#include "unity.h"
// #include "bintree.h"
// #include "string.h"
#include "numbers.h"
#include "stdlib.h"

void setUp(void)
{
    // set stuff up here
}

void tearDown(void)
{
    // set stuff up here
}

// getDuplicate on array without duplicats
// expects 0/error
void test_get_duplicate_error(void)
{
    unsigned int input[] = {1, 5, 9, 2, 4};
    unsigned int len = sizeof(input) / sizeof(input[0]);

    TEST_ASSERT_EQUAL_UINT(0, getDuplicate(input, len));
}

// this tries to brute force a triple
void test_for_triple(void)
{
    // this test is less effective if srand is called inside createNumbers()
    for (int i = 0; i < 100000; i++)
    {
        unsigned int *numbers = createNumbers(3);
        if (numbers[0] == numbers[1] && numbers[1] == numbers[2])
        {
            // fail the test
            TEST_ASSERT(0);
        }
        free(numbers);
    }
}

void test_getDuplicate (void)
{
    unsigned int numbers[] = {1,18,9,22,7,22,8};
    unsigned int len = 7;

    TEST_ASSERT_EQUAL_INT (22, getDuplicate(numbers, len)); 
}

int main(void)
{
    printf("============================\nNumbers tests\n============================\n");
    UNITY_BEGIN();
    RUN_TEST(test_get_duplicate_error);
    RUN_TEST(test_for_triple);
    RUN_TEST(test_getDuplicate);
    
    return UNITY_END();
}