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

#include "spitwad.h"

// Values from manually inspecting DOOM1.WAD with a third-party tool
void assert_doom1_wad(struct WAD *wad) {
    assert(wad->type == IWAD);
    assert(wad->dir_sz == 1264);
    assert(wad->dir_offset == 4175796);
    assert(wad->directory[0].offset == 12);
    assert(wad->directory[0].length == 10752);
    assert(strcmp(wad->directory[0].name, "PLAYPAL") == 0);
}

void basic_test() {
    struct WAD *wad = malloc(sizeof(struct WAD));
    assert(new_WAD_from_file(wad, "DOOM1.WAD") == 0);
    assert_doom1_wad(wad);
    destroy_WAD(wad);
    wad = NULL;
}

void read_write_test() {
    struct WAD *orig = malloc(sizeof(struct WAD));
    assert(new_WAD_from_file(orig, "DOOM1.WAD") == 0);

    assert(write_to_file(orig, "TEST.WAD") == 0);
    struct WAD *new = malloc(sizeof(struct WAD));
    assert(new_WAD_from_file(new, "TEST.WAD") == 0);
    assert_doom1_wad(new);

    destroy_WAD(orig);
    orig = NULL;
    destroy_WAD(new);
    new = NULL;
    remove("TEST.WAD");
}

int main() {
    basic_test();
    read_write_test();
}