#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "unity/unity.h"
#include "stack.h"

void test_stackOrderIsCorrect()
{
    int expectedValues[] = {1, 2, 3, 4};
    const unsigned int exprectedLen = sizeof(expectedValues) / sizeof(expectedValues[0]);
    unsigned int observedLen = 0;
    StackNode *stack = NULL;

    for(int i = 0; i < exprectedLen; i++)
    {
        stack = push(stack, &expectedValues[i]);
    }

    for(int i = exprectedLen-1; i >= 0 && stack != NULL; i--)
    {
        TEST_ASSERT_EQUAL(expectedValues[i], *(int *)top(stack));
        observedLen++;
        stack = pop(stack);
    }
    TEST_ASSERT_EQUAL_UINT32(exprectedLen, observedLen);

    clearStack(stack);
}

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

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