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

void test_createNumbers() 
{
    unsigned int len = 6;
    unsigned int *array = createNumbers(len);
    TEST_ASSERT_NOT_NULL(array);

    unsigned int duplicate = getDuplicate(array, len);
    TEST_ASSERT_NOT_EQUAL(0, duplicate);

    int counter = 0;
    for (unsigned int i = 0; i < len; i++) 
    {
        if (array[i] == duplicate) 
            counter++;
    }
    
    TEST_ASSERT_EQUAL(2, counter);

    free(array);
}

void test_createNumbers_values()
{
    unsigned int len = 6;
    unsigned int *array = createNumbers(len);
    TEST_ASSERT_NOT_NULL(array);

    for (unsigned int i = 0; i < len; i++)
    {
        TEST_ASSERT_TRUE(array[i] >= 1);
        TEST_ASSERT_TRUE(array[i] <= 2 * len);
    }

    free(array);
}

void test_getDuplicate() 
{
    unsigned int array[6] = {1, 2, 4, 4, 6, 7};
    unsigned int duplicate = getDuplicate(array, 6);
    TEST_ASSERT_EQUAL_UINT(4, duplicate);
}

void setUp(void)
{
    // Falls notwendig, kann hier Vorbereitungsarbeit gemacht werden
}

void tearDown(void)
{
    // Hier kann Bereinigungsarbeit nach jedem Test durchgeführt werden
}

int main() 
{
    UNITY_BEGIN();

    printf("\n============================\n Numbers tests\n============================\n");

    RUN_TEST(test_createNumbers);
    RUN_TEST(test_createNumbers_values);
    RUN_TEST(test_getDuplicate);

    return UNITY_END();
}