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add numbers.c test

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This commit is contained in:
Simon Wiesend 2025-12-07 17:26:16 +01:00
parent 0e408e5ec9
commit a27f734e4f
Signed by: wiesendsi102436
GPG Key ID: C18A833054142CF0
1 changed files with 21 additions and 3 deletions
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24
test_numbers.c
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@ -1,6 +1,7 @@
#include "unity.h"
#include "numbers.h"
#include "stdlib.h"
#include "string.h"
static int compareInt(const void *ptr1, const void *ptr2);
@ -27,7 +28,7 @@ void test_get_duplicate_without_duplicates(void)
// getDuplicate() on some arrays with 1 duplicate
void test_get_duplicate(void)
{
unsigned int arr1[] = {4, 8, 32, 5, 3, 8, 8};
unsigned int arr1[] = {4, 15, 32, 5, 3, 8, 8};
unsigned int len1 = sizeof(arr1) / sizeof(arr1[0]);
unsigned int arr2[] = {1, 3, 3, 7};
unsigned int len2 = sizeof(arr2) / sizeof(arr2[0]);
@ -48,13 +49,29 @@ void test_for_triple(void)
unsigned int *numbers = createNumbers(3);
if (numbers[0] == numbers[1] && numbers[1] == numbers[2])
{
// fail the test
TEST_ASSERT(0);
TEST_FAIL_MESSAGE("triple generated");
}
free(numbers);
}
}
// check if getDuplicate() modifies the original array (it should not)
void test_get_duplicate_does_modify()
{
unsigned int arr1[] = {1, 2, 3, 4, 5, 4, 3, 2, 1}; // sorting would change this
size_t len1 = sizeof(arr1) / sizeof(arr1[0]);
unsigned int arr1Copy[5];
memcpy(arr1Copy, arr1, len1);
getDuplicate(arr1, len1); // return value does not matter
// check if the arrays are still the same
if (memcmp(arr1, arr1Copy, len1))
{
TEST_FAIL_MESSAGE("Arrays have diverged");
}
}
// checks if there is exactly 1 duplicate number at varying array sizes
void test_exactly_one_duplicate()
{
@ -105,5 +122,6 @@ int main(void)
RUN_TEST(test_for_triple);
RUN_TEST(test_exactly_one_duplicate);
RUN_TEST(test_get_duplicate);
RUN_TEST(test_get_duplicate_does_modify);
return UNITY_END();
}