TraitsTests.hpp

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// $Id$ 
// $Source$ 
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// 
//                           Sacado Package
//                 Copyright (2006) Sandia Corporation
// 
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
// 
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
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#ifndef TRAITSTESTS_HPP
#define TRAITSTESTS_HPP

// Sacado includes
#include "Sacado_No_Kokkos.hpp"
#include "Sacado_Random.hpp"
#include "Sacado_mpl_apply.hpp"
#include "Sacado_mpl_is_same.hpp"

// Cppunit includes
#include <cppunit/extensions/HelperMacros.h>

// A class for testing Sacado::Traits definitions for Sacado AD types
template <class ADType>
class TraitsTests : public CppUnit::TestFixture {

  CPPUNIT_TEST_SUITE( TraitsTests );
  
  CPPUNIT_TEST(testScalarType);
  CPPUNIT_TEST(testValueType);
  CPPUNIT_TEST(testIsADType);
  CPPUNIT_TEST(testIsScalarType);
  CPPUNIT_TEST(testValue);
  CPPUNIT_TEST(testScalarValue);
  CPPUNIT_TEST(testStringName);

  CPPUNIT_TEST_SUITE_END();

public:

  TraitsTests();
  ~TraitsTests() {}

  void setUp() {}

  void tearDown() {}

  void testScalarType();
  void testValueType();
  void testIsADType();
  void testIsScalarType();
  void testValue();
  void testScalarValue();
  void testStringName();

protected:

  typedef typename Sacado::mpl::apply<ADType,double>::type ad1_t;
  typedef typename Sacado::mpl::apply<ADType,ad1_t>::type ad2_t;

  // Random number generator
  Sacado::Random<double> urand;

}; // class TraitsTests

template <class ADType>
TraitsTests<ADType>::
TraitsTests() :
  urand()
{
}

template <class ADType>
void
TraitsTests<ADType>::
testScalarType() {
  bool same = Sacado::mpl::is_same< typename Sacado::ScalarType<ad1_t>::type, double >::value;
  CPPUNIT_ASSERT(same == true);
  
  same = Sacado::mpl::is_same< typename Sacado::ScalarType<ad2_t>::type,double >::value;
  CPPUNIT_ASSERT(same == true);
}

template <class ADType>
void
TraitsTests<ADType>::
testValueType() {
  bool same = Sacado::mpl::is_same< typename Sacado::ValueType<ad1_t>::type,double >::value;
  CPPUNIT_ASSERT(same == true);

  same = Sacado::mpl::is_same< typename Sacado::ValueType<ad2_t>::type,ad1_t >::value;
  CPPUNIT_ASSERT(same == true);
}

template <class ADType>
void
TraitsTests<ADType>::
testIsADType() {
  CPPUNIT_ASSERT(Sacado::IsADType<ad1_t>::value == true);
  CPPUNIT_ASSERT(Sacado::IsADType<ad2_t>::value == true);
}

template <class ADType>
void
TraitsTests<ADType>::
testIsScalarType() {
  CPPUNIT_ASSERT(Sacado::IsScalarType<ad1_t>::value == false);
  CPPUNIT_ASSERT(Sacado::IsScalarType<ad2_t>::value == false);
}

template <class ADType>
void
TraitsTests<ADType>::
testValue() {
  double val = urand.number();
  ad1_t a(val);
  CPPUNIT_ASSERT(Sacado::Value<ad1_t>::eval(a) == val);

  ad2_t b(a);
  CPPUNIT_ASSERT(Sacado::Value<ad2_t>::eval(b) == a);
}

template <class ADType>
void
TraitsTests<ADType>::
testScalarValue() {
  double val = urand.number();
  ad1_t a(val);
  CPPUNIT_ASSERT(Sacado::ScalarValue<ad1_t>::eval(a) == val);

  ad2_t b(a);
  CPPUNIT_ASSERT(Sacado::ScalarValue<ad2_t>::eval(b) == val);
}

template <class ADType>
void
TraitsTests<ADType>::
testStringName() {
  // Currently we can't check the string name, here we are just making sure
  // it compiles
  Sacado::StringName<ad1_t>::eval();
  Sacado::StringName<ad2_t>::eval();
  // CPPUNIT_ASSERT(Sacado::StringName<ad1_t>::eval() == name + "< double, double >");
  // CPPUNIT_ASSERT(Sacado::StringName<ad2_t>::eval() == name + "< " + name + "< double, double >, double >");
}

#endif // TRAITSTESTS_HPP