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/*=============================================================================
Copyright (c) 1998-2003 Joel de Guzman
http://spirit.sourceforge.net/
Use, modification and distribution is subject to 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)
=============================================================================*/
#include <iostream>
#include <boost/detail/lightweight_test.hpp>
#include <string>
using namespace std;
#include <boost/spirit/include/classic_core.hpp>
using namespace BOOST_SPIRIT_CLASSIC_NS;
///////////////////////////////////////////////////////////////////////////////
//
// Match tests
//
///////////////////////////////////////////////////////////////////////////////
struct X {};
struct Y { Y(int) {} }; // not default constructible
struct Z { Z(double n):n(n){} double n; }; // implicitly convertible from double
void
match_tests()
{
match<> m0;
BOOST_TEST(!m0.has_valid_attribute());
match<int> m1(m0);
m1.value(123);
BOOST_TEST(m1.has_valid_attribute());
BOOST_TEST(m1.value() == 123);
match<double> m2(m1);
BOOST_TEST(m2.has_valid_attribute());
BOOST_TEST(m1.value() == int(m2.value()));
m2.value(456);
*&m0 = m0; // match<nil> = match<nil>
m0 = m1; // match<nil> = match<int>
m0 = m2; // match<nil> = match<double>
m1 = m0; // match<int> = match<nil>
BOOST_TEST(!m1);
BOOST_TEST(!m1.has_valid_attribute());
*&m1 = m1; // match<int> = match<int>
m1.value(int(m2.value()));
BOOST_TEST(m1.has_valid_attribute());
BOOST_TEST(m1.value() == int(m2.value()));
m2.value(123.456);
match<Z> mz(m2); // copy from match<double>
mz = m2; // assign from match<double>
BOOST_TEST(mz.value().n == 123.456);
m1.value(123);
m2 = m0;
BOOST_TEST(!m2);
BOOST_TEST(!m2.has_valid_attribute());
m2 = m1; // match<double> = match<int>
BOOST_TEST(m2.has_valid_attribute());
BOOST_TEST(m1.value() == int(m2.value()));
*&m2 = m2; // match<double> = match<double>
cout << "sizeof(int) == " << sizeof(int) << '\n';
cout << "sizeof(match<>) == " << sizeof(m0) << '\n';
cout << "sizeof(match<int>) == " << sizeof(m1) << '\n';
cout << "sizeof(match<double>) == " << sizeof(m2) << '\n';
match<int&> mr;
BOOST_TEST(!mr.has_valid_attribute());
match<int&> mrr(4);
BOOST_TEST(!mrr.has_valid_attribute());
int ri = 3;
match<int&> mr2(4, ri);
BOOST_TEST(mr2.has_valid_attribute());
mr = mr2;
BOOST_TEST(mr.has_valid_attribute());
match<int&> mr3(mrr);
BOOST_TEST(!mr3.has_valid_attribute());
mr2 = mr3;
BOOST_TEST(!mr2.has_valid_attribute());
match<X> mx;
m1 = mx;
m0 = mx;
BOOST_TEST(!mx.has_valid_attribute());
BOOST_TEST(!m0.has_valid_attribute());
BOOST_TEST(!m1.has_valid_attribute());
match<Y> my;
BOOST_TEST(!my.has_valid_attribute());
match<std::string> ms;
BOOST_TEST(!ms.has_valid_attribute());
ms.value("Kimpo Ponchwayla");
BOOST_TEST(ms.has_valid_attribute());
BOOST_TEST(ms.value() == "Kimpo Ponchwayla");
ms = match<>();
BOOST_TEST(!ms.has_valid_attribute());
// let's try a match with a reference:
int i;
match<int&> mr4(4, i);
BOOST_TEST(mr4.has_valid_attribute());
mr4.value(3);
BOOST_TEST(mr4.value() == 3);
BOOST_TEST(i == 3);
(void)i;
int x = 456;
match<int&> mref(1, x);
BOOST_TEST(mref.value() == 456);
mref.value(123);
BOOST_TEST(mref.value() == 123);
x = mref.value();
BOOST_TEST(x == 123);
mref.value() = 986;
BOOST_TEST(x == 986);
std::string s("hello");
match<int> mint(1, x);
BOOST_TEST(mint.value() == x);
match<std::string> mstr(1, s);
BOOST_TEST(mstr.value() == "hello");
mstr = mint;
mint = mstr;
}
///////////////////////////////////////////////////////////////////////////////
//
// Match Policy tests
//
///////////////////////////////////////////////////////////////////////////////
void
match_policy_tests()
{
match<> m0;
match<int> m1;
match<double> m2;
match_policy mp;
m0 = mp.no_match(); BOOST_TEST(!m0);
m1 = mp.no_match(); BOOST_TEST(!m1);
m0 = mp.empty_match(); BOOST_TEST(!!m0);
m2 = mp.empty_match(); BOOST_TEST(!!m2);
m1 = mp.create_match(5, 100, 0, 0);
m2 = mp.create_match(5, 10.5, 0, 0);
mp.concat_match(m1, m2);
BOOST_TEST(m1.length() == 10);
}
///////////////////////////////////////////////////////////////////////////////
//
// Main
//
///////////////////////////////////////////////////////////////////////////////
int
main()
{
match_tests();
match_policy_tests();
return boost::report_errors();
}
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