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ParameterList_UnitTest_Parallel.cpp
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00004 //                    Teuchos: Common Tools Package
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00041 
00042 #include "Teuchos_ParameterList.hpp"
00043 #include "Teuchos_XMLParameterListHelpers.hpp"
00044 #include "Teuchos_DefaultComm.hpp"
00045 #include "Teuchos_CommHelpers.hpp"
00046 
00047 #include "Teuchos_UnitTestHarness.hpp"
00048 
00049 
00050 namespace Teuchos {
00051 
00052 
00053 TEUCHOS_UNIT_TEST( Teuchos_ParameterList, xmlUpdateAndBroadcast ) {
00054   const RCP<const Comm<int> > comm = DefaultComm<int>::getComm();
00055   // Test the broadcast functionality to avoid unscalable I/O collisions
00056   std::string inputFile="input.xml";
00057   ParameterList A;
00058   ParameterList B;
00059   updateParametersFromXmlFile(inputFile, outArg(A));
00060   updateParametersFromXmlFileAndBroadcast(inputFile, outArg(B), *comm);
00061   out << "B = " << B;
00062   TEST_ASSERT( B.begin() != B.end() ); // Avoid false positive from empty lists
00063 
00064   // See if any process returned a failed (i.e. a non-zero local_failed)
00065   const int local_failed = !(A == B);
00066   int global_failed = -1;
00067   reduceAll(*comm, Teuchos::REDUCE_SUM, local_failed, outArg(global_failed));
00068   TEST_EQUALITY_CONST(global_failed, 0);
00069 }
00070 
00071 
00072 } // namespace Teuchos
00073 
00074 
00075 
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