From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Fri, 16 Dec 2016 05:43:56 +0000 (-0700)
Subject: Fix a quicktest.
X-Git-Tag: v8.5.0-rc1~331^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F3677%2Fhead;p=dealii.git

Fix a quicktest.

The test assigned MPI return codes to a variable, but then did not do anything with this
variable. We may as well test for errors.
---

diff --git a/tests/quick_tests/mpi.cc b/tests/quick_tests/mpi.cc
index 4cd4259521..350d1f8a85 100644
--- a/tests/quick_tests/mpi.cc
+++ b/tests/quick_tests/mpi.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2013 - 2015 by the deal.II authors
+// Copyright (C) 2013 - 2016 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
@@ -48,6 +48,14 @@ int main(int argc, char *argv[] )
   else if (myrank==0)
     err = MPI_Recv(&value, 1, MPI_INT, 1, 1, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
 
+  if (err != MPI_SUCCESS)
+    {
+      std::cerr << "MPI_Send/Recv error code = "
+                << err
+                << std::endl;
+      abort ();
+    }
+
   if (myrank==0 && value!=1)
     {
       std::cerr << "ERROR: MPI_Send/Recv did not work!" << std::endl;