change name to 6502-c++ and merge in files from cpp_starter_project

test/CMakeLists.txt

@@ -0,0 +1,64 @@
+# Automatically enable catch2 to generate ctest targets
+if(CONAN_CATCH2_ROOT_DEBUG)
+  include(${CONAN_CATCH2_ROOT_DEBUG}/lib/cmake/Catch2/Catch.cmake)
+else()
+  include(${CONAN_CATCH2_ROOT}/lib/cmake/Catch2/Catch.cmake)
+endif()
+
+add_library(catch_main STATIC catch_main.cpp)
+target_link_libraries(catch_main PUBLIC CONAN_PKG::catch2)
+target_link_libraries(catch_main PRIVATE project_options)
+
+add_executable(tests tests.cpp)
+target_link_libraries(tests PRIVATE project_warnings project_options catch_main)
+
+# automatically discover tests that are defined in catch based test files you can modify the unittests. Set TEST_PREFIX
+# to whatever you want, or use different for different binaries
+catch_discover_tests(
+  tests
+  TEST_PREFIX
+  "unittests."
+  REPORTER
+  xml
+  OUTPUT_DIR
+  .
+  OUTPUT_PREFIX
+  "unittests."
+  OUTPUT_SUFFIX
+  .xml)
+
+# Add a file containing a set of constexpr tests
+add_executable(constexpr_tests constexpr_tests.cpp)
+target_link_libraries(constexpr_tests PRIVATE project_options project_warnings catch_main)
+
+catch_discover_tests(
+  constexpr_tests
+  TEST_PREFIX
+  "constexpr."
+  REPORTER
+  xml
+  OUTPUT_DIR
+  .
+  OUTPUT_PREFIX
+  "constexpr."
+  OUTPUT_SUFFIX
+  .xml)
+
+# Disable the constexpr portion of the test, and build again this allows us to have an executable that we can debug when
+# things go wrong with the constexpr testing
+add_executable(relaxed_constexpr_tests constexpr_tests.cpp)
+target_link_libraries(relaxed_constexpr_tests PRIVATE project_options project_warnings catch_main)
+target_compile_definitions(relaxed_constexpr_tests PRIVATE -DCATCH_CONFIG_RUNTIME_STATIC_REQUIRE)
+
+catch_discover_tests(
+  relaxed_constexpr_tests
+  TEST_PREFIX
+  "relaxed_constexpr."
+  REPORTER
+  xml
+  OUTPUT_DIR
+  .
+  OUTPUT_PREFIX
+  "relaxed_constexpr."
+  OUTPUT_SUFFIX
+  .xml)

test/catch_main.cpp

@@ -0,0 +1,5 @@
+#define CATCH_CONFIG_MAIN // This tells the catch header to generate a main
+
+#include <catch2/catch.hpp>
+
+

test/constexpr_tests.cpp

@@ -0,0 +1,14 @@
+#include <catch2/catch.hpp>
+
+constexpr unsigned int Factorial(unsigned int number)
+{
+  return number <= 1 ? number : Factorial(number - 1) * number;
+}
+
+TEST_CASE("Factorials are computed with constexpr", "[factorial]")
+{
+  STATIC_REQUIRE(Factorial(1) == 1);
+  STATIC_REQUIRE(Factorial(2) == 2);
+  STATIC_REQUIRE(Factorial(3) == 6);
+  STATIC_REQUIRE(Factorial(10) == 3628800);
+}

test/tests.cpp

@@ -0,0 +1,14 @@
+#include <catch2/catch.hpp>
+
+unsigned int Factorial(unsigned int number)
+{
+  return number <= 1 ? number : Factorial(number - 1) * number;
+}
+
+TEST_CASE("Factorials are computed", "[factorial]")
+{
+  REQUIRE(Factorial(1) == 1);
+  REQUIRE(Factorial(2) == 2);
+  REQUIRE(Factorial(3) == 6);
+  REQUIRE(Factorial(10) == 3628800);
+}