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kernel32/tests: Add tests for tail checking on large heap blocks.

This commit is contained in:
Alexandre Julliard 2010-01-26 16:08:49 +01:00
parent bf975d1f85
commit 356b06faea
1 changed files with 46 additions and 1 deletions
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47
dlls/kernel32/tests/heap.c
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@ -488,7 +488,7 @@ static void test_heap_checks( DWORD flags )
{
BYTE old, *p, *p2;
BOOL ret;
SIZE_T size;
SIZE_T size, large_size = 800 * 1024 + 37;
if (flags & HEAP_PAGE_ALLOCS) return; /* no tests for that case yet */
trace( "testing heap flags %08x\n", flags );
@ -595,6 +595,51 @@ static void test_heap_checks( DWORD flags )
ret = HeapValidate( GetProcessHeap(), 0, NULL );
ok( ret, "HeapValidate failed\n" );
}
/* now test large blocks */
p = HeapAlloc( GetProcessHeap(), 0, large_size );
ok( p != NULL, "HeapAlloc failed\n" );
ret = HeapValidate( GetProcessHeap(), 0, p );
ok( ret, "HeapValidate failed\n" );
size = HeapSize( GetProcessHeap(), 0, p );
ok( size == large_size, "Wrong size %lu\n", size );
ok( p[large_size - 2] == 0, "wrong data %x\n", p[large_size - 2] );
ok( p[large_size - 1] == 0, "wrong data %x\n", p[large_size - 1] );
if (flags & HEAP_TAIL_CHECKING_ENABLED)
{
/* Windows doesn't do tail checking on large blocks */
ok( p[large_size] == 0xab || broken(p[large_size] == 0), "wrong data %x\n", p[large_size] );
ok( p[large_size+1] == 0xab || broken(p[large_size+1] == 0), "wrong data %x\n", p[large_size+1] );
ok( p[large_size+2] == 0xab || broken(p[large_size+2] == 0), "wrong data %x\n", p[large_size+2] );
if (p[large_size] == 0xab)
{
p[large_size] = 0xcc;
ret = HeapValidate( GetProcessHeap(), 0, p );
ok( !ret, "HeapValidate succeeded\n" );
/* other calls only check when HEAP_VALIDATE is set */
if (flags & HEAP_VALIDATE)
{
size = HeapSize( GetProcessHeap(), 0, p );
ok( size == ~(SIZE_T)0, "Wrong size %lu\n", size );
p2 = HeapReAlloc( GetProcessHeap(), 0, p, large_size - 3 );
ok( p2 == NULL, "HeapReAlloc succeeded\n" );
ret = HeapFree( GetProcessHeap(), 0, p );
ok( !ret, "HeapFree succeeded\n" );
}
p[large_size] = 0xab;
}
}
ret = HeapFree( GetProcessHeap(), 0, p );
ok( ret, "HeapFree failed\n" );
}
static void test_debug_heap( const char *argv0, DWORD flags )