static void test_block_alloc(
int free_variant,
int alloc_variant,
uintptr_t alloc_begin,
uintptr_t alloc_size
)
{
void *p1 = NULL;
void *p2 = NULL;
void *p3 = NULL;
uintptr_t size_fresh_heap = 0;
uintptr_t pages_per_default_block = 0;
uint32_t exp_free_pages = 0;
uint32_t exp_free_blocks = 0;
uint32_t exp_used_blocks = 0;
test_heap_init( TEST_DEFAULT_PAGE_SIZE );
size_fresh_heap = _Heap_Get_size( &TestHeap );
exp_free_pages = size_fresh_heap / TestHeap.page_size;
p1 = test_create_used_block();
p2 = test_create_used_block();
p3 = test_create_used_block();
pages_per_default_block = _Heap_Block_size(
_Heap_Block_of_alloc_area( (uintptr_t) p1, TestHeap.page_size )
) / TestHeap.page_size;
if (free_variant == 1) {
test_free( p1 );
} else if (free_variant == 2) {
test_free( p3 );
} else if (free_variant == 3) {
test_free( p2 );
test_free( p3 );
}
_Heap_Block_allocate(
&TestHeap,
_Heap_Block_of_alloc_area( (uintptr_t) p2, test_page_size()),
alloc_begin,
alloc_size
);
test_check_alloc_simple( (void *) alloc_begin, alloc_size, 0, 0 );
/* check statistics */
switch( free_variant ) {
case 1:
exp_free_pages = exp_free_pages - 2 * pages_per_default_block;
exp_used_blocks = 2;
switch( alloc_variant ) {
case 1:
/* allocate block full space */
exp_free_blocks = 2;
break;
case 2:
/* allocate block in the middle */
exp_free_pages = exp_free_pages + pages_per_default_block - 1;
exp_free_blocks = 3;
break;
case 3:
/* allocate block at the end */
exp_free_pages = exp_free_pages + pages_per_default_block - 2;
exp_free_blocks = 2;
break;
default:
/* allocate block at the beginning */
exp_free_pages = exp_free_pages + pages_per_default_block - 1;
exp_free_blocks = 3;
break;
}
break;
case 2:
exp_free_pages = exp_free_pages - 2 * pages_per_default_block;
exp_used_blocks = 2;
switch( alloc_variant ) {
case 1:
/* allocate block full space */
exp_free_blocks = 1;
break;
case 2:
/* allocate block in the middle */
exp_free_pages = exp_free_pages + pages_per_default_block - 1;
exp_free_blocks = 2;
break;
case 3:
/* allocate block at the end */
exp_free_pages = exp_free_pages + pages_per_default_block - 1;
exp_free_blocks = 2;
break;
default:
/* allocate block at the beginning */
exp_free_pages = exp_free_pages + pages_per_default_block - 1;
exp_free_blocks = 1;
break;
}
break;
case 3:
exp_free_pages = exp_free_pages - pages_per_default_block;
exp_used_blocks = 2;
switch( alloc_variant ) {
case 1:
/* allocate block full space */
exp_free_pages = exp_free_pages - pages_per_default_block;
exp_free_blocks = 1;
break;
case 2:
/* allocate block in the middle */
exp_free_pages = exp_free_pages - 1;
exp_free_blocks = 2;
break;
case 3:
/* allocate block at the end */
exp_free_pages = exp_free_pages - 2;
exp_free_blocks = 2;
break;
default:
/* allocate block at the beginning */
exp_free_pages = exp_free_pages - 1;
exp_free_blocks = 1;
break;
}
break;
default:
exp_free_pages = exp_free_pages - 3 * pages_per_default_block;
exp_used_blocks = 3;
switch( alloc_variant ) {
case 1:
/* allocate block full space */
exp_free_blocks = 1;
break;
case 2:
/* allocate block in the middle */
exp_free_blocks = 3;
exp_free_pages = exp_free_pages + pages_per_default_block - 1;
break;
case 3:
/* allocate block at the end */
exp_free_blocks = 2;
exp_free_pages = exp_free_pages + pages_per_default_block - 1;
break;
default:
/* allocate block at the beginning */
exp_free_blocks = 2;
exp_free_pages = exp_free_pages + pages_per_default_block - 1;
}
}
rtems_test_assert( TestHeap.stats.free_size == exp_free_pages * TestHeap.page_size );
rtems_test_assert( TestHeap.stats.free_blocks == exp_free_blocks );
rtems_test_assert( TestHeap.stats.used_blocks == exp_used_blocks );
}
uintptr_t _Protected_heap_Get_size(
Heap_Control *the_heap
)
{
return _Heap_Get_size( the_heap );
}
