CMakeLists.txt

@@ -1,33 +1,5 @@
-cmake_minimum_required(VERSION 3.8)
-
-project(Chess C CXX)
-
-find_package(SDL2 REQUIRED)
-
-file(GLOB_RECURSE cpp_sources
-    CONFIGURE_DEPENDS
-    "src/*.cpp")
-
-file(GLOB_RECURSE c_sources
-    CONFIGURE_DEPENDS
-    "src/*.c")
-
-file (GLOB_RECURSE headers CONFIGURE_DEPENDS "src/*.h")
-
-set (include_dirs "")
-foreach (_headerFile ${headers})
-    get_filename_component(_dir ${_headerFile} PATH)
-    list (APPEND include_dirs ${_dir})
-endforeach()
-
-add_executable(Chess ${cpp_sources} ${c_sources})
-set_target_properties(Chess PROPERTIES CXX_STANDARD 17) # set standard level
-target_include_directories(Chess PRIVATE ${include_dirs})
-target_compile_options(Chess PRIVATE
-    -Wall -Wextra -Wredundant-decls -Wcast-align
-    -Wshadow -Wnon-virtual-dtor
-    -Wunused -Woverloaded-virtual -Wpedantic -Wconversion
-    -Wsign-conversion -Wmisleading-indentation
-    -Wnull-dereference -Wformat=2
-)
-target_link_libraries(Chess SDL2::SDL2)
+cmake_minimum_required(VERSION 3.8)
+project(Chess C CXX)
+
+add_subdirectory(src)
+add_subdirectory(test)

src/CMakeLists.txt

@@ -0,0 +1,32 @@
+cmake_minimum_required(VERSION 3.8)
+
+
+find_package(SDL2 REQUIRED)
+
+file(GLOB_RECURSE cpp_sources
+    CONFIGURE_DEPENDS
+    "./*.cpp")
+
+file(GLOB_RECURSE c_sources
+    CONFIGURE_DEPENDS
+    "./*.c")
+
+file (GLOB_RECURSE headers CONFIGURE_DEPENDS "./*.h")
+
+set (include_dirs "")
+foreach (_headerFile ${headers})
+    get_filename_component(_dir ${_headerFile} PATH)
+    list (APPEND include_dirs ${_dir})
+endforeach()
+
+add_executable(Chess ${cpp_sources} ${c_sources})
+set_target_properties(Chess PROPERTIES CXX_STANDARD 17) # set standard level
+target_include_directories(Chess PRIVATE ${include_dirs})
+target_compile_options(Chess PRIVATE
+    -Wall -Wextra -Wredundant-decls -Wcast-align
+    -Wshadow -Wnon-virtual-dtor
+    -Wunused -Woverloaded-virtual -Wpedantic -Wconversion
+    -Wsign-conversion -Wmisleading-indentation
+    -Wnull-dereference -Wformat=2
+)
+target_link_libraries(Chess SDL2::SDL2)

src/game_logic/fen_strings.h

@@ -3,7 +3,7 @@ extern "C" {
 #endif
 
 char * fen_string_get_state(void);
-void fen_string_set_state(void);
+void fen_string_set_state(char *);
 
 #ifdef __cplusplus
 }

test/CMakeLists.txt

@@ -0,0 +1,50 @@
+
+find_package(SDL2 REQUIRED)
+
+include(FetchContent)
+FetchContent_Declare(
+  googletest
+  URL https://github.com/google/googletest/archive/refs/tags/v1.15.2.zip
+)
+FetchContent_MakeAvailable(googletest)
+
+enable_testing()
+
+file(GLOB_RECURSE cpp_sources
+    CONFIGURE_DEPENDS
+    "../src/*.cpp")
+
+list(REMOVE_ITEM cpp_sources
+    "../src/pc_app/main.cpp")
+
+file(GLOB_RECURSE test_sources
+    CONFIGURE_DEPENDS
+    "*.cc")
+
+file(GLOB_RECURSE c_sources
+    CONFIGURE_DEPENDS
+    "../src/*.c")
+
+file (GLOB_RECURSE headers CONFIGURE_DEPENDS "../src/*.h")
+set (include_dirs "")
+foreach (_headerFile ${headers})
+    get_filename_component(_dir ${_headerFile} PATH)
+    list (APPEND include_dirs ${_dir})
+endforeach()
+
+add_executable(
+  hello_test
+  # ${cpp_sources}
+  ${test_sources}
+  ${c_sources}
+)
+target_include_directories(hello_test PRIVATE ${include_dirs})
+target_link_libraries(
+  hello_test
+  GTest::gtest_main
+  SDL2::SDL2
+)
+
+include(GoogleTest)
+gtest_discover_tests(hello_test)
+

test/game_logic/test_game_state.cc

@@ -0,0 +1,12 @@
+#include <gtest/gtest.h>
+#include "game_state.h"
+#include "fen_strings.h"
+
+// Demonstrate some basic assertions.
+TEST(GameLogic, initialized_state) {
+    // Expect two strings not to be equal.
+    game_state_init();
+    char * test_data = fen_string_get_state();
+    EXPECT_STREQ(test_data, "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq -");
+}
+

test/hello_test.cc

@@ -0,0 +1,10 @@
+#include <gtest/gtest.h>
+
+// Demonstrate some basic assertions.
+TEST(HelloTest, BasicAssertions) {
+  // Expect two strings not to be equal.
+  EXPECT_STRNE("hello", "world");
+  // Expect equality.
+  EXPECT_EQ(7 * 6, 42);
+}
+