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

void test_ArrayIsCreatedAndNotNull(void){
    size_t len = 15;
    int *testArray = createNumbers(len);

    TEST_ASSERT_NOT_NULL(testArray); //If array hasnt been created at all

    free(testArray);
}


void test_getDouplicateReturnsDouplicateNumber(void){

    unsigned int testArray[8] = {1, 2, 3, 3, 4, 5, 6, 7};
    unsigned int testValue = getDuplicate(testArray, 8);

    TEST_ASSERT_EQUAL(3, testValue);
}


void test_getDouplicateReturnsZeroWhenThereIsNoDuplicate(void){
    unsigned int testArray[8] = {1, 2, 3, 4, 5, 6, 7, 8};
    unsigned int testValue = getDuplicate(testArray, 8);

    TEST_ASSERT_EQUAL(0, testValue);
}

void test_getDouplicateReturnsZeroWhenThereAreMultipleDuplicates(void){

    unsigned int testArray[8] = {1, 3, 3, 4, 5, 6, 7, 7};
    unsigned int testValue = getDuplicate(testArray, 8);

    TEST_ASSERT_EQUAL(0, testValue);
}

void test_CreateNumbersCreatesDuplicatein2LenArray(void){
    unsigned int *testArray = createNumbers(2);
    unsigned int testValue = getDuplicate(testArray, 2);

    if(!testValue)
        testValue = 0;

    else
        testValue = 1;

    TEST_ASSERT_EQUAL(1, testValue);

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

int main(){
UNITY_BEGIN();

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

RUN_TEST(test_ArrayIsCreatedAndNotNull);
RUN_TEST(test_CreateNumbersCreatesDuplicatein2LenArray);
RUN_TEST(test_getDouplicateReturnsDouplicateNumber);
RUN_TEST(test_getDouplicateReturnsZeroWhenThereIsNoDuplicate);
RUN_TEST(test_getDouplicateReturnsZeroWhenThereAreMultipleDuplicates);

return UNITY_END();
}