#include "test.h"
#include "libft.h"

TEST(test_isalpha) {
    ASSERT(ft_isalpha('a'));
    ASSERT(ft_isalpha('Z'));
    ASSERT(!ft_isalpha('1'));
    ASSERT(!ft_isalpha('@'));
    ASSERT(!ft_isalpha(' '));
}

TEST(test_isdigit) {
    ASSERT(ft_isdigit('0'));
    ASSERT(ft_isdigit('9'));
    ASSERT(!ft_isdigit('a'));
    ASSERT(!ft_isdigit(' '));
    ASSERT(!ft_isdigit('#'));
}

TEST(test_islower) {
    ASSERT(ft_islower('a'));
    ASSERT(ft_islower('z'));
    ASSERT(!ft_islower('A'));
    ASSERT(!ft_islower('0'));
    ASSERT(!ft_islower(' '));
}

TEST(test_isupper) {
    ASSERT(ft_isupper('A'));
    ASSERT(ft_isupper('Z'));
    ASSERT(!ft_isupper('a'));
    ASSERT(!ft_isupper('0'));
    ASSERT(!ft_isupper(' '));
}

TEST(test_tolower) {
    ASSERT(ft_tolower('A') == 'a');
    ASSERT(ft_tolower('Z') == 'z');
    ASSERT(ft_tolower('a') == 'a');
    ASSERT(ft_tolower('z') == 'z');
    ASSERT(ft_tolower('1') == '1');
    ASSERT(ft_tolower(' ') == ' ');
}

TEST(test_toupper) {
    ASSERT(ft_toupper('a') == 'A');
    ASSERT(ft_toupper('z') == 'Z');
    ASSERT(ft_toupper('A') == 'A');
    ASSERT(ft_toupper('Z') == 'Z');
    ASSERT(ft_toupper('1') == '1');
    ASSERT(ft_toupper(' ') == ' ');
}

int main(void) {
    RUN_TEST(test_isalpha);
    RUN_TEST(test_isdigit);
    RUN_TEST(test_islower);
    RUN_TEST(test_isupper);
    RUN_TEST(test_tolower);
    RUN_TEST(test_toupper);
    return 0;
}