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Remove default mem buffer api

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This commit is contained in:
Doyle Thai
2017-05-08 18:57:47 +10:00
parent 00cae20654
commit c47748c168
2 changed files with 66 additions and 350 deletions
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dqn_unit_test.cpp
+1 -127
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@@ -843,132 +843,6 @@ void ArrayTest()
{
DqnArray<DqnV2> array = {};
ArrayTestMemAPIInternal(&array, DqnMemAPI_DefaultUseCalloc());
DqnMemBuffer largeEnoughBuffer = {};
{
size_t size = DQN_MEGABYTE(1);
// Empty buffer
{
DqnMemBuffer_Init(&largeEnoughBuffer, size, false);
ArrayTestMemAPIInternal(
&array, DqnMemAPI_DefaultUseMemBuffer(&largeEnoughBuffer));
DqnMemBuffer_Free(&largeEnoughBuffer);
}
// Allocate data to buffer, and cause realloc to have to create a new
// block
{
DqnMemBuffer_Init(&largeEnoughBuffer, size, false);
size_t usedSize = (size_t)(size * 0.5f);
u8 *usedData =
(u8 *)DqnMemBuffer_Allocate(&largeEnoughBuffer, usedSize);
for (u32 i = 0; i < usedSize; i++)
usedData[i] = 'a';
ArrayTestMemAPIInternal(
&array, DqnMemAPI_DefaultUseMemBuffer(&largeEnoughBuffer));
DqnMemBuffer_Free(&largeEnoughBuffer);
}
}
DqnMemBuffer smallBuffer = {};
{
size_t size = 8;
// Empty small buffer
{
DqnMemBuffer_Init(&smallBuffer, size, false);
ArrayTestMemAPIInternal(
&array, DqnMemAPI_DefaultUseMemBuffer(&smallBuffer));
DqnMemBuffer_Free(&smallBuffer);
}
// Allocate data to buffer, force realloc to have to create a new block
{
DqnMemBuffer_Init(&smallBuffer, size, false);
size_t usedSize = (size_t)(size * 0.5f);
u8 *usedData = (u8 *)DqnMemBuffer_Allocate(&smallBuffer, usedSize);
for (u32 i = 0; i < usedSize; i++)
usedData[i] = 'a';
ArrayTestMemAPIInternal(
&array, DqnMemAPI_DefaultUseMemBuffer(&smallBuffer));
DqnMemBuffer_Free(&smallBuffer);
}
}
// TODO(doyle): Doesn't work for now since after freeing a fixed size
// buffer, it becomes useless as the not set Is_Expandable flag blocks any
// further allocations.
#if 0
DqnMemBuffer largeFixedSizeBuffer = {};
DqnMemBuffer_InitWithFixedSize(&largeFixedSizeBuffer, DQN_MEGABYTE(1), false);
ArrayTestMemAPIInternal(&array, DqnMemAPI_DefaultUseMemBuffer(&largeFixedSizeBuffer));
DqnMemBuffer_Free(&largeFixedSizeBuffer);
#endif
{
DqnMemBuffer smallFixedSizeBuffer = {};
DqnMemBuffer_InitWithFixedSize(&smallFixedSizeBuffer, 8, false);
DQN_ASSERT(DqnArray_Init(&array, 1, DqnMemAPI_DefaultUseMemBuffer(&smallFixedSizeBuffer)));
DQN_ASSERT(array.capacity == 1);
DQN_ASSERT(array.count == 0);
// Fill the only slot in the array
DqnV2 a = DqnV2_2f(1, 2);
DQN_ASSERT(DqnArray_Push(&array, a));
DQN_ASSERT(array.count == 1);
// Try push another, but it should fail since it's a fixed size buffer.
// The realloc that occurs in push should also fail.
DQN_ASSERT(!DqnArray_Push(&array, a));
DQN_ASSERT(array.count == 1);
DQN_ASSERT(smallFixedSizeBuffer.block->prevBlock == NULL);
DQN_ASSERT(smallFixedSizeBuffer.block->used == 8);
DQN_ASSERT(smallFixedSizeBuffer.block->size == 8);
DQN_ASSERT(DqnArray_Free(&array));
DqnMemBuffer_Free(&smallFixedSizeBuffer);
}
#if 0
{
u8 largeFixedMem[DQN_KILOBYTE(1)] = {};
DqnMemBuffer largeFixedMemBuffer = {};
DqnMemBuffer_InitWithFixedMem(&largeFixedMemBuffer, largeFixedMem,
DQN_ARRAY_COUNT(largeFixedMem));
ArrayTestMemAPIInternal(
&array, DqnMemAPI_DefaultUseMemBuffer(&largeFixedMemBuffer));
}
#endif
{
u8 smallFixedMem[sizeof(DqnMemBufferBlock) + 8] = {};
DqnMemBuffer smallFixedMemBuffer = {};
DqnMemBuffer_InitWithFixedMem(&smallFixedMemBuffer, smallFixedMem,
DQN_ARRAY_COUNT(smallFixedMem));
DQN_ASSERT(DqnArray_Init(&array, 1, DqnMemAPI_DefaultUseMemBuffer(&smallFixedMemBuffer)));
DQN_ASSERT(array.capacity == 1);
DQN_ASSERT(array.count == 0);
// Fill the only slot in the array
DqnV2 a = DqnV2_2f(1, 2);
DQN_ASSERT(DqnArray_Push(&array, a));
DQN_ASSERT(array.count == 1);
// Try push another, but it should fail since it's a fixed mem buffer.
// The realloc that occurs in push should also fail.
DQN_ASSERT(!DqnArray_Push(&array, a));
DQN_ASSERT(array.count == 1);
DQN_ASSERT(smallFixedMemBuffer.block->prevBlock == NULL);
DQN_ASSERT(smallFixedMemBuffer.block->used == 8);
DQN_ASSERT(smallFixedMemBuffer.block->size == 8);
DQN_ASSERT(DqnArray_Free(&array));
}
printf("ArrayTest(): Completed successfully\n");
}
@@ -1231,7 +1105,7 @@ void MemBufferTest()
// General Check buffer struct contains the values we expect from
// initialisation
DQN_ASSERT(buffer.flags & DqnMemBufferFlag_IsExpandable);
DQN_ASSERT(buffer.flags == 0);
DQN_ASSERT(buffer.tempBufferCount == 0);
DQN_ASSERT(buffer.byteAlign == ALIGNMENT);
DQN_ASSERT(buffer.block->size == firstBlockSize);