/*
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// 
//    Thyra: Interfaces and Support for Abstract Numerical Algorithms
//                 Copyright (2004) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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#include "Thyra_DefaultSpmdVectorSpace.hpp"
#include "Thyra_DefaultMultipliedLinearOp.hpp"
#include "Thyra_DefaultScaledAdjointLinearOp.hpp"
#include "Thyra_MultiVectorBase.hpp"
#include "Teuchos_FancyOStream.hpp"
#include "Teuchos_TestForException.hpp"

#include "Teuchos_UnitTestHarness.hpp"
#include "Thyra_UnitTestHelpers.hpp"


namespace Thyra {


//
// Helper code and declarations
//


using Teuchos::null;
using Teuchos::is_null;
using Teuchos::RCP;
using Teuchos::rcpFromRef;
using Teuchos::fancyOStream;


//
// Unit Tests
//


TEUCHOS_UNIT_TEST( DefaultMultipliedLinearOp, defaultConstruct )
{

  typedef double Scalar;

  const RCP<DefaultMultipliedLinearOp<Scalar> > M = defaultMultipliedLinearOp<Scalar>();

  TEST_ASSERT(is_null(M->range()));
  TEST_ASSERT(is_null(M->domain()));
  TEST_ASSERT(isFullyUninitialized(*M));
  TEST_ASSERT(!isPartiallyInitialized(*M));
  TEST_ASSERT(!isFullyInitialized(*M));

#  if defined(HAVE_GCC_ABI_DEMANGLE) && defined(HAVE_TEUCHOS_DEMANGLE)

  const std::string M_description = M->description();
  TEST_EQUALITY_CONST(M_description,
    "Thyra::DefaultMultipliedLinearOp<double>{numOps=0,rangeDim=0,domainDim=0}");

  {
    std::ostringstream describe_msg;
    describe_msg << "'";
    M->describe(*fancyOStream(rcpFromRef(describe_msg)), Teuchos::VERB_LOW);
    describe_msg << "'";
    
    std::ostringstream expected_msg;
    expected_msg
      << "' " << M_description << "\n'";
    
    TEST_EQUALITY_CONST( describe_msg.str(), expected_msg.str() );
  }

  {
    std::ostringstream describe_msg;
    describe_msg << "'";
    M->describe(*fancyOStream(rcpFromRef(describe_msg)), Teuchos::VERB_EXTREME);
    describe_msg << "'";
    
    std::ostringstream expected_msg;
    expected_msg
      << "' " << M_description << "\n"
      << "  Constituent LinearOpBase objects for M = Op[0]*...*Op[numOps-1]:\n'";

    TEST_EQUALITY_CONST( describe_msg.str(), expected_msg.str() );
  }

#  endif // defined(HAVE_GCC_ABI_DEMANGLE) && defined(HAVE_TEUCHOS_DEMANGLE)
 
}


#ifdef TEUCHOS_DEBUG


TEUCHOS_UNIT_TEST( DefaultMultipliedLinearOp, multiplyConst )
{

  typedef double Scalar;

  const Ordinal m = 5;
  const Ordinal n = 3;

  const RCP<const VectorSpaceBase<Scalar> > vs = defaultSpmdVectorSpace<Scalar>(m);
  const RCP<const MultiVectorBase<Scalar> > A = createMembers(vs, n, "A");

  TEST_THROW(
    const RCP<const LinearOpBase<Scalar> > M = multiply<Scalar>(A, A),
    Exceptions::IncompatibleVectorSpaces
    );
  
}


#endif // TEUCHOS_DEBUG


} // namespace Thyra
