test: cover the menu state machine and more helpers

tests/test_menu.c

@@ -0,0 +1,89 @@
+/*
+** EPITECH PROJECT, 2023
+** rpg
+** File description:
+** tests for the named menu state machine (behaviour must match the old
+** raw decimal arithmetic)
+*/
+
+#include <criterion/criterion.h>
+#include "game.h"
+#include "menu.h"
+
+Test(menu_transitions, push_pop_set_tab)
+{
+    game_t g = {0};
+
+    g.menu = MENU_GAME;
+    menu_push(&g, SCREEN_PAUSE);
+    cr_assert_eq(g.menu, 56);
+    menu_pop(&g);
+    cr_assert_eq(g.menu, 5);
+    g.menu = MENU_PAUSE_CHARACTER;
+    menu_set_tab(&g, 2);
+    cr_assert_eq(g.menu, MENU_PAUSE_QUEST);
+    g.menu = 0;
+    menu_push(&g, SCREEN_SAVE);
+    cr_assert_eq(g.menu, 3);
+}
+
+Test(menu_predicates, start_overworld_hud)
+{
+    game_t g = {0};
+
+    cr_assert(menu_is_start(&g));
+    g.menu = MENU_GAME;
+    cr_assert(menu_in_overworld(&g));
+    cr_assert(menu_show_hud(&g));
+    cr_assert(!menu_is_start(&g));
+    g.menu = 56;
+    cr_assert(!menu_in_overworld(&g));
+    cr_assert(!menu_show_hud(&g));
+    cr_assert(menu_pause_open(&g));
+}
+
+Test(menu_predicates, pause_tabs)
+{
+    game_t g = {0};
+
+    g.menu = MENU_PAUSE_INVENTORY;
+    cr_assert(menu_tab_inventory(&g));
+    cr_assert(menu_in_pause_tab(&g));
+    cr_assert(menu_pause_active(&g));
+    g.menu = MENU_PAUSE_CHARACTER;
+    cr_assert(menu_tab_character(&g));
+    g.menu = MENU_PAUSE_QUEST;
+    cr_assert(menu_tab_quest(&g));
+    cr_assert(!menu_tab_inventory(&g));
+}
+
+Test(menu_predicates, settings_tabs)
+{
+    game_t g = {0};
+
+    g.menu = 21;
+    cr_assert(menu_tab_music(&g));
+    g.menu = 22;
+    cr_assert(menu_tab_keyboard(&g));
+    g.menu = 24;
+    cr_assert(menu_tab_window(&g));
+    g.menu = 25;
+    cr_assert(menu_tab_fps(&g));
+    g.menu = MENU_SETTINGS;
+    cr_assert(menu_in_settings(&g));
+}
+
+Test(menu_predicates, win_and_lose)
+{
+    game_t g = {0};
+
+    g.is_finished = 1;
+    g.menu = MENU_WIN;
+    cr_assert(menu_won(&g));
+    cr_assert(!menu_lost(&g));
+    g.menu = MENU_LOSE;
+    cr_assert(menu_lost(&g));
+    cr_assert(!menu_won(&g));
+    g.is_finished = 0;
+    cr_assert(!menu_lost(&g));
+}

tests/test_str_more.c

@@ -0,0 +1,81 @@
+/*
+** EPITECH PROJECT, 2023
+** rpg
+** File description:
+** tests for the remaining string/number helpers
+*/
+
+#include <criterion/criterion.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <limits.h>
+#include "my_str.h"
+
+Test(my_strcat, joins_two_strings)
+{
+    char *r = my_strcat("foo", "bar");
+
+    cr_assert_str_eq(r, "foobar");
+    free(r);
+    r = my_strcat("", "x");
+    cr_assert_str_eq(r, "x");
+    free(r);
+}
+
+Test(my_strndup, copies_first_n)
+{
+    char *r = my_strndup("hello", 3);
+
+    cr_assert_str_eq(r, "hel");
+    free(r);
+}
+
+Test(my_str_to_word_array, splits_on_separator)
+{
+    char **t = my_str_to_word_array("a b c", ' ');
+
+    cr_assert_str_eq(t[0], "a");
+    cr_assert_str_eq(t[1], "b");
+    cr_assert_str_eq(t[2], "c");
+    cr_assert_null(t[3]);
+    free_tab(t);
+}
+
+static void check_put_nbr(int nb, const char *expected)
+{
+    char buf[64] = {0};
+    int fd = open("/tmp/cr_put_nbr", O_CREAT | O_TRUNC | O_RDWR, 0644);
+
+    my_put_nbr(nb, fd);
+    lseek(fd, 0, SEEK_SET);
+    cr_assert(read(fd, buf, sizeof(buf) - 1) >= 0);
+    close(fd);
+    cr_assert_str_eq(buf, expected);
+}
+
+Test(my_put_nbr, writes_full_int_range)
+{
+    check_put_nbr(0, "0");
+    check_put_nbr(-5, "-5");
+    check_put_nbr(INT_MIN, "-2147483648");
+    check_put_nbr(INT_MAX, "2147483647");
+}
+
+static void check_float(double n, const char *expected)
+{
+    char buf[64] = {0};
+    int fd = open("/tmp/cr_float", O_CREAT | O_TRUNC | O_RDWR, 0644);
+
+    my_float(2, n, fd);
+    lseek(fd, 0, SEEK_SET);
+    cr_assert(read(fd, buf, sizeof(buf) - 1) >= 0);
+    close(fd);
+    cr_assert_str_eq(buf, expected);
+}
+
+Test(my_float, writes_two_decimals)
+{
+    check_float(3.14, "3.14");
+    check_float(-1.5, "-1.50");
+}