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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 pp_test.cpp
/// \brief Test for parser + pretty printer
#include <string>
#include <boost/test/included/unit_test_framework.hpp>
#include "mcrl2/lps/specification.h"
#include "mcrl2/lps/linearise.h"
#include "mcrl2/lps/parse.h"
#include "mcrl2/utilities/test_utilities.h"
using namespace mcrl2;
using namespace mcrl2::lps;
using mcrl2::utilities::collect_after_test_case;
BOOST_GLOBAL_FIXTURE(collect_after_test_case)
BOOST_AUTO_TEST_CASE(rational)
{
std::string input(
"% This is an mCRL2 process specification which can be used for testing\n"
"% operations on rational numbers.\n"
"\n"
"% Tests for unary operations floor, ceil, round, succ, pred, -, abs, succ, pred\n"
"act unary_operations : Real # Int # Int # Int # Real # Real # Real # Real;\n"
"proc Test_unary_operations =\n"
" sum x: Int, p: Pos, r: Real. (x >= -5 && x <= 5 && p <= 10 && r == x/p)\n"
" -> unary_operations(r, floor(r), ceil(r), round(r), abs(r), -r, succ(r), pred(r))\n"
" <> delta;\n"
"\n"
"% Tests for binary operations <, <=, >=, >, max, min, +, -, *, /\n"
"act binary_operations: Real # Real # Bool # Bool # Bool # Bool # Real # Real # Real # Real # Real # Real;\n"
" left_operand: Real;\n"
"proc Test_binary_operations =\n"
" sum x: Int, p: Pos, r: Real. (x >= -5 && x <= 5 && p <= 10 && r == x/p) ->\n"
" left_operand(r) .\n"
" (sum y: Int, q: Pos, s: Real. (y >= -5 && y <= 5 && q <= 10 && s == y/q)\n"
" -> binary_operations(r, s, r < s, r <= s, r >= s, r > s, min(r, s), max(r, s), r + s, r - s, r * s, r / s)\n"
" <> delta\n"
" )\n"
" <> delta;\n"
"\n"
"% Tests for exponentation\n"
"act base: Real;\n"
" exponent: Real # Int # Real;\n"
"proc Test_exponentation =\n"
" sum x: Int, p: Pos, r: Real. (x >= -5 && x <= 5 && p <= 10 && r == x/p)\n"
" -> (base(r) . (sum y: Int. (y >= -5 && y <= 5) -> exponent(r, y, exp(r, y)) <> delta))\n"
" <> delta;\n"
"\n"
"init Test_unary_operations + Test_binary_operations + Test_exponentation;\n"
);
specification s;
s = linearise(input);
std::string output;
output = lps::pp(s);
// Check whether the symbol @ occurs in the pretty printed output. If this is
// the case, still some internal symbol is exposed. As a result, our parsers
// will not be able to handle the specification as input.
BOOST_CHECK(output.find("@") == std::string::npos);
}
BOOST_AUTO_TEST_CASE(no_summands)
{
specification spec;
std::string s = lps::pp(spec);
std::cout << "--- no_summands ---\n" << s << std::endl;
BOOST_CHECK(s.find("delta @ 0") != std::string::npos);
}
#ifdef MCRL2_PRINT_PROBLEM_CASES
void test_specification(const std::string& spec_text)
{
specification x = parse_linear_process_specification(spec_text);
std::string s1 = lps::pp(x);
std::string s2 = lps::print(x);
if (s1 != s2)
{
std::clog << "--- testing spec ---" << std::endl;
std::clog << "<pp> " << s1 << std::endl;
std::clog << "<print>" << s2 << std::endl;
BOOST_CHECK(s1 == s2);
}
}
BOOST_AUTO_TEST_CASE(problem_cases)
{
std::string SPEC;
SPEC =
"act a: Bool; \n"
"proc P = a(true) . P;\n"
"init P; \n"
;
test_specification(SPEC);
}
#endif
BOOST_AUTO_TEST_CASE(ticket_1208)
{
std::string text =
"act a:Nat; \n"
"init a(n whr n=m, m=3 end); \n"
;
try
{
specification x = parse_linear_process_specification(text);
}
catch (const mcrl2::runtime_error& e)
{
std::string s = e.what();
BOOST_CHECK(s.find("n whr n=m, m=3 end") != std::string::npos);
}
}
BOOST_AUTO_TEST_CASE(ticket_1267)
{
std::string text =
"act a: Nat; \n"
"proc loop(n: Nat) = a(n) . loop((n + 1) mod 10); \n"
"init loop(0); \n"
;
specification x = parse_linear_process_specification(text);
auto const& a = x.process().action_summands().front().multi_action();
std::string s = lps::pp(a);
std::cout << "s = " << s << std::endl;
BOOST_CHECK(s == "a(n)");
}
boost::unit_test::test_suite* init_unit_test_suite(int argc, char* argv[])
{
return 0;
}
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