TAO/tests/Bug_3574_Regression/test.cpp

   1 #include "tao/StringSeqC.h"
   2
   3 #if defined (__BORLANDC__) && (__BORLANDC__ >= 0x660) && (__BORLANDC__ <= 0x760)
   4 #  pragma option push -w-8011
   5 #endif
   6
   7 int
   8 ACE_TMAIN (int, ACE_TCHAR *[])
   9 {
  10   char const *str = "Some string";
  11
  12   CORBA::StringSeq seq;
  13   seq.length (100);
  14   for (CORBA::ULong i = 0; i < seq.length (); ++i)
  15     {
  16       seq[i] = str;
  17     }
  18
  19   // Save a pointer to the whole buffer.
  20   char const * const *wholebuf = seq.get_buffer ();
  21
  22   // This call should reinitialize the the 100th element
  23   // (the fact that the shrunk elements are reinitialized is TAO
  24   // specific but we test for it).
  25   seq.length (99);
  26   // No reallocation should happen for the buffer.
  27   ACE_TEST_ASSERT (seq.get_buffer () == wholebuf);
  28   // And set the length to the same value
  29   seq.length (99);
  30   ACE_TEST_ASSERT (seq.get_buffer () == wholebuf);
  31   // We cannot be sure that the pointer to the reinitialized 100th
  32   // element is different from the old one since memory manager can
  33   // return the same pointer that we've just released but it must
  34   // not be 0 and it must be an empty string.
  35   ACE_TEST_ASSERT (wholebuf[99] != 0);
  36   ACE_TEST_ASSERT (ACE_OS::strcmp (wholebuf[99], "") == 0);
  37
  38   // Extend the sequence to the original size.
  39   seq.length (100);
  40   // No reallocation should happen for the buffer.
  41   ACE_TEST_ASSERT (seq.get_buffer () == wholebuf);
  42   // And now we can test absolutely legally that the 100th
  43   // element was reinitialized as CORBA spec requires.
  44   ACE_TEST_ASSERT (seq[99].in () != 0);
  45   ACE_TEST_ASSERT (ACE_OS::strcmp (seq[99].in (), "") == 0);
  46   seq.length (101);
  47   // Reallocation should happen for the buffer.
  48   ACE_TEST_ASSERT (seq.get_buffer () != wholebuf);
  49   ACE_TEST_ASSERT (seq[100].in () != 0);
  50   ACE_TEST_ASSERT (ACE_OS::strcmp (seq[100].in (), "") == 0);
  51
  52   return 0;
  53 }
  54
  55 #if defined (__BORLANDC__) && (__BORLANDC__ >= 0x660) && (__BORLANDC__ <= 0x760)
  56 # pragma option pop
  57 #endif