#include "test_utils.h"

static int test_write_file(const char *path)
{
    printf("\n=== test_write_file ===\n");

    int fd = open(path, O_CREAT | O_RDWR, 0644);
    if (fd < 0) { perror("open"); return 1; }
    printf("open: %s fd=%d\n", path, fd);

    const char *msg = "Hello, zvfs!";
    ssize_t w = write(fd, msg, strlen(msg));
    if (w < 0) { perror("write"); close(fd); return 2; }
    printf("write: %zd bytes: %s\n", w, msg);

    close(fd);
    printf("close: ok\n");
    return 0;
}

int main(int argc, char **argv)
{
    char path[PATH_MAX];
    make_path(path, sizeof(path), argc >= 2 ? argv[1] : NULL, "file.dat");
    int rc = test_write_file(path);
    return report_result("test_write_file", rc);
}