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Author SHA1 Message Date
Vitor Hideyoshi
799c090f79 style: update formatting in dynamic_array.h and .clang-format for consistency
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2026-04-16 11:00:46 -03:00
2 changed files with 43 additions and 116 deletions
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39
src/dynamic_array.h
View File

@@ -25,53 +25,40 @@ typedef struct {
#define array_create(arr) \
do { \
ArrayHeader* header = \
malloc(sizeof(*(arr)) * DYNAMIC_ARRAY_DEFAULT_ARRAY_SIZE + sizeof(ArrayHeader)); \
if (header == NULL) { \
abort(); \
} \
malloc(sizeof(*arr) * DYNAMIC_ARRAY_DEFAULT_ARRAY_SIZE + sizeof(ArrayHeader)); \
header->size = 0; \
header->capacity = DYNAMIC_ARRAY_DEFAULT_ARRAY_SIZE; \
\
(arr) = (void*)(header + 1); \
arr = (void*)(header + 1); \
} while (0)
#define array_get_header(arr) ((arr) ? ((ArrayHeader*)(arr) - 1) : NULL)
#define array_get_header(arr) ((ArrayHeader*)(arr) - 1)
#define array_destroy(arr) \
do { \
if ((arr) == NULL) { \
break; \
} \
free(array_get_header(arr)); \
(arr) = NULL; \
arr = NULL; \
} while (0)
#define array_push_value(arr, value) \
do { \
if ((arr) == NULL) { \
array_create(arr); \
} \
ArrayHeader* header = array_get_header(arr); \
if (header->size >= header->capacity) { \
if (header->size + 1 > header->capacity) { \
size_t new_capacity = header->capacity * DYNAMIC_ARRAY_CAPACITY_FACTOR; \
ArrayHeader* new_header = \
realloc(header, sizeof(*(arr)) * new_capacity + sizeof(ArrayHeader)); \
if (new_header == NULL) { \
abort(); \
} \
realloc(header, sizeof(*arr) * new_capacity + sizeof(ArrayHeader)); \
if (new_header != NULL) { \
header = new_header; \
header->capacity = new_capacity; \
(arr) = (void*)(header + 1); \
} \
(arr)[header->size] = (value); \
header->capacity = new_capacity; \
arr = (void*)(header + 1); \
} \
arr[header->size] = value; \
header->size++; \
} while (0)
#define array_pop(arr) \
do { \
if ((arr) == NULL) { \
break; \
} \
ArrayHeader* header = array_get_header(arr); \
if (header->size == 0) { \
break; \
@@ -79,8 +66,4 @@ typedef struct {
header->size--; \
} while (0)
#define array_size(arr) ((arr) ? array_get_header(arr)->size : 0)
#define array_capacity(arr) ((arr) ? array_get_header(arr)->capacity : 0)
#endif

90
src/test_dynamic_array.c
View File

@@ -2,11 +2,11 @@
#include "dynamic_array.h"
void setUp(void) {
}
void tearDown(void) {
}
void setUp(void) {}
void tearDown(void) {}
void test_array_create_without_options(void) {
int *arr = NULL;
@@ -18,6 +18,7 @@ void test_array_create_without_options(void) {
array_destroy(arr);
}
void test_array_destroy(void) {
int *arr = NULL;
array_create(arr);
@@ -25,6 +26,7 @@ void test_array_destroy(void) {
TEST_ASSERT_NULL(arr);
}
void test_array_size_initial(void) {
int *arr = NULL;
array_create(arr);
@@ -34,6 +36,7 @@ void test_array_size_initial(void) {
array_destroy(arr);
}
void test_array_push_value(void) {
int *arr = NULL;
array_create(arr);
@@ -46,6 +49,7 @@ void test_array_push_value(void) {
array_destroy(arr);
}
void test_array_push_multiple_values(void) {
int *arr = NULL;
array_create(arr);
@@ -62,6 +66,7 @@ void test_array_push_multiple_values(void) {
array_destroy(arr);
}
void test_array_pop_decrements_size(void) {
int *arr = NULL;
array_create(arr);
@@ -75,6 +80,7 @@ void test_array_pop_decrements_size(void) {
array_destroy(arr);
}
void test_array_pop_on_empty_is_noop(void) {
int *arr = NULL;
array_create(arr);
@@ -92,6 +98,7 @@ void test_array_pop_on_empty_is_noop(void) {
array_destroy(arr);
}
void test_array_get_capacity_default(void) {
int *arr = NULL;
array_create(arr);
@@ -101,6 +108,7 @@ void test_array_get_capacity_default(void) {
array_destroy(arr);
}
void test_array_size_capacity_relationship(void) {
int *arr = NULL;
array_create(arr);
@@ -116,6 +124,7 @@ void test_array_size_capacity_relationship(void) {
array_destroy(arr);
}
void test_array_push_beyond_capacity(void) {
int *arr = NULL;
array_create(arr);
@@ -132,6 +141,7 @@ void test_array_push_beyond_capacity(void) {
array_destroy(arr);
}
void test_array_values_correct_after_growth(void) {
int *arr = NULL;
array_create(arr);
@@ -149,6 +159,7 @@ void test_array_values_correct_after_growth(void) {
array_destroy(arr);
}
void test_array_looping(void) {
int *arr = NULL;
array_create(arr);
@@ -166,67 +177,9 @@ void test_array_looping(void) {
}
}
/* --- array_get_header branch: NULL arr → returns NULL --- */
void test_array_get_header_on_null_returns_null(void) {
int* arr = NULL;
TEST_ASSERT_NULL(array_get_header(arr));
}
/* --- array_destroy branch: NULL arr → no-op, does not crash --- */
void test_array_destroy_on_null_is_noop(void) {
int* arr = NULL;
array_destroy(arr);
TEST_ASSERT_NULL(arr);
}
/* --- array_push_value branch: NULL arr → auto-creates the array --- */
void test_array_push_value_on_null_auto_creates(void) {
int* arr = NULL;
array_push_value(arr, 7);
TEST_ASSERT_NOT_NULL(arr);
TEST_ASSERT_EQUAL(7, arr[0]);
TEST_ASSERT_EQUAL(1, array_get_header(arr)->size);
array_destroy(arr);
}
/* --- array_pop branch: NULL arr → no-op, does not crash --- */
void test_array_pop_on_null_is_noop(void) {
int* arr = NULL;
array_pop(arr);
TEST_ASSERT_NULL(arr);
}
/* --- array_size branch: NULL arr → 0 --- */
void test_array_size_on_null_returns_zero(void) {
int* arr = NULL;
TEST_ASSERT_EQUAL(0, array_size(arr));
}
/* --- array_size branch: non-NULL arr → current size --- */
void test_array_size_returns_current_size(void) {
int* arr = NULL;
array_create(arr);
array_push_value(arr, 1);
array_push_value(arr, 2);
TEST_ASSERT_EQUAL(2, array_size(arr));
array_destroy(arr);
}
/* --- array_capacity branch: NULL arr → 0 --- */
void test_array_capacity_on_null_returns_zero(void) {
int* arr = NULL;
TEST_ASSERT_EQUAL(0, array_capacity(arr));
}
/* --- array_capacity branch: non-NULL arr → current capacity --- */
void test_array_capacity_returns_current_capacity(void) {
int* arr = NULL;
array_create(arr);
TEST_ASSERT_EQUAL(DYNAMIC_ARRAY_DEFAULT_ARRAY_SIZE, array_capacity(arr));
array_destroy(arr);
}
int main(void) {
int main(void)
{
UNITY_BEGIN();
RUN_TEST(test_array_create_without_options);
@@ -242,14 +195,5 @@ int main(void) {
RUN_TEST(test_array_values_correct_after_growth);
RUN_TEST(test_array_looping);
RUN_TEST(test_array_get_header_on_null_returns_null);
RUN_TEST(test_array_destroy_on_null_is_noop);
RUN_TEST(test_array_push_value_on_null_auto_creates);
RUN_TEST(test_array_pop_on_null_is_noop);
RUN_TEST(test_array_size_on_null_returns_zero);
RUN_TEST(test_array_size_returns_current_size);
RUN_TEST(test_array_capacity_on_null_returns_zero);
RUN_TEST(test_array_capacity_returns_current_capacity);
return UNITY_END();
}