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// Author(s): Wieger Wesselink
// 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 find_test.cpp
/// \brief Test for find functions.
#include <algorithm>
#include <iterator>
#include <set>
#include <vector>
#include <boost/test/minimal.hpp>
#include "mcrl2/lps/find.h"
#include "mcrl2/lps/parse.h"
#include "mcrl2/data/detail/print_utility.h"
using namespace mcrl2;
using namespace mcrl2::lps;
std::string SPEC =
"glob \n"
" m: Nat; \n"
" \n"
"act \n"
" a: Nat; \n"
" \n"
"proc \n"
" P(n:Nat) = a(m).P(n+1); \n"
" \n"
"init P(0); \n"
;
inline
data::variable nat(std::string name)
{
return data::variable(core::identifier_string(name), data::sort_nat::nat());
}
inline
data::variable pos(std::string name)
{
return data::variable(core::identifier_string(name), data::sort_pos::pos());
}
inline
data::variable bool_(std::string name)
{
return data::variable(core::identifier_string(name), data::sort_bool::bool_());
}
void test_find()
{
specification spec = parse_linear_process_specification(SPEC);
std::cout << spec.process().action_summands().size() << std::endl;
action_summand s = spec.process().action_summands().front();
process::action a = s.multi_action().actions().front();
//--- find_all_variables ---//
data::variable m = nat("m");
std::set<data::variable> v = lps::find_all_variables(a);
v = lps::find_all_variables(s);
BOOST_CHECK(v.find(m) != v.end());
//--- find_sort_expressions ---//
std::set<data::sort_expression> e = lps::find_sort_expressions(a);
std::cout << "e.size() = " << e.size() << std::endl;
BOOST_CHECK(std::find(e.begin(), e.end(), data::sort_nat::nat()) != e.end());
BOOST_CHECK(std::find(e.begin(), e.end(), data::sort_pos::pos()) == e.end());
}
void test_free_variables()
{
std::set<data::variable> free_variables;
lps::specification specification(parse_linear_process_specification(
"act a : Bool;\n"
"proc X = a((forall x : Nat. exists y : Nat. x < y)).X;\n"
"init X;\n"
));
free_variables = find_free_variables(specification.process());
BOOST_CHECK(free_variables.find(data::variable("x", data::sort_nat::nat())) == free_variables.end());
BOOST_CHECK(free_variables.find(data::variable("y", data::sort_nat::nat())) == free_variables.end());
specification = parse_linear_process_specification(
"act a;\n"
"proc X(z : Bool) = (z && (forall x : Nat. exists y : Nat. x < y)) -> a.X(!z);\n"
"init X(true);\n"
);
free_variables = find_free_variables(specification);
BOOST_CHECK(free_variables.empty());
free_variables = find_free_variables(specification.process());
BOOST_CHECK(free_variables.empty());
free_variables = find_free_variables(specification.process().action_summands().front());
BOOST_CHECK(free_variables.size() == 1);
BOOST_CHECK(free_variables.find(data::variable("z", data::sort_bool::bool_())) != free_variables.end());
BOOST_CHECK(is_well_typed(specification));
}
void test_search()
{
lps::specification spec(parse_linear_process_specification(
"glob dc: Nat;\n"
"act a : Bool;\n"
"proc X = a((forall x : Nat. exists y : Nat. (x < y) && (y < dc))).X;\n"
"init X;\n"
));
data::variable x("x", data::sort_nat::nat());
BOOST_CHECK(lps::search_free_variable(spec.process().action_summands(), x) == false);
data::variable y("y", data::sort_nat::nat());
BOOST_CHECK(lps::search_free_variable(spec.process().action_summands(), y) == false);
data::variable dc("dc", data::sort_nat::nat());
BOOST_CHECK(lps::search_free_variable(spec.process().action_summands(), dc) == true);
}
void test_search_sort_expression()
{
std::string text =
"act a: List(Bool); \n"
"proc X(x: List(Bool)) = a(x) . X(x); \n"
"init X([true]); \n"
;
lps::specification spec = parse_linear_process_specification(text);
data::sort_expression s = data::parse_sort_expression("List(Bool)");
BOOST_CHECK(data::search_sort_expression(spec.data().sorts(), s));
}
int test_main(int argc, char* argv[])
{
test_find();
test_free_variables();
test_search();
test_search_sort_expression();
return EXIT_SUCCESS;
}
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