svn commit: r661873 - /stdcxx/branches/4.2.x/tests/regress/18.limits.traps.stdcxx-624.cpp

[vitek]

Author: vitek
Date: Fri May 30 14:24:06 2008
New Revision: 661873

URL: http://svn.apache.org/viewvc?rev=661873&view=rev
Log:
2008-05-30  Travis Vitek  <[EMAIL PROTECTED]>

        STDCXX-833
        * tests/regress/18.limits.traps.stdcxx-624.cpp: Add special
        handling for divide by zero on windows.

Modified:
    stdcxx/branches/4.2.x/tests/regress/18.limits.traps.stdcxx-624.cpp

Modified: stdcxx/branches/4.2.x/tests/regress/18.limits.traps.stdcxx-624.cpp
URL: 
http://svn.apache.org/viewvc/stdcxx/branches/4.2.x/tests/regress/18.limits.traps.stdcxx-624.cpp?rev=661873&r1=661872&r2=661873&view=diff
==============================================================================
--- stdcxx/branches/4.2.x/tests/regress/18.limits.traps.stdcxx-624.cpp 
(original)
+++ stdcxx/branches/4.2.x/tests/regress/18.limits.traps.stdcxx-624.cpp Fri May 
30 14:24:06 2008
@@ -2,7 +2,7 @@
  *
  * 18.limits.traps.stdcxx-624.cpp - regression test for STDCXX-624
  *
- * $Id:$
+ * $Id$
  *
  ***************************************************************************
  *
@@ -50,6 +50,16 @@
 }   // extern "C"
 
 
+#ifdef _MSC_VER
+   // use Structured Exception Handling to detect arithmetic exceptions
+#  define TRY           __try
+#  define EXCEPT(arg)   __except (arg)
+#else
+#  define TRY              if (1)
+#  define EXCEPT(ignore)   else if (0)
+#endif   // _MSC_VER
+
+
 int main ()
 {
     // prevent clever optimizers from figuring out that (zero == 0)
@@ -66,14 +76,21 @@
     if (std::numeric_limits<int>::traps)
         std::signal (SIGFPE, handle_FPE);
 
+    bool trapped = false;
+
     // if this traps (generates SIGFPE), verify (in the signal handler)
     // that integer arithmetic is expected to trap
-    result  = non_zero / zero;
-    result += non_zero % zero;
+    TRY {
+        result  = non_zero / zero;
+        result += non_zero % zero;
+    }
+    EXCEPT (1) {
+        trapped = true;
+    }
 
     // if we get this far, verify that integer arithmetic is known not
     // to trap
-    assert (!std::numeric_limits<int>::traps);
+    assert (trapped == std::numeric_limits<int>::traps);
 
     (void)&result;