/*
 * test_harness.h — minimal assertion-based test harness.
 *
 * No third-party test framework, consistent with the project's
 * static-linking / zero-required-dependency constraint (Section 11.1).
 */
#ifndef PACKFS_TEST_HARNESS_H
#define PACKFS_TEST_HARNESS_H

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

static int pfs_test_failures = 0;

#define CHECK(cond) do { \
    if (!(cond)) { \
        fprintf(stderr, "FAIL %s:%d: %s\n", __FILE__, __LINE__, #cond); \
        pfs_test_failures++; \
    } \
} while (0)

#define CHECK_EQ_INT(a, b) do { \
    long long _a = (long long)(a), _b = (long long)(b); \
    if (_a != _b) { \
        fprintf(stderr, "FAIL %s:%d: %s (%lld) != %s (%lld)\n", __FILE__, __LINE__, #a, _a, #b, _b); \
        pfs_test_failures++; \
    } \
} while (0)

#define CHECK_STR_EQ(a, b) do { \
    const char *_a = (a), *_b = (b); \
    if (strcmp(_a, _b) != 0) { \
        fprintf(stderr, "FAIL %s:%d: %s (\"%s\") != %s (\"%s\")\n", __FILE__, __LINE__, #a, _a, #b, _b); \
        pfs_test_failures++; \
    } \
} while (0)

#define TEST_MAIN_END() \
    do { \
        if (pfs_test_failures) { fprintf(stderr, "%d check(s) failed\n", pfs_test_failures); return 1; } \
        fprintf(stderr, "OK\n"); \
        return 0; \
    } while (0)

#endif