#include "jairee.h"
#include <stdio.h>

#define TEST(x) Test(#x, x, __FILE__, __LINE__)

static int n_tests_passed;
static int n_tests_failed;

static void Test(const char * message, int result, const char * file, int line)
{
    if (result)
    {
        n_tests_passed++;
    }
    else
    {
        fprintf(stderr, "Test failure at %s:%d: \"%s\"\n", file, line, message);
        n_tests_failed++;
    }
}

static void test_asciiz_string()
{
    jairee_string_t * s = jairee_string_from_asciiz("Test String");
    size_t offset = 0;
    TEST(s->len == 11u);
    TEST(s->decode(s->str, &offset) == 'T');
    TEST(offset == 1u);
    offset = 10u;
    TEST(s->decode(s->str, &offset) == 'g');
    TEST(offset == 11u);
    jairee_string_free(s);
}

static void test_basic_re()
{
    jairee_string_t * s = jairee_string_from_asciiz("abcd");
    jairee_re_t * re = jairee_compile(s);
    TEST(re != NULL);
    TEST(re->error == 0u);
    jairee_match_t * match = jairee_matchc(s, 0u, re);
    TEST(match != NULL);
    TEST(match->start == 0u);
    TEST(match->end == 4u);
    TEST(match->next == NULL);
    jairee_match_free(match);
    jairee_string_free(s);
}

int main(int argc, char * argv[])
{
    test_asciiz_string();
    test_basic_re();

    printf("%d/%d tests passed\n", n_tests_passed, n_tests_passed + n_tests_failed);

    return n_tests_failed == 0 ? 0 : 1;
}