#include <stdio.h>
#include <stdlib.h>
#include "unity/unity.h"
#include "numbers.h"

void test_createNumbers_create_one_double_number()
{
    setSeed(1);
    unsigned int len = 20;
    unsigned int *numbers = createNumbers(len);

    qsort(numbers, len, sizeof(unsigned int), compare);

    unsigned int count = 0;
    for (unsigned int i = 1; i < len; i++)
    {
        if (numbers[i] == numbers[i - 1])
        {
            count++;
        }
    }
    TEST_ASSERT_EQUAL_UINT(1, count);
}

void test_getduplicate_returns_corecct_duplicate()
{
    unsigned int test_numbers[6] = {1, 2, 3, 4, 5, 5};
    unsigned int duplicate = 0;

    duplicate = getDuplicate(test_numbers, 6);

    TEST_ASSERT_EQUAL(5, duplicate);
}

void test_getduplicate_know_if_no_duplicate()
{
    unsigned int test_numbers[6] = {1, 2, 3, 4, 5, 6};
    unsigned int duplicate = 0;

    duplicate = getDuplicate(test_numbers, 6);

    TEST_ASSERT_EQUAL(0, duplicate);
}

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

int main(void)
{
    UNITY_BEGIN();

    RUN_TEST(test_createNumbers_create_one_double_number);
    RUN_TEST(test_getduplicate_returns_corecct_duplicate);
    RUN_TEST(test_getduplicate_know_if_no_duplicate);
    return UNITY_END();
}