diff --git a/CMakeLists.txt b/CMakeLists.txt index 41bf932..baf554b 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -12,13 +12,21 @@ Please update the GameDevTools submodule by running 'git submodule init' and \ 'git submodule update'!") endif() -set(ImGuiDemo "") -if((NOT CMAKE_BUILD_TYPE) OR (${CMAKE_BUILD_TYPE} MATCHES "Debug")) - set(ImGuiDemo "third_party/imgui/imgui_demo.cpp") +if(NOT DEFINED CMAKE_BUILD_TYPE) + set(CMAKE_BUILD_TYPE "Debug") endif() -set(Triangles_SOURCES +if(CMAKE_BUILD_TYPE MATCHES "Debug") + set(ImGuiDemo "third_party/imgui/imgui_demo.cpp") +else() + set(ImGuiDemo "") +endif() + +set(Triangles_MAIN_SOURCES src/main.cpp +) + +set(Triangles_LIB_SOURCES src/state.cpp third_party/imgui/imgui.cpp third_party/imgui/imgui_draw.cpp @@ -30,9 +38,13 @@ set(CMAKE_CXX_FLAGS "-Wall -Wextra -Wpedantic -Wsuggest-override") set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g") set(CMAKE_CXX_FLAGS_RELEASE "-O3 -D NDEBUG") -add_executable(Triangles ${Triangles_SOURCES}) +add_library(TrianglesLib STATIC ${Triangles_LIB_SOURCES}) -target_compile_features(Triangles PUBLIC cxx_std_17) +add_executable(Triangles ${Triangles_MAIN_SOURCES}) + +target_link_libraries(Triangles PUBLIC TrianglesLib) + +target_compile_features(TrianglesLib PUBLIC cxx_std_17) if(BUILD_SHARED_LIBS OR (UNIX AND NOT CYGWIN)) find_package(SFML 2 REQUIRED @@ -43,16 +55,29 @@ else() add_definitions(-DSFML_STATIC) endif() -target_link_libraries(Triangles +target_link_libraries(TrianglesLib PUBLIC sfml-graphics sfml-window sfml-system GL ) -target_include_directories(Triangles PUBLIC +target_include_directories(TrianglesLib PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/src ${SFML_INCLUDE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/build_include # imgui related headers ) # Use macro to override imgui config header -target_compile_definitions(Triangles PRIVATE +target_compile_definitions(TrianglesLib PRIVATE "IMGUI_USER_CONFIG=\"${CMAKE_CURRENT_SOURCE_DIR}/third_party/imgui-sfml/imconfig-SFML.h\"") + +if(CMAKE_BUILD_TYPE MATCHES "Debug") + set(Triangles_UNIT_TEST_SOURCES + src/unittest/test_main.cpp + src/unittest/test_helpers.cpp + ) + + add_executable(UnitTest_Triangles ${Triangles_UNIT_TEST_SOURCES}) + target_link_libraries(UnitTest_Triangles TrianglesLib) + target_include_directories(UnitTest_Triangles PUBLIC + ${CMAKE_CURRENT_SOURCE_DIR}/third_party/catch + ) +endif() diff --git a/src/imgui_helper.hpp b/src/helpers.hpp similarity index 67% rename from src/imgui_helper.hpp rename to src/helpers.hpp index 1667f31..391a474 100644 --- a/src/imgui_helper.hpp +++ b/src/helpers.hpp @@ -1,6 +1,9 @@ #ifndef TRIANGLES_IMGUI_HELPER_HPP #define TRIANGLES_IMGUI_HELPER_HPP +#include +#include + #include #include "state.hpp" @@ -16,7 +19,7 @@ namespace Tri { // Seems misleading, but imgui handles setting up the window during update // so this should be called during update, not draw inline void draw_help(Tri::State *state) { - if(state->get_flags().test(0)) { + if(state->get_flags().test(Tri::State::F_DISPLAY_HELP)) { ImGui::SetNextWindowPos(sf::Vector2f(10.0f, 10.0f)); ImGui::SetNextWindowSize(sf::Vector2f( state->get_width() - 20.0f, @@ -63,7 +66,7 @@ namespace Tri { } inline void draw_color_picker(Tri::State *state) { - if(state->get_flags().test(2)) { + if(state->get_flags().test(Tri::State::F_DISPLAY_COLOR_P)) { ImGui::Begin("Tri Color Picker"); ImGui::ColorPicker4("Tri Color", state->get_color()); if(ImGui::Button("Close")) { @@ -74,7 +77,7 @@ namespace Tri { } inline void draw_bg_color_picker(Tri::State *state) { - if(state->get_flags().test(5)) { + if(state->get_flags().test(Tri::State::F_DISPLAY_BG_COLOR_P)) { ImGui::Begin("BG Color Picker"); ImGui::ColorPicker3("BG Color", state->get_bg_color()); if(ImGui::Button("Close")) { @@ -85,7 +88,7 @@ namespace Tri { } inline void draw_save(Tri::State *state) { - if(state->get_flags().test(6)) { + if(state->get_flags().test(Tri::State::F_DISPLAY_SAVE)) { auto *filenameBuffer = state->get_save_filename_buffer(); ImGui::Begin("Save"); ImGui::InputText("Filename", filenameBuffer->data(), filenameBuffer->size() - 1); @@ -105,7 +108,7 @@ namespace Tri { } inline void draw_change_size(Tri::State *state) { - if(state->get_flags().test(10)) { + if(state->get_flags().test(Tri::State::F_DISPLAY_CHANGE_SIZE)) { ImGui::Begin("ChangeSize"); ImGui::InputInt2("Width and Height", state->get_input_width_height()); auto string_view = state->failed_message(); @@ -123,6 +126,59 @@ namespace Tri { ImGui::End(); } } + + inline bool is_within_shape( + const sf::ConvexShape &shape, + sf::Vector2f xy) { + std::optional is_right; + sf::Transform t = shape.getTransform(); + for(unsigned int i = 0; i < shape.getPointCount(); ++i) { + sf::Vector2f t_a = t.transformPoint(shape.getPoint(i)); + sf::Vector2f t_b = t.transformPoint(shape.getPoint((i + 1) % shape.getPointCount())); + + t_b = t_b - t_a; + t_a = xy - t_a; + + // TODO + // cross product, where z coordinate is 0 + // Use sign of z value to determine if line is to right or left + // + // a x b = c + // a_1 b_1 0 + // a_2 b_2 0 + // 0 0 a_1 * b_2 - a_2 * b_1 + // + // in this case "a" is "t_b" + float z = t_b.x * t_a.y - t_b.y * t_a.x; + if(is_right.has_value()) { + if(is_right.value()) { + if(z >= 0.0f) { + return false; + } + } else if(z < 0.0f) { + return false; + } + } else { + is_right = z < 0.0f; + } + } + return true; + } + + inline sf::Color invert_color(const sf::Color &other) { + return sf::Color(255 - other.r, 255 - other.g, 255 - other.b); + } + + inline void draw_edit_tri(Tri::State *state) { + if(state->get_flags().test(Tri::State::F_TRI_EDIT_MODE)) { + ImGui::Begin("Edit Tri Color Picker"); + ImGui::ColorPicker4("Tri Color", state->get_selected_tri_color()); + if(ImGui::Button("Close")) { + state->close_selected_tri_mode(); + } + ImGui::End(); + } + } } #endif diff --git a/src/main.cpp b/src/main.cpp index 16b035e..14a1153 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -6,7 +6,6 @@ #include #include "state.hpp" -#include "imgui_helper.hpp" int main(int argc, char **argv) { // init diff --git a/src/state.cpp b/src/state.cpp index 211eea1..042fb58 100644 --- a/src/state.cpp +++ b/src/state.cpp @@ -3,10 +3,11 @@ #include #include #include +#include #include -#include "imgui_helper.hpp" +#include "helpers.hpp" #define STARTING_HELP_FADE_RATE 0.2f @@ -26,14 +27,14 @@ currentTri_maxState(CurrentState::NONE), colorPickerColor{1.0f, 1.0f, 1.0f, 1.0f}, bgColorPickerColor{0.0f, 0.0f, 0.0f}, bgColor(sf::Color::Black), -inputWidthHeight{800, 600} +inputWidthHeight{800, 600}, +pi(std::acos(-1.0f)) { flags.set(F_IS_RUNNING); // is running ImGui::SFML::Init(window); window.setFramerateLimit(60); - notification_text.fill(0); - std::strncpy(notification_text.data(), "Press \"H\" for help", notification_text.max_size() - 1); + set_notification_text("Press \"H\" for help"); pointCircle.setRadius(7.0f); pointCircle.setOrigin(7.0f, 7.0f); @@ -135,15 +136,12 @@ void Tri::State::handle_events() { } else if(event.key.code == sf::Keyboard::P) { flags.flip(F_COPY_COLOR_MODE); if(flags.test(F_COPY_COLOR_MODE)) { - notification_text.fill(0); - std::strncpy(notification_text.data(), + set_notification_text( "Copy color mode\n" "Click to change\n" "current draw color\n" "to what was\n" - "clicked on", - notification_text.max_size() - 1); - notification_alpha = 1.0f; + "clicked on"); } else { notification_alpha = 0.0f; } @@ -153,6 +151,15 @@ void Tri::State::handle_events() { inputWidthHeight[0] = width; inputWidthHeight[1] = height; } + } else if(event.key.code == sf::Keyboard::E) { + if(flags.test(F_TRI_EDIT_MODE)) { + close_selected_tri_mode(); + } else { + flags.flip(F_SELECT_TRI_MODE); + if(flags.test(F_SELECT_TRI_MODE)) { + set_notification_text("Click on a tri\nto edit it"); + } + } } } } else if(event.type == sf::Event::MouseButtonPressed) { @@ -199,11 +206,28 @@ void Tri::State::handle_events() { colorPickerColor[3] = 1.0f; pointCircle.setFillColor(color); flags.reset(F_COPY_COLOR_MODE); - notification_text.fill(0); - std::strncpy(notification_text.data(), - "Color set", - notification_text.max_size() - 1); - notification_alpha = 1.0f; + set_notification_text("Color set"); + } else if(flags.test(F_SELECT_TRI_MODE)) { + sf::Vector2f mouseXY = window.mapPixelToCoords( + {event.mouseButton.x, event.mouseButton.y}); + for(unsigned int i = trisIndex; i-- > 0; ) { + if(is_within_shape(tris.at(i), mouseXY)) { + selectedTri = i; + tris[i].setOutlineColor(invert_color(tris[i].getFillColor())); + flags.reset(F_SELECT_TRI_MODE); + flags.set(F_TRI_EDIT_MODE); + flags.set(F_TRI_EDIT_DRAW_TRI); + selectedTriBlinkTimer = 1.0f; + selectedTriColor[0] = tris[i].getFillColor().r / 255.0f; + selectedTriColor[1] = tris[i].getFillColor().g / 255.0f; + selectedTriColor[2] = tris[i].getFillColor().b / 255.0f; + selectedTriColor[3] = tris[i].getFillColor().a / 255.0f; + break; + } + } + if(!flags.test(F_TRI_EDIT_MODE)) { + set_notification_text("Did not select\nanything"); + } } } } @@ -235,10 +259,19 @@ void Tri::State::update() { bgColor.b = (unsigned char)(255 * bgColorPickerColor[2]); } + if(flags.test(F_TRI_EDIT_MODE)) { + selectedTriBlinkTimer -= dt.asSeconds() * TRIANGLES_EDIT_TRI_BLINK_RATE; + if(selectedTriBlinkTimer <= 0.0f) { + selectedTriBlinkTimer = 1.0f; + flags.flip(F_TRI_EDIT_DRAW_TRI); + } + } + // Seems misleading, but imgui handles setting up the window during update Tri::draw_notification(this); Tri::draw_color_picker(this); Tri::draw_bg_color_picker(this); + Tri::draw_edit_tri(this); Tri::draw_change_size(this); Tri::draw_save(this); Tri::draw_help(this); @@ -260,9 +293,17 @@ void Tri::State::draw() { draw_to_target(&window); } - for(unsigned int i = 0; i < currentTri_state; ++i) { - pointCircle.setPosition(currentTri[i]); - window.draw(pointCircle); + if(flags.test(F_TRI_EDIT_MODE) && flags.test(F_TRI_EDIT_DRAW_TRI)) { + tris.at(selectedTri).setOutlineThickness(4.0f); + window.draw(tris[selectedTri]); + tris.at(selectedTri).setOutlineThickness(0.0f); + } + + if(can_draw()) { + for(unsigned int i = 0; i < currentTri_state; ++i) { + pointCircle.setPosition(currentTri[i]); + window.draw(pointCircle); + } } // draw gui stuff @@ -300,6 +341,14 @@ const char* Tri::State::get_notification_text() const { return notification_text.data(); } +void Tri::State::set_notification_text(const char *text) { + notification_text.fill(0); + std::strncpy(notification_text.data(), + text, + notification_text.max_size() - 1); + notification_alpha = 1.0f; +} + float* Tri::State::get_color() { flags.set(F_COLOR_P_COLOR_DIRTY); return colorPickerColor; @@ -358,7 +407,20 @@ bool Tri::State::can_draw() const { && !flags.test(F_DISPLAY_BG_COLOR_P) && !flags.test(F_DISPLAY_SAVE) && !flags.test(F_COPY_COLOR_MODE) - && !flags.test(F_DISPLAY_CHANGE_SIZE); + && !flags.test(F_DISPLAY_CHANGE_SIZE) + && !flags.test(F_SELECT_TRI_MODE) + && !flags.test(F_TRI_EDIT_MODE); +} + +void Tri::State::reset_modes() { + flags.reset(F_DISPLAY_HELP); + flags.reset(F_DISPLAY_COLOR_P); + flags.reset(F_DISPLAY_BG_COLOR_P); + flags.reset(F_DISPLAY_SAVE); + flags.reset(F_COPY_COLOR_MODE); + flags.reset(F_DISPLAY_CHANGE_SIZE); + flags.reset(F_SELECT_TRI_MODE); + flags.reset(F_TRI_EDIT_MODE); } void Tri::State::close_help() { @@ -391,29 +453,11 @@ bool Tri::State::change_width_height() { } if(warnings.test(0) && warnings.test(1)) { - notification_alpha = 1.0f; - notification_text.fill(0); - std::strncpy( - notification_text.data(), - "Width set to 200\nHeight set to 150", - notification_text.max_size() - 1 - ); + set_notification_text("Width set to 200\nHeight set to 150"); } else if(warnings.test(0)) { - notification_alpha = 1.0f; - notification_text.fill(0); - std::strncpy( - notification_text.data(), - "Width set to 200", - notification_text.max_size() - 1 - ); + set_notification_text("Width set to 200"); } else if(warnings.test(1)) { - notification_alpha = 1.0f; - notification_text.fill(0); - std::strncpy( - notification_text.data(), - "Height set to 150", - notification_text.max_size() - 1 - ); + set_notification_text("Height set to 150"); } this->width = inputWidthHeight[0]; @@ -441,3 +485,26 @@ int* Tri::State::get_input_width_height() { void Tri::State::close_input_width_height_window() { flags.reset(F_DISPLAY_CHANGE_SIZE); } + +float Tri::State::get_pi() const { + return pi; +} + +float* Tri::State::get_selected_tri_color() { + tris.at(selectedTri).setFillColor(sf::Color( + (unsigned char)(255.0f * selectedTriColor[0]), + (unsigned char)(255.0f * selectedTriColor[1]), + (unsigned char)(255.0f * selectedTriColor[2]), + (unsigned char)(255.0f * selectedTriColor[3]))); + return selectedTriColor; +} + +void Tri::State::close_selected_tri_mode() { + tris.at(selectedTri).setFillColor(sf::Color( + (unsigned char)(255.0f * selectedTriColor[0]), + (unsigned char)(255.0f * selectedTriColor[1]), + (unsigned char)(255.0f * selectedTriColor[2]), + (unsigned char)(255.0f * selectedTriColor[3]))); + flags.set(F_DRAW_CACHE_DIRTY); + reset_modes(); +} diff --git a/src/state.hpp b/src/state.hpp index 67825f5..1a3f011 100644 --- a/src/state.hpp +++ b/src/state.hpp @@ -1,6 +1,8 @@ #ifndef TRIANGLES_STATE_HPP #define TRIANGLES_STATE_HPP +#define TRIANGLES_EDIT_TRI_BLINK_RATE 2.0f + #include #include #include @@ -15,7 +17,6 @@ namespace Tri { ~State(); enum CurrentState {NONE = 0, FIRST = 1, SECOND = 2}; - private: enum FlagName { F_DISPLAY_HELP = 0, F_IS_RUNNING = 1, @@ -28,8 +29,12 @@ namespace Tri { F_DRAW_CACHE_INITIALIZED = 8, F_COPY_COLOR_MODE = 9, F_DISPLAY_CHANGE_SIZE = 10, + F_SELECT_TRI_MODE = 11, + F_TRI_EDIT_MODE = 12, + F_TRI_EDIT_DRAW_TRI = 13, }; + private: // use enum FlagName typedef std::bitset<64> BitsetType; BitsetType flags; @@ -63,6 +68,12 @@ namespace Tri { int inputWidthHeight[2]; + const float pi; + + unsigned int selectedTri; + float selectedTriColor[4]; + float selectedTriBlinkTimer; + public: void handle_events(); void update(); @@ -80,6 +91,10 @@ namespace Tri { float get_notification_alpha() const; const char* get_notification_text() const; + private: + void set_notification_text(const char *text); + + public: float* get_color(); float* get_bg_color(); @@ -90,6 +105,7 @@ namespace Tri { private: bool can_draw() const; + void reset_modes(); public: void close_help(); @@ -100,6 +116,11 @@ namespace Tri { int* get_input_width_height(); void close_input_width_height_window(); + float get_pi() const; + + float* get_selected_tri_color(); + void close_selected_tri_mode(); + }; } diff --git a/src/unittest/test_helpers.cpp b/src/unittest/test_helpers.cpp new file mode 100644 index 0000000..f0ff926 --- /dev/null +++ b/src/unittest/test_helpers.cpp @@ -0,0 +1,18 @@ +#include "catch.hpp" + +#include + +#include "helpers.hpp" + +TEST_CASE("Test is_within_shape", "[Triangles]") { + sf::ConvexShape shape; + shape.setPointCount(3); + shape.setPoint(0, {0.0f, 10.0f}); + shape.setPoint(1, {10.0f, 10.0f}); + shape.setPoint(2, {10.0f, 0.0f}); + + CHECK(Tri::is_within_shape(shape, {2.0f, 2.0f}) == false); + CHECK(Tri::is_within_shape(shape, {5.0f, 15.0f}) == false); + CHECK(Tri::is_within_shape(shape, {15.0f, 5.0f}) == false); + CHECK(Tri::is_within_shape(shape, {7.0f, 7.0f}) == true); +} diff --git a/src/unittest/test_main.cpp b/src/unittest/test_main.cpp new file mode 100644 index 0000000..0c7c351 --- /dev/null +++ b/src/unittest/test_main.cpp @@ -0,0 +1,2 @@ +#define CATCH_CONFIG_MAIN +#include "catch.hpp" diff --git a/third_party/catch/catch.hpp b/third_party/catch/catch.hpp new file mode 100644 index 0000000..cf1fae1 --- /dev/null +++ b/third_party/catch/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