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Diffstat (limited to 'tests/New_Fail_Test.cpp')
| -rw-r--r-- | tests/New_Fail_Test.cpp | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/tests/New_Fail_Test.cpp b/tests/New_Fail_Test.cpp deleted file mode 100644 index bec580eda47..00000000000 --- a/tests/New_Fail_Test.cpp +++ /dev/null @@ -1,159 +0,0 @@ -// $Id$ -// -// ============================================================================ -// -// = LIBRARY -// tests -// -// = FILENAME -// New_Fail_Test.cpp -// -// = DESCRIPTION -// Checks to be sure that a failed ACE_NEW[_RETURN] doesn't end up throwing -// an exception up to the caller. -// -// Note that this test doesn't get a real attempt on platforms which: -// 1. Are known to throw exceptions when 'new' runs out of resources, -// 2. Are built with exceptions disabled. -// In these cases, the test puts a message in the log noting that a failed -// new will throw an exception, and trust that the user accepts that risk. -// -// = AUTHOR -// Steve Huston -// -// ============================================================================ - -#include "test_config.h" -#include "ace/Log_Msg.h" -#include "ace/OS.h" -#include "ace/CORBA_macros.h" - -ACE_RCSID(tests, New_Fail_Test, "$Id$") - -#if defined(__BORLANDC__) && __BORLANDC__ >= 0x0530 -USELIB("..\ace\aced.lib"); -//--------------------------------------------------------------------------- -#endif /* defined(__BORLANDC__) && __BORLANDC__ >= 0x0530 */ - - -// This test allocates all of the heap memory, forcing 'new' to fail because -// of a lack of memory. The ACE_NEW macros should prevent an exception from -// being thrown past the ACE_NEW. If this test doesn't wipe out on an alloc -// exception, it passes. -// -// If it doesn't ever fail an allocation, there's a warning that something is -// wrong. The allocated memory is always freed to avoid masking a leak -// somewhere else in the test. -static const int BIG_BLOCK = 1024*1024; // 1MB -static const int MAX_ALLOCS_IN_TEST = 4096; // about 4GB max in the test - - -static void try_ace_new (char **p) -{ - ACE_NEW (*p, char[BIG_BLOCK]); - return; -} - - -static char * try_ace_new_return (void) -{ - char *p; - ACE_NEW_RETURN (p, char[BIG_BLOCK], 0); - return p; -} - - -int -main (int, ASYS_TCHAR *[]) -{ - ACE_START_TEST (ASYS_TEXT ("New_Fail_Test")); - int status = 0; - - // Some platforms are known to throw an exception on a failed 'new', but - // are customarily built without exception support to improve performance. - // These platforms are noted, and the test passes. - // For new ports, it is wise to let this test run. Depending on intended - // conditions, exceptions can be disabled when the port is complete. -#if (defined (__SUNPRO_CC) || defined (__GNUG__)) && \ - !defined (ACE_HAS_EXCEPTIONS) - ACE_DEBUG ((LM_NOTICE, "Out-of-memory will throw an unhandled exception\n")); - ACE_DEBUG ((LM_NOTICE, "Rebuild with exceptions=1 to prevent this, but it may impair performance.\n")); - - // Use the static function addresses, to prevent warnings about the - // functions not being used. - if (&try_ace_new) /* null */; - if (&try_ace_new_return) /* null */; -#else - - char *blocks[MAX_ALLOCS_IN_TEST]; - int i; - -#if defined (ACE_HAS_EXCEPTIONS) - try - { -#endif /* ACE_HAS_EXCEPTIONS */ - // First part: test ACE_NEW - for (i = 0; i < MAX_ALLOCS_IN_TEST; i++) - { - try_ace_new (&blocks[i]); - if (blocks[i] == 0) - break; - } - if (i == MAX_ALLOCS_IN_TEST) - { - ACE_ERROR((LM_WARNING, - "Test didn't exhaust all available memory\n")); - --i; // Back up to valid pointer for deleting - } - else - { - ACE_ASSERT (blocks[i] == 0); - ACE_ASSERT (errno == ENOMEM); - ACE_DEBUG((LM_DEBUG, "ACE_NEW failed properly at block %d\n", i)); - } - - // Free the memory to try ACE_NEW_RETURN - while (i >= 0) - delete [] blocks[i--]; - - // Second part: test ACE_NEW_RETURN - for (i = 0; i < MAX_ALLOCS_IN_TEST; i++) - { - blocks[i] = try_ace_new_return (); - if (blocks[i] == 0) - break; - } - if (i == MAX_ALLOCS_IN_TEST) - { - ACE_ERROR((LM_WARNING, - "Test didn't exhaust all available memory\n")); - --i; // Back up to valid pointer - } - else - { - ACE_ASSERT (blocks[i] == 0); - ACE_ASSERT (errno == ENOMEM); - ACE_DEBUG ((LM_DEBUG, "ACE_NEW_RETURN failed properly at block %d\n", - i)); - } - while (i >= 0) - delete [] blocks[i--]; - -#if defined (ACE_HAS_EXCEPTIONS) - } - - catch (...) - { - ACE_ERROR ((LM_ERROR, - "Caught exception during test; " - "ACE_bad_alloc not defined correctly, or\n")); - ACE_ERROR ((LM_ERROR, - "ACE_NEW_THROWS_EXCEPTIONS is not #defined (and should be).\n")); - status = 1; // Mark test failure - } -#endif /* ACE_HAS_EXCEPTIONS */ -#endif /* __SUNPRO_CC && !ACE_HAS_EXCEPTIONS */ - - ACE_END_TEST; - return status; -} |