//
// Created by faizi on 05.12.2025.
//
#include <stdio.h>
#include <stdlib.h>
#include "stack.h"

#define TEST(description, condition) \
    printf("%-40s: %s\n", description, (condition) ? "OK" : "FAIL")

int main(void)
{
    StackNode *stack = NULL;

    printf("Starte Stack Test\n");

    // push test
    int *a = malloc(sizeof(int));
    int *b = malloc(sizeof(int));
    *a = 10;
    *b = 20;


    printf("Starte Unit Tests fuer Stack\n");
    stack = push(stack, a);
    stack = push(stack, b);

    TEST("Top nach zwei Pushes == 20", *(int*)top(stack) == 20);


    // pop test
    stack = pop(stack);
    TEST("Top == 10 nach Pop", *(int*)top(stack) == 10);


    stack = pop(stack);
    TEST("Stack leer nach zwei Pops", stack == NULL);



    stack = push(stack, a);
    stack = push(stack, b);

    // clearStack test

    clearStack(stack);
    stack = NULL;

    TEST("clearStack ausgefuehrt (kein crash)", 1);

    free(a);
    free(b);

    return 0;

}