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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 action_rename_test.cpp
/// \brief Action rename test.
#include <boost/test/minimal.hpp>
#include "mcrl2/lps/action_rename.h"
#include "mcrl2/lps/linearise.h"
#include "mcrl2/lps/rewrite.h"
#include "mcrl2/lps/parse.h"
#include "mcrl2/lps/remove.h"
using namespace mcrl2;
using lps::specification;
using lps::action_rename_specification;
// using lps::action_rename;
static
void test1()
{
// Check a renaming when more than one renaming rule
// for one action is present.
const std::string SPEC =
"act a:Nat; \n"
"proc P(n:Nat) = sum m: Nat. a(m). P(m); \n"
"init P(0); \n";
const std::string AR_SPEC =
"act b,c:Nat;\n"
"var n:Nat;\n"
"rename \n"
" (n>4) -> a(n) => b(n); \n"
" (n<22) -> a(n) => c(n); \n";
specification spec = lps::linearise(SPEC);
std::istringstream ar_spec_stream(AR_SPEC);
action_rename_specification ar_spec = parse_action_rename_specification(ar_spec_stream, spec);
specification new_spec = action_rename(ar_spec,spec);
BOOST_CHECK(new_spec.process().summand_count()==3);
}
static
void test2()
{
// Check whether new declarations in the rename file
// are read properly. Check for renamings of more than one action.
const std::string SPEC =
"act a,b:Nat; \n"
"proc P(n:Nat) = sum m: Nat. a(m). P(m); \n"
"init P(0); \n";
const std::string AR_SPEC =
"map f:Nat->Nat; \n"
"var n':Nat; \n"
"eqn f(n')=3; \n"
"act c:Nat; \n"
"var n:Nat; \n"
"rename \n"
" (f(n)>23) -> a(n) => b(n); \n"
" b(n) => c(n); \n";
specification spec = lps::linearise(SPEC);
std::istringstream ar_spec_stream(AR_SPEC);
action_rename_specification ar_spec = parse_action_rename_specification(ar_spec_stream, spec);
specification new_spec = action_rename(ar_spec,spec);
BOOST_CHECK(new_spec.process().summand_count()==2);
}
static
void test3()
{
// Check whether constants in an action_rename file are properly translated.
const std::string SPEC =
"act a,b:Nat; \n"
"proc P(n:Nat) = a(1). P(n)+b(1).P(1); \n"
"init P(0); \n";
const std::string AR_SPEC =
"rename \n"
" a(1) => delta; \n";
specification spec = lps::linearise(SPEC);
std::istringstream ar_spec_stream(AR_SPEC);
action_rename_specification ar_spec = parse_action_rename_specification(ar_spec_stream, spec);
data::rewriter R (spec.data(), mcrl2::data::rewriter::strategy());
specification new_spec = action_rename(ar_spec,spec);
lps::rewrite(new_spec, R);
lps::remove_trivial_summands(new_spec);
BOOST_CHECK(new_spec.process().summand_count()==2);
}
static
void test4()
{
const std::string SPEC =
"sort D = struct d1 | d2;\n"
" E = D;\n"
"\n"
"act a : E;\n"
"\n"
"proc P(d:D) = a(d) . P(d1);\n"
"\n"
"init P(d2);\n";
const std::string AR_SPEC =
"var e : E;\n"
"rename\n"
"(e==d1) -> a(e) => tau;\n";
specification spec = lps::linearise(SPEC);
std::istringstream ar_spec_stream(AR_SPEC);
action_rename_specification ar_spec = parse_action_rename_specification(ar_spec_stream, spec);
data::rewriter R (spec.data(), mcrl2::data::rewriter::strategy());
specification new_spec = action_rename(ar_spec,spec);
lps::rewrite(new_spec, R);
lps::remove_trivial_summands(new_spec);
BOOST_CHECK(new_spec.process().summand_count()==2);
}
static
void test5() // Test whether partial renaming to delta is going well. See bug report #1009.
{
const std::string SPEC =
"sort Command = struct com1 | com2;\n"
"sort State = struct st1 | st2;\n"
"\n"
"proc Parent(id: Nat, children: List(Nat)) =\n"
" sum child: Nat, command: Command . (child in children) -> sc(id, child, command) . Parent()\n"
"+ sum child: Nat, state: State . (child in children) -> rs(child, id, state) . Parent();\n"
"\n"
"proc Child(id: Nat, parent: Nat) =\n"
" sum command: Command . rc(parent, id, command) . Child()\n"
"+ sum state: State . ss(id, parent, state) . Child();\n"
"\n"
"act sc, rc, cc: Nat # Nat # Command;\n"
" rs, ss, cs: Nat # Nat # State;\n"
"\n"
"act none;\n"
"\n"
"init\n"
" allow({cc, cs, sc, rs},\n"
" comm({sc|rc -> cc, rs|ss->cs},\n"
" Parent(0, [1, 2]) ||\n"
" Child(1, 0) ||\n"
" Child(2, 0)\n"
" ));\n";
const std::string AR_SPEC =
"var c: Command;\n"
" s: State;\n"
"rename\n"
" sc(0, 1, c) => delta;\n"
" rs(1, 0, s) => delta;\n";
specification spec = lps::linearise(SPEC);
std::istringstream ar_spec_stream(AR_SPEC);
action_rename_specification ar_spec = parse_action_rename_specification(ar_spec_stream, spec);
data::rewriter R (spec.data(), mcrl2::data::rewriter::strategy());
specification new_spec = action_rename(ar_spec,spec);
lps::rewrite(new_spec, R);
lps::remove_trivial_summands(new_spec);
BOOST_CHECK(new_spec.process().summand_count()==8);
}
int test_main(int argc, char** argv)
{
test1();
test2();
test3();
test4();
test5();
return 0;
}
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