File: sort_expression_test.cpp

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// Author(s): Jeroen Keiren
// Copyright: see the accompanying file COPYING or copy at
// https://svn.win.tue.nl/trac/MCRL2/browser/trunk/COPYING
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
/// \file sort_expression_test.cpp
/// \brief Basic regression test for sort expressions.

#include <iostream>
#include <boost/test/included/unit_test_framework.hpp>

#include "mcrl2/atermpp/detail/utility.h"
#include "mcrl2/atermpp/container_utility.h"
#include "mcrl2/data/basic_sort.h"
#include "mcrl2/data/function_sort.h"
#include "mcrl2/data/alias.h"
#include "mcrl2/data/structured_sort.h"
#include "mcrl2/data/container_sort.h"
#include "mcrl2/data/nat.h"
#include "mcrl2/data/utility.h"

using namespace mcrl2;
using namespace mcrl2::data;

BOOST_AUTO_TEST_CASE(basic_sort_test)
{
  basic_sort s("S");

  BOOST_CHECK(is_basic_sort(s));
  BOOST_CHECK(!is_function_sort(s));
  BOOST_CHECK(!is_alias(s));
  BOOST_CHECK(!is_structured_sort(s));
  BOOST_CHECK(!is_container_sort(s));

  BOOST_CHECK_EQUAL(to_string(s.name()), "S");
  BOOST_CHECK_EQUAL(s, s);

  basic_sort t("T");
  BOOST_CHECK(s != t);
  BOOST_CHECK(s.name() != t.name());

  sort_expression t_e(t);
  basic_sort t_e_(t_e);
  BOOST_CHECK_EQUAL(t_e_, t);
  BOOST_CHECK_EQUAL(t_e_.name(), t.name());
}

BOOST_AUTO_TEST_CASE(function_sort_test)
{
  basic_sort s0("S0");
  basic_sort s1("S1");
  basic_sort s("S");

  sort_expression_list s01 = atermpp::make_list<sort_expression>(s0, s1);
  function_sort fs(s01, s);
  BOOST_CHECK(!is_basic_sort(fs));
  BOOST_CHECK(is_function_sort(fs));
  BOOST_CHECK(!is_alias(fs));
  BOOST_CHECK(!is_structured_sort(fs));
  BOOST_CHECK(!is_container_sort(fs));
  BOOST_CHECK_EQUAL(fs, fs);
  BOOST_CHECK_EQUAL(fs.domain().size(), static_cast< size_t >(s01.size()));

  // Element wise check
  sort_expression_list::const_iterator i = s01.begin();
  sort_expression_list::iterator j = fs.domain().begin();
  while (i != s01.end() && j != fs.domain().end())
  {
    BOOST_CHECK_EQUAL(*i, *j);
    ++i;
    ++j;
  }

  BOOST_CHECK_EQUAL(fs.domain(), s01);
  BOOST_CHECK_EQUAL(fs.codomain(), s);

  sort_expression fs_e(fs);
  function_sort fs_e_(fs_e);
  BOOST_CHECK_EQUAL(fs_e_, fs);
  BOOST_CHECK_EQUAL(fs_e_.domain(), fs.domain());
  BOOST_CHECK_EQUAL(fs_e_.codomain(), fs.codomain());

  BOOST_CHECK_EQUAL(fs, make_function_sort(s0, s1, s));
  BOOST_CHECK_EQUAL(fs.domain(), make_function_sort(s0, s1, s).domain());
}

BOOST_AUTO_TEST_CASE(alias_test)
{
  basic_sort s0("S0");

  basic_sort s0_name("other_S");
  alias s0_(s0_name, s0);
  BOOST_CHECK(is_alias(s0_));
  BOOST_CHECK_EQUAL(s0_.name(), s0_name);
  BOOST_CHECK_EQUAL(s0_.reference(), s0);

  alias s0_e_(s0_);
  BOOST_CHECK_EQUAL(s0_e_, s0_);
  BOOST_CHECK_EQUAL(s0_e_.name(), s0_.name());
  BOOST_CHECK_EQUAL(s0_e_.reference(), s0_.reference());
}

BOOST_AUTO_TEST_CASE(structured_sort_test)
{
  basic_sort s0("S0");
  basic_sort s1("S1");
  structured_sort_constructor_argument p0("p0", s0);
  structured_sort_constructor_argument p1(s1);
  BOOST_CHECK_EQUAL(to_string(p0.name()), "p0");
  BOOST_CHECK_EQUAL(p1.name(), core::empty_identifier_string());
  BOOST_CHECK_EQUAL(p0.sort(), s0);
  BOOST_CHECK_EQUAL(p1.sort(), s1);

  structured_sort_constructor_argument_vector a1;
  a1.push_back(p0);
  a1.push_back(p1);
  structured_sort_constructor_argument_vector a2;
  a2.push_back(p0);

  structured_sort_constructor c1("c1", a1, "is_c1");
  structured_sort_constructor c2("c2", a2);
  BOOST_CHECK_EQUAL(to_string(c1.name()), "c1");
  BOOST_CHECK(structured_sort_constructor_argument_vector(c1.arguments().begin(),c1.arguments().end()) == a1);
  BOOST_CHECK_EQUAL(to_string(c1.recogniser()), "is_c1");
  BOOST_CHECK_EQUAL(to_string(c2.name()), "c2");
  BOOST_CHECK(structured_sort_constructor_argument_vector(c2.arguments().begin(),c2.arguments().end()) == a2);
  BOOST_CHECK_EQUAL(c2.recogniser(), core::empty_identifier_string());

  structured_sort_constructor_list cs = atermpp::make_list(c1, c2);

  structured_sort s(cs);

  BOOST_CHECK(!is_basic_sort(s));
  BOOST_CHECK(!is_function_sort(s));
  BOOST_CHECK(!is_alias(s));
  BOOST_CHECK(is_structured_sort(s));
  BOOST_CHECK(!is_container_sort(s));

  BOOST_CHECK_EQUAL(s.constructors(), cs);

  sort_expression s_e(s);
  structured_sort s_e_(s_e);
  BOOST_CHECK_EQUAL(s_e_, s);
  BOOST_CHECK_EQUAL(s_e_.constructors(), s.constructors());

  structured_sort_constructor_argument_vector nv(atermpp::make_vector(structured_sort_constructor_argument(static_cast<sort_expression const&>(sort_nat::nat()))));
  structured_sort_constructor_argument_vector bv(atermpp::make_vector(structured_sort_constructor_argument(static_cast<sort_expression const&>(sort_bool::bool_()))));
  structured_sort_constructor b("B", nv);
  structured_sort_constructor c("C", bv);
  structured_sort bc(atermpp::make_vector(b,c));

  BOOST_CHECK_EQUAL(bc.constructors(), structured_sort_constructor_list(atermpp::make_list(b,c)));
  structured_sort_constructor_vector bc_constructors(bc.constructors().begin(), bc.constructors().end());
  BOOST_CHECK_EQUAL(bc_constructors[0], b);
  BOOST_CHECK_EQUAL(bc_constructors[1], c);
  BOOST_CHECK(!bc_constructors[0].arguments().empty());
  BOOST_CHECK(!bc_constructors[1].arguments().empty());
  BOOST_CHECK(sort_nat::is_nat(bc_constructors[0].arguments().begin()->sort()));
  BOOST_CHECK(sort_bool::is_bool(bc_constructors[1].arguments().begin()->sort()));
}

BOOST_AUTO_TEST_CASE(container_sort_test)
{
  basic_sort s0("S0");
  basic_sort s1("S1");
  container_sort ls0(list_container(), s0);
  container_sort ls1(list_container(), s1);

  BOOST_CHECK_EQUAL(ls0.container_name(), list_container());
  BOOST_CHECK_EQUAL(ls0.element_sort(), s0);
  BOOST_CHECK_EQUAL(ls1.element_sort(), s1);
  BOOST_CHECK(ls0.element_sort() != ls1.element_sort());
}

boost::unit_test::test_suite* init_unit_test_suite(int argc, char* argv[])
{
  return 0;
}