#include "unity/unity.h"
#define PCRE2_CODE_UNIT_WIDTH 8
#include "pcre2.h"

void setUp(void) {}
void tearDown(void) {}

void test_simple_match(void) {
    pcre2_code *re;
    pcre2_match_data *match_data;
    int errornumber;
    PCRE2_SIZE erroroffset;
    PCRE2_SPTR pattern = (PCRE2_SPTR)"\\d+";
    PCRE2_SPTR subject = (PCRE2_SPTR)"abc123def";
    int rc;
    
    re = pcre2_compile(pattern, PCRE2_ZERO_TERMINATED, 0,
                       &errornumber, &erroroffset, NULL);
    TEST_ASSERT_NOT_NULL(re);
    
    match_data = pcre2_match_data_create_from_pattern(re, NULL);
    rc = pcre2_match(re, subject, PCRE2_ZERO_TERMINATED, 0, 0, match_data, NULL);
    
    TEST_ASSERT_GREATER_THAN(0, rc);  // Should find a match
    
    pcre2_match_data_free(match_data);
    pcre2_code_free(re);
}

void test_no_match(void) {
    pcre2_code *re;
    pcre2_match_data *match_data;
    int errornumber;
    PCRE2_SIZE erroroffset;
    PCRE2_SPTR pattern = (PCRE2_SPTR)"\\d+";
    PCRE2_SPTR subject = (PCRE2_SPTR)"abcdef";
    int rc;
    
    re = pcre2_compile(pattern, PCRE2_ZERO_TERMINATED, 0,
                       &errornumber, &erroroffset, NULL);
    match_data = pcre2_match_data_create_from_pattern(re, NULL);
    rc = pcre2_match(re, subject, PCRE2_ZERO_TERMINATED, 0, 0, match_data, NULL);
    
    TEST_ASSERT_EQUAL(PCRE2_ERROR_NOMATCH, rc);
    
    pcre2_match_data_free(match_data);
    pcre2_code_free(re);
}

int main(void) {
    UNITY_BEGIN();
    RUN_TEST(test_simple_match);
    RUN_TEST(test_no_match);
    return UNITY_END();
}