Add darray remove operations

dqn.h

@@ -72,6 +72,23 @@ typedef float  f32;
 	dqn_darray_free(uintArray);
  */
 
+// Typical operations should not require using the header directly, and it's
+// recommended to use the API, but it can be used to have a faster way to track
+// metadata.
+typedef struct DqnDArrayHeader
+{
+	u32  index;
+	u32  itemSize;
+	u32  capacity;
+	u32  signature;
+
+	void *data;
+} DqnDArrayHeader;
+
+// Returns the DArray header IF is a valid DArray
+// Returns NULL              IF not a valid DArray
+DQN_FILE_SCOPE DqnDArrayHeader *dqn_darray_get_header(void *array);
+
 // The init macro RETURNS a pointer to your type, you can index this as normal
 // with array notation [].
 // u32 type             - The data type to initiate a dynamic array with
@@ -84,11 +101,33 @@ typedef float  f32;
 DQN_FILE_SCOPE u32  dqn_darray_get_capacity(void *array);
 DQN_FILE_SCOPE u32  dqn_darray_get_num_items(void *array);
 
+// Returns true and array modified in-place IF
+//   - The capacity change was successful OR
+//   - The newCapacity is equal to current capacity (no changes).
+// Returns false and array is unmodified IF
+//   - Invalid DArray passed in OR realloc failed OR
+//   - More items in array than new capacity
+DQN_FILE_SCOPE bool dqn_darray_capacity_change(void **array, i32 newCapacity);
+
+// WARNING: This macro currently asserts if it's unable to push elements
 // void **array - the address of the pointer returned by DQN_DARRAY_INIT
-// void *item   - a pointer to the object to insert
+// void item    - the object to insert
-// The push macro RETURNS true/false if the push was successful or not.
 #define DQN_DARRAY_PUSH(array, item)                                           \
-	dqn_darray_push_internal((void **)array, (void *)item, sizeof(*item))
+	{                                                                          \
+		if (dqn_darray_capacity_grow_if_need_internal((void **)array))         \
+		{                                                                      \
+			DqnDArrayHeader *header = dqn_darray_get_header(*array);           \
+			*array[header->index++] = item;                                    \
+		}                                                                      \
+		else                                                                   \
+		{                                                                      \
+			DQN_ASSERT(DQN_INVALID_CODE_PATH);                                 \
+		}                                                                      \
+	}
+
+DQN_FILE_SCOPE bool dqn_darray_clear        (void *array);
+DQN_FILE_SCOPE bool dqn_darray_remove       (void *array, u32 index);
+DQN_FILE_SCOPE bool dqn_darray_remove_stable(void *array, u32 index);
 
 // Pass in the pointer returned by DQN_DARRAY_INIT. Returns if the free was
 // successful. This will return false if the array is not a valid DArray and
@@ -165,7 +204,7 @@ typedef union DqnV4
 } DqnV4;
 
 // Create a vector using ints and typecast to floats
-DQN_FILE_SCOPE DqnV4 dqn_v4i(i32 x, i32 y, i32 z);
+DQN_FILE_SCOPE DqnV4 dqn_v4i(i32 x, i32 y, i32 z, f32 w);
 DQN_FILE_SCOPE DqnV4 dqn_v4 (f32 x, f32 y, f32 z, f32 w);
 
 DQN_FILE_SCOPE DqnV4 dqn_v4_add     (DqnV4 a, DqnV4 b);
@@ -230,6 +269,12 @@ DQN_FILE_SCOPE void  dqn_i32_to_str (i32 value, char *buf, i32 bufSize);
 DQN_FILE_SCOPE u32 dqn_ucs_to_utf8(u32 *dest, u32 character);
 DQN_FILE_SCOPE u32 dqn_utf8_to_ucs(u32 *dest, u32 character);
 
+////////////////////////////////////////////////////////////////////////////////
+// Win32 Specific
+////////////////////////////////////////////////////////////////////////////////
+DQN_FILE_SCOPE bool dqn_win32_utf8_to_wchar(char *in, wchar_t *out, i32 outLen);
+DQN_FILE_SCOPE bool dqn_win32_wchar_to_utf8(wchar_t *in, char *out, i32 outLen);
+
 ////////////////////////////////////////////////////////////////////////////////
 // File Operations
 ////////////////////////////////////////////////////////////////////////////////
@@ -301,27 +346,17 @@ DQN_FILE_SCOPE i32  dqn_rnd_pcg_range(DqnRandPCGState *pcg, i32 min, i32 max);
 // DArray - Dynamic Array
 ////////////////////////////////////////////////////////////////////////////////
 #define DQN_DARRAY_SIGNATURE_INTERNAL 0xAC83DB81
-typedef struct DqnDArrayInternal
-{
-	u32  index;
-	u32  itemSize;
-	u32  capacity;
-	u32  signature;
-
-	void *data;
-} DqnDArrayInternal;
-
 FILE_SCOPE void *dqn_darray_init_internal(u32 itemSize, u32 startingCapacity)
 {
 	if (startingCapacity <= 0 || itemSize == 0) return NULL;
 
-	u32 metadataSize = sizeof(DqnDArrayInternal);
+	u32 metadataSize = sizeof(DqnDArrayHeader);
 	u32 storageSize  = itemSize * startingCapacity;
 
 	void *memory = calloc(1, metadataSize + storageSize);
 	if (!memory) return NULL;
 
-	DqnDArrayInternal *array = (DqnDArrayInternal *)memory;
+	DqnDArrayHeader *array = (DqnDArrayHeader *)memory;
 	array->signature  = DQN_DARRAY_SIGNATURE_INTERNAL;
 	array->itemSize   = itemSize;
 	array->capacity   = startingCapacity;
@@ -330,36 +365,65 @@ FILE_SCOPE void *dqn_darray_init_internal(u32 itemSize, u32 startingCapacity)
 	return array->data;
 }
 
-FILE_SCOPE DqnDArrayInternal *dqn_darray_get_header_internal(void *array)
+DQN_FILE_SCOPE DqnDArrayHeader *dqn_darray_get_header(void *array)
 {
 	if (!array) return NULL;
 
-	DqnDArrayInternal *result = (DqnDArrayInternal *)((u8 *)array - sizeof(DqnDArrayInternal));
+	DqnDArrayHeader *result = (DqnDArrayHeader *)((u8 *)array - sizeof(DqnDArrayHeader));
-	if (result->signature != DQN_DARRAY_SIGNATURE_INTERNAL) return 0;
+	if (result->signature != DQN_DARRAY_SIGNATURE_INTERNAL) return NULL;
 
 	return result;
 }
 
 DQN_FILE_SCOPE u32 dqn_darray_get_capacity(void *array)
 {
-	DqnDArrayInternal *header = dqn_darray_get_header_internal(array);
+	DqnDArrayHeader *header = dqn_darray_get_header(array);
 	if (!header) return 0;
 	return header->capacity;
 }
 
 DQN_FILE_SCOPE u32 dqn_darray_get_num_items(void *array)
 {
-	DqnDArrayInternal *header = dqn_darray_get_header_internal(array);
+	DqnDArrayHeader *header = dqn_darray_get_header(array);
 	if (!header) return 0;
 	return header->index;
 }
 
-bool dqn_darray_push_internal(void **array, void *element, u32 itemSize)
+DQN_FILE_SCOPE bool dqn_darray_capacity_change(void **array, u32 newCapacity)
 {
-	if (!element || !array) return false;
+	DqnDArrayHeader *header = dqn_darray_get_header(*array);
+	if (!header) return false;
+	if (header->capacity == newCapacity) return true;
 
-	DqnDArrayInternal *header = dqn_darray_get_header_internal(*array);
+	if (newCapacity > header->index)
-	if (!header || header->itemSize != itemSize) return false;
+	{
+		u32 metadataSize = sizeof(DqnDArrayHeader);
+		u32 storageSize  = header->itemSize * newCapacity;
+		void *newMem     = realloc(header, metadataSize + storageSize);
+		if (newMem)
+		{
+			header           = (DqnDArrayHeader *)newMem;
+			header->capacity = newCapacity;
+			header->data     = (u8 *)newMem + metadataSize;
+			*array           = header->data;
+
+			return true;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	else
+	{
+		return false;
+	}
+}
+
+FILE_SCOPE bool dqn_darray_capacity_grow_if_need_internal(void **array)
+{
+	DqnDArrayHeader *header = dqn_darray_get_header(*array);
+	if (!header) return false;
 
 	if (header->index >= header->capacity)
 	{
@@ -367,21 +431,23 @@ bool dqn_darray_push_internal(void **array, void *element, u32 itemSize)
 		u32 newCapacity         = (i32)(header->capacity * GROWTH_FACTOR);
 		if (newCapacity == header->capacity) newCapacity++;
 
-		u32 metadataSize = sizeof(DqnDArrayInternal);
+		return dqn_darray_capacity_change(array, newCapacity);
-		u32 storageSize  = header->itemSize * newCapacity;
-		void *newMem     = realloc(header, metadataSize + storageSize);
-		if (newMem)
-		{
-			header           = (DqnDArrayInternal *)newMem;
-			header->capacity = newCapacity;
-			header->data     = (u8 *)newMem + metadataSize;
-			*array           = header->data;
 	}
-		else
+
+	return true;
+}
+
+bool dqn_darray_push_internal(void **array, void *element, u32 itemSize)
 {
+	if (!element || !array) return false;
+
+	DqnDArrayHeader *header = dqn_darray_get_header(*array);
+	if (!header || header->itemSize != itemSize) return false;
+
+	// NOTE: Array is grown before this step happens. If at this point it still
+	// doesn't fit then we've had a mem alloc problem.
+	if (header->index >= header->capacity)
 		return false;
-		}
-	}
 
 	u32 arrayOffset = header->itemSize * header->index++;
 	DQN_ASSERT(header->index <= header->capacity);
@@ -394,9 +460,108 @@ bool dqn_darray_push_internal(void **array, void *element, u32 itemSize)
 	return true;
 }
 
+DQN_FILE_SCOPE bool dqn_darray_clear(void *array)
+{
+	DqnDArrayHeader *header = dqn_darray_get_header(array);
+	if (header)
+	{
+		header->index = 0;
+		return true;
+	}
+
+	return false;
+}
+
+DQN_FILE_SCOPE bool dqn_darray_remove(void *array, u32 index)
+{
+	DqnDArrayHeader *header = dqn_darray_get_header(array);
+	if (header)
+	{
+		// NOTE: header->index is the index where the next entry will be push to
+		// Array is empty, or index is out of bounds
+		if (header->index == 0 || index >= header->index) return false;
+
+		// If it's the first entry we just need to decrement index
+		if (index == 0 && header->index == 1)
+		{
+			header->index--;
+			return true;
+		}
+
+		// If it's the last entry we just need to decrement index
+		if (index == (header->index - 1))
+		{
+			header->index--;
+			return true;
+		}
+
+		u32 lastEntryIndex        = header->index - 1;
+		u32 lastEntryByteOffset   = lastEntryIndex * header->itemSize;
+		u32 removeEntryIndex      = index;
+		u32 removeEntryByteOffset = removeEntryIndex * header->itemSize;
+
+		u8 *dataPtr = (u8 *)header->data;
+		void *dest  = (void *)&dataPtr[removeEntryByteOffset];
+		void *src   = (void *)&dataPtr[lastEntryByteOffset];
+		memcpy(dest, src, header->itemSize);
+
+		header->index--;
+
+		return true;
+	}
+
+	return false;
+}
+
+DQN_FILE_SCOPE bool dqn_darray_remove_stable(void *array, u32 index)
+{
+	DqnDArrayHeader *header = dqn_darray_get_header(array);
+	if (header)
+	{
+		// NOTE: header->index is the index where the next entry will be push to
+		// Array is empty, or index is out of bounds
+		if (header->index == 0 || index >= header->index) return false;
+
+		// If it's the last entry we just need to decrement index
+		if (index == (header->index - 1))
+		{
+			header->index--;
+			return true;
+		}
+
+		// If it's the first entry we just need to decrement index
+		if (index == 0 && header->index == 1)
+		{
+			header->index--;
+			return true;
+		}
+
+		u32 removeEntryIndex         = index;
+		u32 removeEntryByteOffset    = removeEntryIndex * header->itemSize;
+
+		u32 oneAfterRemove           = index + 1;
+		u32 oneAfterRemoveByteOffset = oneAfterRemove * header->itemSize;
+		u32 endOfListIndex           = header->index - 1;
+		u32 endOfListByteOffset      = endOfListIndex * header->itemSize;
+
+		u32 numBytesToShift = endOfListByteOffset - oneAfterRemoveByteOffset;
+		DQN_ASSERT(numBytesToShift <= (header->itemSize * header->capacity));
+
+		u8 *dataPtr = (u8 *)header->data;
+		void *dest  = (void *)&dataPtr[removeEntryByteOffset];
+		void *src   = (void *)&dataPtr[oneAfterRemoveByteOffset];
+		memmove(dest, src, endOfListByteOffset);
+
+		header->index--;
+		return true;
+	}
+
+	return false;
+}
+
 DQN_FILE_SCOPE inline bool dqn_darray_free(void *array)
 {
-	DqnDArrayInternal *header = dqn_darray_get_header_internal(array);
+	DqnDArrayHeader *header = dqn_darray_get_header(array);
 	if (header)
 	{
 		header->index     = 0;
@@ -1224,8 +1389,7 @@ DQN_FILE_SCOPE u32 dqn_utf8_to_ucs(u32 *dest, u32 character)
 #ifdef DQN_WIN32
 	#define DQN_WIN32_ERROR_BOX(text, title) MessageBoxA(NULL, text, title, MB_OK);
 
-FILE_SCOPE bool dqn_win32_utf8_to_wchar_internal(char *in, wchar_t *out,
+DQN_FILE_SCOPE bool dqn_win32_utf8_to_wchar(char *in, wchar_t *out, i32 outLen)
-                                                  i32 outLen)
 {
 	u32 result = MultiByteToWideChar(CP_UTF8, 0, in, -1, out, outLen-1);
 
@@ -1238,8 +1402,7 @@ FILE_SCOPE bool dqn_win32_utf8_to_wchar_internal(char *in, wchar_t *out,
 	return true;
 }
 
-FILE_SCOPE bool dqn_win32_wchar_to_utf8_internal(wchar_t *in, char *out,
+DQN_FILE_SCOPE bool dqn_win32_wchar_to_utf8(wchar_t *in, char *out, i32 outLen)
-                                                  i32 outLen)
 {
 	u32 result =
 	    WideCharToMultiByte(CP_UTF8, 0, in, -1, out, outLen, NULL, NULL);
@@ -1260,8 +1423,7 @@ DQN_FILE_SCOPE bool dqn_file_open(char *const path, DqnFile *file)
 
 #ifdef DQN_WIN32
 	wchar_t widePath[MAX_PATH] = {};
-	dqn_win32_utf8_to_wchar_internal(path, widePath,
+	dqn_win32_utf8_to_wchar(path, widePath, DQN_ARRAY_COUNT(widePath));
-	                                  DQN_ARRAY_COUNT(widePath));
 
 	HANDLE handle = CreateFileW(widePath, GENERIC_READ | GENERIC_WRITE, 0, NULL,
 	                            OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
@@ -1333,7 +1495,7 @@ DQN_FILE_SCOPE char **dqn_dir_read(char *dir, u32 *numFiles)
 
 	u32 currNumFiles = 0;
 	wchar_t wideDir[MAX_PATH] = {};
-	dqn_win32_utf8_to_wchar_internal(dir, wideDir, DQN_ARRAY_COUNT(wideDir));
+	dqn_win32_utf8_to_wchar(dir, wideDir, DQN_ARRAY_COUNT(wideDir));
 
 	// Enumerate number of files first
 	{
@@ -1388,8 +1550,8 @@ DQN_FILE_SCOPE char **dqn_dir_read(char *dir, u32 *numFiles)
 		WIN32_FIND_DATAW findData = {};
 		while (FindNextFileW(findHandle, &findData) != 0)
 		{
-			dqn_win32_wchar_to_utf8_internal(
+			dqn_win32_wchar_to_utf8(findData.cFileName, list[listIndex++],
-			    findData.cFileName, list[listIndex++], MAX_PATH);
+			                        MAX_PATH);
 		}
 
 		*numFiles = currNumFiles;
@@ -1430,9 +1592,9 @@ inline FILE_SCOPE f64 dqn_win32_query_perf_counter_time_in_s_internal()
 	LARGE_INTEGER qpcResult;
 	QueryPerformanceCounter(&qpcResult);
 
-	// Convert to seconds
+	// Convert to ms
 	f64 timestamp =
-	    (f64)(qpcResult.QuadPart / queryPerformanceFrequency.QuadPart);
+	    qpcResult.QuadPart / (f64)queryPerformanceFrequency.QuadPart;
 	return timestamp;
 }
 #endif

dqn_unit_test.cpp

@@ -561,24 +561,19 @@ void dqn_darray_test()
 		// Test basic insert
 		{
 			DqnV2 va = dqn_v2(5, 10);
-			DQN_ASSERT(DQN_DARRAY_PUSH(&vecDArray, &va));
+			DQN_DARRAY_PUSH(&vecDArray, va);
 
 			DqnV2 vb = vecDArray[0];
 			DQN_ASSERT(dqn_v2_equals(va, vb));
 
 			DQN_ASSERT(dqn_darray_get_capacity(vecDArray) == 1);
 			DQN_ASSERT(dqn_darray_get_num_items(vecDArray) == 1);
-
-			DqnV2 *empty = NULL;
-			DQN_ASSERT(DQN_DARRAY_PUSH(NULL, empty) == false);
-			DQN_ASSERT(DQN_DARRAY_PUSH(NULL, &va) == false);
-			DQN_ASSERT(DQN_DARRAY_PUSH(&vecDArray, empty) == false);
 		}
 
 		// Test array resizing and freeing
 		{
 			DqnV2 va = dqn_v2(10, 15);
-			DQN_DARRAY_PUSH(&vecDArray, &va);
+			DQN_DARRAY_PUSH(&vecDArray, va);
 
 			DqnV2 vb = vecDArray[0];
 			DQN_ASSERT(dqn_v2_equals(va, vb) == false);
@@ -589,44 +584,44 @@ void dqn_darray_test()
 			DQN_ASSERT(dqn_darray_get_capacity(vecDArray) == 2);
 			DQN_ASSERT(dqn_darray_get_num_items(vecDArray) == 2);
 
-			DQN_DARRAY_PUSH(&vecDArray, &va);
+			DQN_DARRAY_PUSH(&vecDArray, va);
 			DQN_ASSERT(dqn_darray_get_capacity(vecDArray) == 3);
 			DQN_ASSERT(dqn_darray_get_num_items(vecDArray) == 3);
 
-			DQN_DARRAY_PUSH(&vecDArray, &va);
+			DQN_DARRAY_PUSH(&vecDArray, va);
 			DQN_ASSERT(dqn_darray_get_capacity(vecDArray) == 4);
 			DQN_ASSERT(dqn_darray_get_num_items(vecDArray) == 4);
 
-			DQN_DARRAY_PUSH(&vecDArray, &va);
+			DQN_DARRAY_PUSH(&vecDArray, va);
 			DQN_ASSERT(dqn_darray_get_capacity(vecDArray) == 5);
 			DQN_ASSERT(dqn_darray_get_num_items(vecDArray) == 5);
 
-			DQN_DARRAY_PUSH(&vecDArray, &va);
+			DQN_DARRAY_PUSH(&vecDArray, va);
 			DQN_ASSERT(dqn_darray_get_capacity(vecDArray) == 6);
 			DQN_ASSERT(dqn_darray_get_num_items(vecDArray) == 6);
 
-			DQN_DARRAY_PUSH(&vecDArray, &va);
+			DQN_DARRAY_PUSH(&vecDArray, va);
 			DQN_ASSERT(dqn_darray_get_capacity(vecDArray) == 7);
 			DQN_ASSERT(dqn_darray_get_num_items(vecDArray) == 7);
 
-			DQN_DARRAY_PUSH(&vecDArray, &va);
+			DQN_DARRAY_PUSH(&vecDArray, va);
 			DQN_ASSERT(dqn_darray_get_capacity(vecDArray) == 8);
 			DQN_ASSERT(dqn_darray_get_num_items(vecDArray) == 8);
 
-			DQN_DARRAY_PUSH(&vecDArray, &va);
+			DQN_DARRAY_PUSH(&vecDArray, va);
 			DQN_ASSERT(dqn_darray_get_capacity(vecDArray) == 9);
 			DQN_ASSERT(dqn_darray_get_num_items(vecDArray) == 9);
 
-			DQN_DARRAY_PUSH(&vecDArray, &va);
+			DQN_DARRAY_PUSH(&vecDArray, va);
 			DQN_ASSERT(dqn_darray_get_capacity(vecDArray) == 10);
 			DQN_ASSERT(dqn_darray_get_num_items(vecDArray) == 10);
 
-			DQN_DARRAY_PUSH(&vecDArray, &va);
+			DQN_DARRAY_PUSH(&vecDArray, va);
 			DQN_ASSERT(dqn_darray_get_capacity(vecDArray) == 12);
 			DQN_ASSERT(dqn_darray_get_num_items(vecDArray) == 11);
 
 			DqnV2 vc = dqn_v2(90, 100);
-			DQN_DARRAY_PUSH(&vecDArray, &vc);
+			DQN_DARRAY_PUSH(&vecDArray, vc);
 			DQN_ASSERT(dqn_darray_get_capacity(vecDArray) == 12);
 			DQN_ASSERT(dqn_darray_get_num_items(vecDArray) == 12);
 			DQN_ASSERT(dqn_v2_equals(vc, vecDArray[11]));
@@ -641,11 +636,101 @@ void dqn_darray_test()
 		DQN_ASSERT(dqn_darray_get_capacity(array) == 1);
 		DQN_ASSERT(dqn_darray_get_num_items(array) == 0);
 
-		f32 *empty = NULL;
+		dqn_darray_free(array);
-		DQN_ASSERT(DQN_DARRAY_PUSH(NULL, empty) == false);
-		DQN_ASSERT(DQN_DARRAY_PUSH(&array, empty) == false);
 	}
 
+	{
+		DqnV2 a = dqn_v2(1, 2);
+		DqnV2 b = dqn_v2(3, 4);
+		DqnV2 c = dqn_v2(5, 6);
+		DqnV2 d = dqn_v2(7, 8);
+
+		DqnV2 *array = DQN_DARRAY_INIT(DqnV2, 16);
+		DQN_ASSERT(array);
+		DQN_ASSERT(dqn_darray_remove(array, 0) == false);
+		DQN_ASSERT(dqn_darray_get_capacity(array) == 16);
+		DQN_ASSERT(dqn_darray_get_num_items(array) == 0);
+
+		DQN_ASSERT(dqn_darray_clear(array));
+		DQN_ASSERT(dqn_darray_get_capacity(array) == 16);
+		DQN_ASSERT(dqn_darray_get_num_items(array) == 0);
+
+		DQN_DARRAY_PUSH(&array, a);
+		DQN_DARRAY_PUSH(&array, b);
+		DQN_DARRAY_PUSH(&array, c);
+		DQN_DARRAY_PUSH(&array, d);
+		DQN_ASSERT(dqn_darray_get_capacity(array) == 16);
+		DQN_ASSERT(dqn_darray_get_num_items(array) == 4);
+
+		DQN_ASSERT(dqn_darray_remove(array, 0));
+		DQN_ASSERT(dqn_v2_equals(array[0], d));
+		DQN_ASSERT(dqn_v2_equals(array[1], b));
+		DQN_ASSERT(dqn_v2_equals(array[2], c));
+		DQN_ASSERT(dqn_darray_get_capacity(array) == 16);
+		DQN_ASSERT(dqn_darray_get_num_items(array) == 3);
+
+		DQN_ASSERT(dqn_darray_remove(array, 2));
+		DQN_ASSERT(dqn_v2_equals(array[0], d));
+		DQN_ASSERT(dqn_v2_equals(array[1], b));
+		DQN_ASSERT(dqn_darray_get_capacity(array) == 16);
+		DQN_ASSERT(dqn_darray_get_num_items(array) == 2);
+
+		DQN_ASSERT(dqn_darray_remove(array, 100) == false);
+		DQN_ASSERT(dqn_v2_equals(array[0], d));
+		DQN_ASSERT(dqn_v2_equals(array[1], b));
+		DQN_ASSERT(dqn_darray_get_capacity(array) == 16);
+		DQN_ASSERT(dqn_darray_get_num_items(array) == 2);
+
+		DQN_ASSERT(dqn_darray_clear(array));
+		DQN_ASSERT(dqn_darray_get_capacity(array) == 16);
+		DQN_ASSERT(dqn_darray_get_num_items(array) == 0);
+
+		dqn_darray_free(array);
+	}
+
+	{
+		DqnV2 a = dqn_v2(1, 2);
+		DqnV2 b = dqn_v2(3, 4);
+		DqnV2 c = dqn_v2(5, 6);
+		DqnV2 d = dqn_v2(7, 8);
+
+		DqnV2 *array = DQN_DARRAY_INIT(DqnV2, 16);
+		DQN_ASSERT(array);
+
+		DQN_DARRAY_PUSH(&array, a);
+		DQN_DARRAY_PUSH(&array, b);
+		DQN_DARRAY_PUSH(&array, c);
+		DQN_DARRAY_PUSH(&array, d);
+		DQN_ASSERT(dqn_darray_get_capacity(array) == 16);
+		DQN_ASSERT(dqn_darray_get_num_items(array) == 4);
+
+		dqn_darray_remove_stable(array, 0);
+		DQN_ASSERT(dqn_v2_equals(array[0], b));
+		DQN_ASSERT(dqn_v2_equals(array[1], c));
+		DQN_ASSERT(dqn_v2_equals(array[2], d));
+		DQN_ASSERT(dqn_darray_get_capacity(array) == 16);
+		DQN_ASSERT(dqn_darray_get_num_items(array) == 3);
+
+		dqn_darray_remove_stable(array, 1);
+		DQN_ASSERT(dqn_v2_equals(array[0], b));
+		DQN_ASSERT(dqn_v2_equals(array[1], d));
+		DQN_ASSERT(dqn_darray_get_capacity(array) == 16);
+		DQN_ASSERT(dqn_darray_get_num_items(array) == 2);
+
+		dqn_darray_remove_stable(array, 1);
+		DQN_ASSERT(dqn_v2_equals(array[0], b));
+		DQN_ASSERT(dqn_darray_get_capacity(array) == 16);
+		DQN_ASSERT(dqn_darray_get_num_items(array) == 1);
+		dqn_darray_free(array);
+	}
+
+	{
+		DQN_ASSERT(dqn_darray_clear(NULL) == false);
+		DQN_ASSERT(dqn_darray_clear(NULL) == false);
+		DQN_ASSERT(dqn_darray_free(NULL) == false);
+	}
+
+
 	printf("dqn_darray_test(): Completed successfully\n");
 }
 

misc/dqn_unit_test.sln

@@ -21,7 +21,7 @@ Global
 		Release|x86 = Release|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{87785192-6F49-4F85-AA0D-F0AFA5CCCDDA}.Release|x86.ActiveCfg = Release
+		{87785192-6F49-4F85-AA0D-F0AFA5CCCDDA}.Release|x86.ActiveCfg = Release|x86
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE