sdl2-hello-world/src/packages/game-test/config/IZ_config.c

#include "bdd-for-c.h"
#include "../../game/config/IZ_config.h"

static uint8_t calls_SDL_GetBasePath = 0;
char* SDL_GetBasePath() {
	calls_SDL_GetBasePath += 1;
	return "";
}

static uint8_t calls_SDL_GetKeyName = 0;
const char* SDL_GetKeyName(SDL_KeyCode code) {
	calls_SDL_GetKeyName += 1;
	return "";
}

static uint8_t calls_SDL_GetKeyFromName = 0;
SDL_KeyCode SDL_GetKeyFromName(const char* name) {
	calls_SDL_GetKeyFromName += 1;
	return 0;
}

static uint8_t calls_ini_gets = 0;
int ini_gets(
	const char *Section,
	const char *Key,
	const char *DefValue,
	char *Buffer,
	int BufferSize,
	const char *Filename
) {
	calls_ini_gets += 1;
	return 0;
}

static uint8_t calls_ini_getl = 0;
long ini_getl(
	const TCHAR *Section,
	const TCHAR *Key,
	long DefValue,
	const TCHAR *Filename
) {
	calls_ini_getl += 1;
	return DefValue;
}

spec("config") {
	describe("LoadConfig") {
		static IZ_Config config;

		after_each() {
			calls_ini_getl = 0;
		}

		after_each() {
			calls_ini_gets = 0;
		}

		after_each() {
			calls_SDL_GetKeyFromName = 0;
		}

		after_each() {
			calls_SDL_GetKeyName = 0;
		}

		after_each() {
			calls_SDL_GetBasePath = 0;
		}

		it("should load default config values") {
			IZ_LoadConfig(&config);

			check(
				calls_SDL_GetBasePath > 0,
				"SDL_GetBasePath() not called."
			);

			static const int expected_calls_ini_getl =
				3 // video params
				+ 1 // input params
				+ (12 * PLAYERS); // joystick controls
			check(
				calls_ini_getl == expected_calls_ini_getl,
				"Call count mismatch for ini_getl() (expected %u, received %u).",
				expected_calls_ini_getl,
				calls_ini_getl
			);

			check(
				config.video.width == 640,
				"Default value for Video.Width is not loaded."
			);
			check(
				config.video.height == 480,
				"Default value for Video.Height is not loaded."
			);
			check(
				config.video.max_fps == 30,
				"Default value for Video.MaxFps is not loaded."
			);

			check(
				config.input.gamepad_axis_threshold == 8000,
				"Default value for Input.GamepadAxisThreshold is not loaded."
			);

			static const int expected_calls_ini_gets =
				(16 * PLAYERS); // keyboard controls
			check(
				calls_ini_gets == expected_calls_ini_gets,
				"Call count mismatch for ini_gets() (expected %u, received %u).",
				expected_calls_ini_gets,
				calls_ini_gets
			);

			static const int expected_calls_SDL_GetKeyFromName =
				(16 * PLAYERS); // keyboard controls
			check(
				calls_SDL_GetKeyFromName == expected_calls_SDL_GetKeyFromName,
				"Call count mismatch for SDL_GetKeyFromName() (expected %u, received %u).",
				expected_calls_SDL_GetKeyFromName,
				calls_SDL_GetKeyFromName
			);

			static const int expected_calls_SDL_GetKeyName =
				(16 * PLAYERS); // keyboard controls
			check(
				calls_SDL_GetKeyName == expected_calls_SDL_GetKeyName,
				"Call count mismatch for SDL_GetKeyName() (expected %u, received %u).",
				expected_calls_SDL_GetKeyName,
				calls_SDL_GetKeyName
			);
		}
	}
}