void
Test_RtlFindSetBitsAndClear(void)
{
RTL_BITMAP BitMapHeader;
ULONG *Buffer;
Buffer = AllocateGuarded(2 * sizeof(*Buffer));
Buffer[0] = 0xF9F078B2;
Buffer[1] = 0x3F303F30;
RtlInitializeBitMap(&BitMapHeader, Buffer, 0);
ok_int(RtlFindSetBitsAndClear(&BitMapHeader, 0, 0), 0);
ok_int(RtlFindSetBitsAndClear(&BitMapHeader, 0, 3), 0);
ok_int(RtlFindSetBitsAndClear(&BitMapHeader, 1, 0), -1);
ok_int(RtlFindSetBitsAndClear(&BitMapHeader, 1, 1), -1);
ok_hex(Buffer[0], 0xF9F078B2);
Buffer[0] = 0xF9F078B2;
RtlInitializeBitMap(&BitMapHeader, Buffer, 8);
ok_int(RtlFindSetBitsAndClear(&BitMapHeader, 1, 0), 1);
ok_hex(Buffer[0], 0xf9f078b0);
ok_int(RtlFindSetBitsAndClear(&BitMapHeader, 1, 1), 4);
ok_hex(Buffer[0], 0xf9f078a0);
ok_int(RtlFindSetBitsAndClear(&BitMapHeader, 1, 2), 5);
ok_hex(Buffer[0], 0xf9f07880);
ok_int(RtlFindSetBitsAndClear(&BitMapHeader, 2, 0), -1);
ok_hex(Buffer[0], 0xf9f07880);
Buffer[0] = 0xF9F078B2;
RtlInitializeBitMap(&BitMapHeader, Buffer, 32);
ok_int(RtlFindSetBitsAndClear(&BitMapHeader, 4, 0), 11);
ok_hex(Buffer[0], 0xf9f000b2);
ok_int(RtlFindSetBitsAndClear(&BitMapHeader, 5, 0), 20);
ok_hex(Buffer[0], 0xf80000b2);
ok_int(RtlFindSetBitsAndClear(&BitMapHeader, 4, 11), 27);
ok_hex(Buffer[0], 0x800000b2);
Buffer[0] = 0xF9F078B2;
ok_int(RtlFindSetBitsAndClear(&BitMapHeader, 4, 12), 20);
ok_hex(Buffer[0], 0xf90078b2);
ok_int(RtlFindSetBitsAndClear(&BitMapHeader, 2, 11), 11);
ok_hex(Buffer[0], 0xf90060b2);
ok_int(RtlFindSetBitsAndClear(&BitMapHeader, 2, 12), 13);
ok_hex(Buffer[0], 0xf90000b2);
FreeGuarded(Buffer);
}
ULONG NtdllBitmap::FindSetBitsAndClear( ULONG number_to_find, ULONG hint_index )
{
assert(RtlFindSetBitsAndClear != NULL);
return RtlFindSetBitsAndClear(this, number_to_find, hint_index);
}
