Files
spirit_x4/test/x4/seek.cpp
Nana Sakisaka 05bf2eb30b Migrate to Catch2 (#48)
* Migrate to Catch2

* Enable colors in Catch2

* CI: Cache Catch2

* Remove unused variable

* Supply compiler flags to `Catch2WithMain`

* CI: Fix Catch2 cache

* Fix styling
2025-09-25 17:26:35 +09:00

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C++

/*=============================================================================
Copyright (c) 2011 Jamboree
Copyright (c) 2014 Lee Clagett
Copyright (c) 2025 Nana Sakisaka
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)
=============================================================================*/
#include "test.hpp"
#include <boost/spirit/x4/char/char.hpp>
#include <boost/spirit/x4/char/char_class.hpp>
#include <boost/spirit/x4/string/string.hpp>
#include <boost/spirit/x4/auxiliary/eoi.hpp>
#include <boost/spirit/x4/directive/seek.hpp>
#include <boost/spirit/x4/numeric/int.hpp>
#include <boost/spirit/x4/operator/sequence.hpp>
#include <boost/spirit/x4/operator/plus.hpp>
#include <vector>
TEST_CASE("seek")
{
BOOST_SPIRIT_X4_ASSERT_CONSTEXPR_CTORS(x4::seek['x']);
// test eoi
CHECK(parse("", x4::seek[x4::eoi]));
CHECK(parse(" ", x4::seek[x4::eoi], x4::space));
CHECK(parse("a", x4::seek[x4::eoi]));
CHECK(parse(" a", x4::seek[x4::eoi], x4::space));
// test literal finding
{
int i = 0;
REQUIRE(parse("!@#$%^&*KEY:123", x4::seek["KEY:"] >> x4::int_, i));
CHECK(i == 123);
}
// test sequence finding
{
int i = 0;
REQUIRE(parse("!@#$%^&* KEY : 123", x4::seek[x4::lit("KEY") >> ':'] >> x4::int_, x4::space, i));
CHECK(i == 123);
}
// test attr finding
{
std::vector<int> v;
REQUIRE(parse("a06b78c3d", +x4::seek[x4::int_], v).is_partial_match());
REQUIRE(v.size() == 3);
CHECK(v[0] == 6);
CHECK(v[1] == 78);
CHECK(v[2] == 3);
}
// test action
{
bool b = false;
auto const action = [&b] { b = true; };
REQUIRE(parse("abcdefg", x4::seek["def"][action]).is_partial_match());
CHECK(b == true);
}
// test container
{
std::vector<int> v;
REQUIRE(parse("abcInt:100Int:95Int:44", x4::seek[+("Int:" >> x4::int_)], v));
REQUIRE(v.size() == 3);
CHECK(v[0] == 100);
CHECK(v[1] == 95);
CHECK(v[2] == 44);
}
// test failure rollback
CHECK(!parse("abcdefg", x4::seek[x4::int_]));
// past the end regression GH#658
CHECK(!parse(" ", x4::seek['x'], x4::space));
}