Add skeleton for C++ API tests

CMakeLists.txt

@@ -10,6 +10,7 @@
 cmake_minimum_required(VERSION 3.16)
 
 project(SixtyFPS LANGUAGES CXX)
+include(CTest)
 
 add_subdirectory(api/sixtyfps-cpp/)
 add_subdirectory(examples/printerdemo/cpp/)

api/sixtyfps-cpp/CMakeLists.txt

@@ -125,3 +125,16 @@ set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_LIST_DIR}/README.md")
 set(CPACK_STRIP_FILES ON)
 include(CPack)
 
+if(BUILD_TESTING)
+    FetchContent_Declare(
+        Catch2
+        GIT_REPOSITORY https://github.com/catchorg/Catch2.git
+        GIT_TAG        v2.13.1
+    )
+
+    FetchContent_MakeAvailable(Catch2)
+
+    add_executable(api_tests tests/tests.cpp)
+    target_link_libraries(api_tests PRIVATE Catch2::Catch2)
+    add_test(api_tests api_tests)
+endif()

api/sixtyfps-cpp/tests/tests.cpp

@@ -0,0 +1,22 @@
+/* LICENSE BEGIN
+    This file is part of the SixtyFPS Project -- https://sixtyfps.io
+    Copyright (c) 2020 Olivier Goffart <olivier.goffart@sixtyfps.io>
+    Copyright (c) 2020 Simon Hausmann <simon.hausmann@sixtyfps.io>
+
+    SPDX-License-Identifier: GPL-3.0-only
+    This file is also available under commercial licensing terms.
+    Please contact info@sixtyfps.io for more information.
+LICENSE END */
+
+#define CATCH_CONFIG_MAIN
+#include "catch2/catch.hpp"
+
+SCENARIO("SixtyFPS can be shipped")
+{
+    GIVEN("a boolean")
+    {
+        bool okay = true;
+
+        REQUIRE(okay);
+    }
+}