using type = TypeList>; };\ + template< template class Container, template class List, class...Elems, typename...Elements>\ + struct rewrap, List, Elements...> { using type = typename append>, typename rewrap, Elements...>::type>::type; };\ + \ + template