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Tests für Fehlermeldungen in Numbers hinzugefügt

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Björn 2025-12-09 15:04:03 +01:00
parent ce50ae30fa
commit 8fdfe6b2f4
1 changed files with 72 additions and 0 deletions
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72
numbersTests.c
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@ -2,6 +2,7 @@
#include <stdlib.h>
#include "numbers.h"
#include "unity.h"
#include <stdbool.h>
//Initialisierung
void setUp(void){}
@ -92,6 +93,73 @@ void test_getDuplicated_finds_correct_duplicate(void)
free(arr);
}
// ---------------------------------------------------------------------------
// Hilfsfunktion: prüft ob createNumbers einen Fehlerzustand signalisiert
// Du kannst diese später anpassen (z.B. wenn Fehler-Flags eingebaut werden)
// ---------------------------------------------------------------------------
static bool did_createNumbers_fail(unsigned int* ptr)
{
return (ptr == NULL); // aktuell: NULL bedeutet Fehler
}
// ---------------------------------------------------------------------------
// Test: createNumbers soll bei count < 2 fehlschlagen
// ---------------------------------------------------------------------------
void test_createNumbers_rejects_too_small_counts(void)
{
unsigned int* r1 = createNumbers(0);
unsigned int* r2 = createNumbers(1);
TEST_ASSERT_TRUE(did_createNumbers_fail(r1));
TEST_ASSERT_TRUE(did_createNumbers_fail(r2));
}
// ---------------------------------------------------------------------------
// Test: createNumbers(2) soll funktionieren (Minimum gültiger Input)
// ---------------------------------------------------------------------------
void test_createNumbers_with_two_elements_is_valid(void)
{
unsigned int* arr = createNumbers(2);
TEST_ASSERT_FALSE(did_createNumbers_fail(arr));
TEST_ASSERT_NOT_NULL(arr);
// should contain exactly one duplicate
unsigned int c0 = countOccurrences(arr, 2, arr[0]);
unsigned int c1 = countOccurrences(arr, 2, arr[1]);
TEST_ASSERT_TRUE((c0 == 2) || (c1 == 2));
free(arr);
}
// ---------------------------------------------------------------------------
// Test: getDuplicate() soll Fehler erkennen, wenn arr == NULL
// ---------------------------------------------------------------------------
void test_getDuplicate_handles_null_pointer(void)
{
unsigned int result = getDuplicate(NULL, 10);
// Erwartung: Fehlerzustand → aktuell vermutlich 0 oder UINT_MAX
// Wir prüfen nur, DASS es ein Fehler ist:
TEST_ASSERT_TRUE(result == 0 || result == UINT_MAX);
}
// ---------------------------------------------------------------------------
// Test: getDuplicated) soll Fehler erkennen, wenn count < 2
// ---------------------------------------------------------------------------
void test_getDuplicate_handles_invalid_count(void)
{
unsigned int dummy[1] = { 5 };
unsigned int result = getDuplicate(dummy, 1);
TEST_ASSERT_TRUE(result == 0 || result == UINT_MAX);
}
// ---------------------------------------------------------------------------
// main() für Unity
// ---------------------------------------------------------------------------
@ -102,6 +170,10 @@ int main(void)
RUN_TEST(test_createNumbers_returns_valid_array);
RUN_TEST(test_createNumbers_contains_exactly_one_duplicate);
RUN_TEST(test_getDuplicated_finds_correct_duplicate);
RUN_TEST(test_createNumbers_rejects_too_small_counts);
RUN_TEST(test_createNumbers_with_two_elements_is_valid);
RUN_TEST(test_getDuplicate_handles_null_pointer);
RUN_TEST(test_getDuplicate_handles_invalid_count);
return UNITY_END();
}