1 files changed, 216 insertions, 0 deletions
diff --git a/ACE/tests/Atomic_Op_Test.cpp b/ACE/tests/Atomic_Op_Test.cpp
new file mode 100644
index 00000000000..310c12aa89e
--- /dev/null
+++ b/ACE/tests/Atomic_Op_Test.cpp
@@ -0,0 +1,216 @@
+// $Id$
+
+// ============================================================================
+//
+// = LIBRARY
+//    tests
+//
+// = FILENAME
+//    Atomic_Op_Test.cpp
+//
+// = DESCRIPTION
+//      This is a simple test of the Atomic Operations Class in ACE.
+//      On platforms like Win32, ACE uses template specialization to
+//      use native implementations provided by the OS to accelarate
+//      these operations.
+//
+// = AUTHOR
+//    Irfan Pyarali <irfan@cs.wustl.edu>
+//
+// ============================================================================
+
+#include "tests/test_config.h"
+
+ACE_RCSID(tests, Atomic_Op_Test, "$Id$")
+
+#if defined (ACE_HAS_THREADS)
+
+#include "ace/Atomic_Op.h"
+
+enum { TEST_ITERATIONS = 1000000 };
+
+int
+run_main (int, ACE_TCHAR *[])
+{
+  ACE_START_TEST (ACE_TEXT ("Atomic_Op_Test"));
+
+  ACE_Atomic_Op <ACE_Thread_Mutex, long> foo (5);
+
+  ACE_ASSERT (foo == 5);
+
+  long result = ++foo;
+  ACE_ASSERT (foo == 6);
+  ACE_ASSERT (result == 6);
+
+  result = --foo;
+  ACE_ASSERT (foo == 5);
+  ACE_ASSERT (result == 5);
+
+  result = foo++;
+  ACE_ASSERT (foo == 6);
+  ACE_ASSERT (result == 5);
+
+  result = foo--;
+  ACE_ASSERT (foo == 5);
+  ACE_ASSERT (result == 6);
+
+  result = foo += 10;
+  ACE_ASSERT (foo == 15);
+  ACE_ASSERT (result == 15);
+
+  result = foo -= 10;
+  ACE_ASSERT (foo == 5);
+  ACE_ASSERT (result == 5);
+
+  foo = 7;
+  ACE_ASSERT (foo == 7);
+
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Starting <long> assignment %D\n")));
+  int i;
+  for (i = 0; i < TEST_ITERATIONS; ++i)
+    {
+      foo = 1;
+      foo = 2;
+      foo = 3;
+      foo = 4;
+    }
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Ending <long> assignment %D\n")));
+
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Starting <long> increment %D\n")));
+  for (i = 0; i < TEST_ITERATIONS; ++i)
+    {
+      ++foo;
+      ++foo;
+      ++foo;
+      ++foo;
+    }
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Ending <long> increment %D\n")));
+
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Starting <long> decrement %D\n")));
+  for (i = 0; i < TEST_ITERATIONS; ++i)
+    {
+      --foo;
+      --foo;
+      --foo;
+      --foo;
+    }
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Ending <long> decrement %D\n")));
+
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Starting <long> addition %D\n")));
+  for (i = 0; i < TEST_ITERATIONS; ++i)
+    {
+      foo += 5;
+      foo += 5;
+      foo += 5;
+      foo += 5;
+    }
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Ending <long> addition %D\n")));
+
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Starting <long> subtraction %D\n")));
+  for (i = 0; i < TEST_ITERATIONS; ++i)
+    {
+      foo -= 5;
+      foo -= 5;
+      foo -= 5;
+      foo -= 5;
+    }
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Ending <long> subtraction %D\n")));
+
+  ACE_Atomic_Op <ACE_Thread_Mutex, int> bar (5);
+
+  ACE_ASSERT (bar == 5);
+
+  result = ++bar;
+  ACE_ASSERT (bar == 6);
+  ACE_ASSERT (result == 6);
+
+  result = --bar;
+  ACE_ASSERT (bar == 5);
+  ACE_ASSERT (result == 5);
+
+  result = bar++;
+  ACE_ASSERT (bar == 6);
+  ACE_ASSERT (result == 5);
+
+  result = bar--;
+  ACE_ASSERT (bar == 5);
+  ACE_ASSERT (result == 6);
+
+  result = bar += 10;
+  ACE_ASSERT (bar == 15);
+  ACE_ASSERT (result == 15);
+
+  result = bar -= 10;
+  ACE_ASSERT (bar == 5);
+  ACE_ASSERT (result == 5);
+
+  bar = 5L;
+  ACE_ASSERT (bar == 5);
+
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Starting <int> assignment %D\n")));
+  for (i = 0; i < TEST_ITERATIONS; ++i)
+    {
+      bar = 1;
+      bar = 2;
+      bar = 3;
+      bar = 4;
+    }
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Ending <int> assignment %D\n")));
+
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Starting <int> increment %D\n")));
+  for (i = 0; i < TEST_ITERATIONS; ++i)
+    {
+      ++bar;
+      ++bar;
+      ++bar;
+      ++bar;
+    }
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Ending <int> increment %D\n")));
+
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Starting <int> decrement %D\n")));
+  for (i = 0; i < TEST_ITERATIONS; ++i)
+    {
+      --bar;
+      --bar;
+      --bar;
+      --bar;
+    }
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Ending <int> decrement %D\n")));
+
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Starting <int> addition %D\n")));
+  for (i = 0; i < TEST_ITERATIONS; ++i)
+    {
+      bar += 5;
+      bar += 5;
+      bar += 5;
+      bar += 5;
+    }
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Ending <int> addition %D\n")));
+
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Starting <int> subtraction %D\n")));
+  for (i = 0; i < TEST_ITERATIONS; ++i)
+    {
+      bar -= 5;
+      bar -= 5;
+      bar -= 5;
+      bar -= 5;
+    }
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Ending <int> subtraction %D\n")));
+
+  ACE_END_TEST;
+  return 0;
+}
+
+#else
+int
+run_main (int, ACE_TCHAR *[])
+{
+  ACE_START_TEST (ACE_TEXT ("Atomic_Op_Test"));
+
+  ACE_ERROR ((LM_INFO,
+              ACE_TEXT ("threads not supported on this platform\n")));
+
+  ACE_END_TEST;
+  return 0;
+}
+#endif /* ACE_HAS_THREADS */