Move the tests to catch2 so I can get tap output for the game.

meson.build

@@ -20,7 +20,7 @@ fmt = dependency('fmt')
 ftxui_screen = dependency('ftxui-screen')
 ftxui_dom = dependency('ftxui-dom')
 ftxui_component = dependency('ftxui-component')
-doctest = dependency('doctest')
+catch2 = dependency('catch2-with-main')
 
 dependencies = [
   fmt, libgit2package_dep, efsw_dep,
@@ -43,8 +43,7 @@ executable('ftx_thread_test', 'ftx_thread_test.cpp',
 
 runtests = executable('runtests', [
   'game_engine.cpp',
-  'tests/test1.cpp',
   'tests/game_engine.cpp'],
-  dependencies: dependencies + [doctest])
+  dependencies: dependencies + [catch2])
 
 test('the tests', runtests)

scripts/reset_build.ps1

@@ -9,6 +9,7 @@ meson wrap install fmt
 meson wrap install sqlite3
 meson wrap install sqlitecpp
 meson wrap install ftxui
+meson wrap install catch2
 # $env:CC="clang"
 # $env:CXX="clang++"
 meson setup --default-library=static --prefer-static builddir

scripts/reset_build.sh

@@ -11,4 +11,5 @@ meson wrap install fmt
 meson wrap install sqlite3
 meson wrap install sqlitecpp
 meson wrap install ftxui
+meson wrap install catch2
 meson setup builddir

tests/game_engine.cpp

@@ -1,7 +1,7 @@
-#include <doctest.h>
+#include <catch2/catch_test_macros.hpp>
 #include "../game_engine.hpp"
 
-TEST_CASE("brainfuck test") {
+TEST_CASE("brainfuck test", "[brainfuck]") {
   Brainfucker bf;
   string code{"+.>+.>+.>"};
 
@@ -10,23 +10,23 @@ TEST_CASE("brainfuck test") {
   // this is actually ticks, not code length
   bf.run(code.size());
 
-  CHECK(bf.data[0] == 1);
-  CHECK(bf.data[1] == 1);
-  CHECK(bf.data[2] == 1);
+  REQUIRE(bf.data[0] == 1);
+  REQUIRE(bf.data[1] == 1);
+  REQUIRE(bf.data[2] == 1);
 
   bf.reset();
 
-  CHECK(bf.data[0] == 0);
-  CHECK(bf.data[1] == 0);
-  CHECK(bf.data[2] == 0);
+  REQUIRE(bf.data[0] == 0);
+  REQUIRE(bf.data[1] == 0);
+  REQUIRE(bf.data[2] == 0);
 
-  CHECK(bf.code.empty());
+  REQUIRE(bf.code.empty());
 }
 
-TEST_CASE("game engine can start and take hit") {
+TEST_CASE("game engine can start and take hit", "[brainfuck]") {
   // test fails on purpose right now
   GameEngine game{4};
   string err{"error"};
   game.hit(err);
-  CHECK(game.is_dead() == true);
+  REQUIRE(game.is_dead() == true);
 }

tests/test1.cpp

@@ -1,5 +1,4 @@
-#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
-#include <doctest.h>
+#include <catch2/catch_test_macros.hpp>
 
 int factorial(int number) { return number <= 1 ? number : factorial(number - 1) * number; }