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kernel32/tests: Add some heap block layout tests. 

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Rémi Bernon 2022-04-20 12:07:59 +02:00 committed by Alexandre Julliard
parent f3b77b8027
commit 3757a8f1ab
1 changed files with 123 additions and 0 deletions
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123
dlls/kernel32/tests/heap.c
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@ -37,6 +37,9 @@
#define HEAP_VALIDATE_ALL 0x20000000
#define HEAP_VALIDATE_PARAMS 0x40000000
#define BLOCK_ALIGN (2 * sizeof(void *) - 1)
#define ALIGN_BLOCK_SIZE(x) (((x) + BLOCK_ALIGN) & ~BLOCK_ALIGN)
/* use function pointers to avoid warnings for invalid parameter tests */
static LPVOID (WINAPI *pHeapAlloc)(HANDLE,DWORD,SIZE_T);
static LPVOID (WINAPI *pHeapReAlloc)(HANDLE,DWORD,LPVOID,SIZE_T);
@ -1729,6 +1732,125 @@ static void test_LocalAlloc(void)
}
}
static void test_block_layout( HANDLE heap, DWORD global_flags, DWORD heap_flags )
{
DWORD padd_flags = HEAP_VALIDATE | HEAP_VALIDATE_ALL | HEAP_VALIDATE_PARAMS;
SIZE_T expect_size, alloc_size, extra_size, tail_size = 0;
unsigned char *ptr0, *ptr1, *ptr2;
char tail_buf[64];
BOOL ret;
if (global_flags & (FLG_HEAP_DISABLE_COALESCING|FLG_HEAP_PAGE_ALLOCS|FLG_POOL_ENABLE_TAGGING|
FLG_HEAP_ENABLE_TAGGING|FLG_HEAP_ENABLE_TAG_BY_DLL))
{
skip( "skipping not yet implemented block layout tests\n" );
return;
}
if (!global_flags) extra_size = 8;
else extra_size = 2 * sizeof(void *);
if (heap_flags & HEAP_TAIL_CHECKING_ENABLED) extra_size += 2 * sizeof(void *);
if (heap_flags & padd_flags) extra_size += 2 * sizeof(void *);
if ((heap_flags & HEAP_TAIL_CHECKING_ENABLED)) tail_size = 2 * sizeof(void *);
memset( tail_buf, 0xab, sizeof(tail_buf) );
for (alloc_size = 0x20000 * sizeof(void *) - 0x3000; alloc_size > 0; alloc_size >>= 1)
{
winetest_push_context( "size %#Ix", alloc_size );
ptr0 = pHeapAlloc( heap, HEAP_ZERO_MEMORY, alloc_size );
ok( !!ptr0, "HeapAlloc failed, error %lu\n", GetLastError() );
ptr1 = pHeapAlloc( heap, HEAP_ZERO_MEMORY, alloc_size );
ok( !!ptr1, "HeapAlloc failed, error %lu\n", GetLastError() );
ptr2 = pHeapAlloc( heap, HEAP_ZERO_MEMORY, alloc_size );
ok( !!ptr2, "HeapAlloc failed, error %lu\n", GetLastError() );
ok( !((UINT_PTR)ptr0 & (2 * sizeof(void *) - 1)), "got unexpected ptr align\n" );
ok( !((UINT_PTR)ptr1 & (2 * sizeof(void *) - 1)), "got unexpected ptr align\n" );
ok( !((UINT_PTR)ptr2 & (2 * sizeof(void *) - 1)), "got unexpected ptr align\n" );
expect_size = max( alloc_size, 2 * sizeof(void *) );
expect_size = ALIGN_BLOCK_SIZE( expect_size + extra_size );
todo_wine_if( heap_flags & (HEAP_VALIDATE_PARAMS|HEAP_VALIDATE_ALL) ||
min( llabs( ptr2 - ptr1 ), llabs( ptr1 - ptr0 ) ) != expect_size )
ok( min( llabs( ptr2 - ptr1 ), llabs( ptr1 - ptr0 ) ) == expect_size, "got diff %#I64x\n",
min( llabs( ptr2 - ptr1 ), llabs( ptr1 - ptr0 ) ) );
ok( !memcmp( ptr0 + alloc_size, tail_buf, tail_size ), "missing block tail\n" );
ok( !memcmp( ptr1 + alloc_size, tail_buf, tail_size ), "missing block tail\n" );
ok( !memcmp( ptr2 + alloc_size, tail_buf, tail_size ), "missing block tail\n" );
ret = HeapFree( heap, 0, ptr2 );
ok( ret, "HeapFree failed, error %lu\n", GetLastError() );
ret = HeapFree( heap, 0, ptr1 );
ok( ret, "HeapFree failed, error %lu\n", GetLastError() );
ret = HeapFree( heap, 0, ptr0 );
ok( ret, "HeapFree failed, error %lu\n", GetLastError() );
winetest_pop_context();
}
/* between the two thesholds, tail may still be set but block position is inconsistent */
alloc_size = 0x20000 * sizeof(void *) - 0x2000;
winetest_push_context( "size %#Ix", alloc_size );
ptr0 = pHeapAlloc( heap, HEAP_ZERO_MEMORY, alloc_size );
ok( !!ptr0, "HeapAlloc failed, error %lu\n", GetLastError() );
ok( !((UINT_PTR)ptr0 & (2 * sizeof(void *) - 1)), "got unexpected ptr align\n" );
ok( !memcmp( ptr0 + alloc_size, tail_buf, tail_size ), "missing block tail\n" );
ret = HeapFree( heap, 0, ptr0 );
ok( ret, "HeapFree failed, error %lu\n", GetLastError() );
winetest_pop_context();
for (alloc_size = 0x20000 * sizeof(void *) - 0x1000; alloc_size < 0x800000; alloc_size <<= 1)
{
winetest_push_context( "size %#Ix", alloc_size );
ptr0 = pHeapAlloc( heap, HEAP_ZERO_MEMORY, alloc_size );
ok( !!ptr0, "HeapAlloc failed, error %lu\n", GetLastError() );
ptr1 = pHeapAlloc( heap, 0, alloc_size );
ok( !!ptr1, "HeapAlloc failed, error %lu\n", GetLastError() );
ptr2 = pHeapAlloc( heap, 0, alloc_size );
ok( !!ptr2, "HeapAlloc failed, error %lu\n", GetLastError() );
todo_wine_if( sizeof(void *) == 8 || alloc_size == 0x7efe9 )
ok( !((UINT_PTR)ptr0 & (8 * sizeof(void *) - 1)), "got unexpected ptr align\n" );
todo_wine_if( sizeof(void *) == 8 || alloc_size == 0x7efe9 )
ok( !((UINT_PTR)ptr1 & (8 * sizeof(void *) - 1)), "got unexpected ptr align\n" );
todo_wine_if( sizeof(void *) == 8 || alloc_size == 0x7efe9 )
ok( !((UINT_PTR)ptr2 & (8 * sizeof(void *) - 1)), "got unexpected ptr align\n" );
expect_size = max( alloc_size, 2 * sizeof(void *) );
expect_size = ALIGN_BLOCK_SIZE( expect_size + extra_size );
todo_wine_if( alloc_size == 0x7efe9 )
ok( min( llabs( ptr2 - ptr1 ), llabs( ptr1 - ptr0 ) ) > expect_size, "got diff %#I64x\n",
min( llabs( ptr2 - ptr1 ), llabs( ptr1 - ptr0 ) ) );
todo_wine_if( heap_flags & HEAP_TAIL_CHECKING_ENABLED )
ok( !ptr0[alloc_size], "got block tail\n" );
todo_wine_if( heap_flags & HEAP_TAIL_CHECKING_ENABLED )
ok( !ptr1[alloc_size], "got block tail\n" );
todo_wine_if( heap_flags & HEAP_TAIL_CHECKING_ENABLED )
ok( !ptr2[alloc_size], "got block tail\n" );
ret = HeapFree( heap, 0, ptr2 );
ok( ret, "HeapFree failed, error %lu\n", GetLastError() );
ret = HeapFree( heap, 0, ptr1 );
ok( ret, "HeapFree failed, error %lu\n", GetLastError() );
ret = HeapFree( heap, 0, ptr0 );
ok( ret, "HeapFree failed, error %lu\n", GetLastError() );
winetest_pop_context();
}
}
static void test_heap_checks( DWORD flags )
{
BYTE old, *p, *p2;
@ -2043,6 +2165,7 @@ static void test_child_heap( const char *arg )
heap = HeapCreate( HEAP_NO_SERIALIZE, 0, 0 );
ok( heap != GetProcessHeap(), "got unexpected heap\n" );
test_heap_layout( heap, global_flags, heap_flags|HEAP_NO_SERIALIZE|HEAP_GROWABLE|HEAP_PRIVATE );
test_block_layout( heap, global_flags, heap_flags|HEAP_NO_SERIALIZE|HEAP_GROWABLE|HEAP_PRIVATE );
ret = HeapDestroy( heap );
ok( ret, "HeapDestroy failed, error %lu\n", GetLastError() );