//
// libsemigroups - C++ library for semigroups and monoids
// Copyright (C) 2020 James D. Mitchell
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/ >.
//
#include <vector> // for vector
#include "catch.hpp" // for REQUIRE etc
#include "test-main.hpp" // for LIBSEMIGROUPS_TEST_CASE
#include "libsemigroups/order.hpp" // for LexicographicalCompare
#include "libsemigroups/types.hpp" // for word_type
#include "libsemigroups/wilo.hpp" // for cbegin_wilo
#include "libsemigroups/word.hpp" // for number_of_words
namespace libsemigroups {
LIBSEMIGROUPS_TEST_CASE("wilo" , "001" , "corner cases" , "[wilo][quick]" ) {
word_type const u = {0, 0, 0, 0};
word_type const v = {1, 1, 1, 1};
auto w1 = std::vector<word_type>(cbegin_wilo(2, 1, v, u),
cend_wilo(2, 1, v, u));
REQUIRE(w1.empty());
auto w2 = std::vector<word_type>(cbegin_wilo(2, 1, u, u),
cend_wilo(2, 1, u, u));
REQUIRE(w2.empty());
auto w3 = std::vector<word_type>(cbegin_wilo(2, 2, {}, {1, 1}),
cend_wilo(2, 2, {}, {1, 1}));
REQUIRE(w3.size() == 3);
REQUIRE(w3 == std::vector<word_type>({{}, {0}, {1}}));
REQUIRE(word_type(0, 0) == word_type());
auto w4 = std::vector<word_type>(cbegin_wilo(2, 1, {}, {1, 1}),
cend_wilo(2, 1, {}, {1, 1}));
REQUIRE(w4 == std::vector<word_type>({{}}));
w4 = std::vector<word_type>(cbegin_wilo(2, 1, {}, {0}),
cend_wilo(2, 1, {}, {0}));
REQUIRE(w4 == std::vector<word_type>({{}}));
}
LIBSEMIGROUPS_TEST_CASE("wilo" ,
"002" ,
"letters: 2, min: 1, max: 4" ,
"[wilo][quick]" ) {
auto w = std::vector<word_type>(cbegin_wilo(2, 4, {0}, {1, 1, 1, 1}),
cend_wilo(2, 4, {0}, {1, 1, 1, 1}));
REQUIRE(w
== std::vector<word_type>({{0},
{0, 0},
{0, 0, 0},
{0, 0, 1},
{0, 1},
{0, 1, 0},
{0, 1, 1},
{1},
{1, 0},
{1, 0, 0},
{1, 0, 1},
{1, 1},
{1, 1, 0},
{1, 1, 1}}));
REQUIRE(w.size() == 14);
REQUIRE(std::is_sorted(
w.cbegin(), w.cend(), LexicographicalCompare<word_type>()));
REQUIRE(std::is_sorted(cbegin_wilo(2, 4, {0}, {1, 1, 1, 1}),
cend_wilo(2, 4, {0}, {1, 1, 1, 1}),
LexicographicalCompare<word_type>()));
}
LIBSEMIGROUPS_TEST_CASE("wilo" ,
"003" ,
"letters: 2, min: 1, max: 4" ,
"[wilo][quick]" ) {
word_type first = {0};
word_type last = {2, 2, 2, 2};
auto w = std::vector<word_type>(cbegin_wilo(3, 4, first, last),
cend_wilo(3, 4, first, last));
REQUIRE(w.size() == 39);
REQUIRE(w.size() == number_of_words(3, 1, 4));
REQUIRE(
w
== std::vector<word_type>(
{{0}, {0, 0}, {0, 0, 0}, {0, 0, 1}, {0, 0, 2}, {0, 1},
{0, 1, 0}, {0, 1, 1}, {0, 1, 2}, {0, 2}, {0, 2, 0}, {0, 2, 1},
{0, 2, 2}, {1}, {1, 0}, {1, 0, 0}, {1, 0, 1}, {1, 0, 2},
{1, 1}, {1, 1, 0}, {1, 1, 1}, {1, 1, 2}, {1, 2}, {1, 2, 0},
{1, 2, 1}, {1, 2, 2}, {2}, {2, 0}, {2, 0, 0}, {2, 0, 1},
{2, 0, 2}, {2, 1}, {2, 1, 0}, {2, 1, 1}, {2, 1, 2}, {2, 2},
{2, 2, 0}, {2, 2, 1}, {2, 2, 2}}));
REQUIRE(std::is_sorted(
w.cbegin(), w.cend(), LexicographicalCompare<word_type>()));
REQUIRE(std::is_sorted(cbegin_wilo(3, 4, first, last),
cend_wilo(3, 4, first, last),
LexicographicalCompare<word_type>()));
}
LIBSEMIGROUPS_TEST_CASE("wilo" ,
"004" ,
"letters: 3, min: 0, max: 10" ,
"[wilo][quick]" ) {
word_type first = {};
word_type last(10, 2);
auto w = std::vector<word_type>(cbegin_wilo(3, 10, first, last),
cend_wilo(3, 10, first, last));
REQUIRE(w.size() == number_of_words(3, 0, 10));
REQUIRE(w.size() == 29524);
REQUIRE(std::is_sorted(
w.cbegin(), w.cend(), LexicographicalCompare<word_type>()));
REQUIRE(std::is_sorted(cbegin_wilo(3, 10, first, last),
cend_wilo(3, 10, first, last),
LexicographicalCompare<word_type>()));
}
LIBSEMIGROUPS_TEST_CASE("wilo" ,
"005" ,
"letters: 3, min: 0, max: 13" ,
"[wilo][quick][no-valgrind]" ) {
word_type first = {};
word_type last(13, 2);
std::vector<word_type> w(cbegin_wilo(3, 13, first, last),
cend_wilo(3, 13, first, last));
REQUIRE(w.size() == 797161);
REQUIRE(w.size() == number_of_words(3, 0, 13));
REQUIRE(std::is_sorted(
w.cbegin(), w.cend(), LexicographicalCompare<word_type>()));
}
LIBSEMIGROUPS_TEST_CASE("wilo" ,
"006" ,
"forward iterator requirements" ,
"[wilo][quick][no-valgrind]" ) {
word_type first = {};
word_type last(4, 1);
auto it = cbegin_wilo(2, 4, first, last);
REQUIRE(*it == word_type());
++it;
REQUIRE(*it == word_type({0}));
first = {0};
last = word_type(13, 2);
std::vector<word_type> w;
w.reserve(number_of_words(3, 1, 13));
w.insert(w.end(),
cbegin_wilo(3, 13, first, last),
cend_wilo(3, 13, first, last));
REQUIRE(w.size() == number_of_words(3, 1, 13));
REQUIRE(std::is_sorted(
w.cbegin(), w.cend(), LexicographicalCompare<word_type>()));
}
LIBSEMIGROUPS_TEST_CASE("wilo" , "007" , "more corner cases" , "[wilo][quick]" ) {
word_type first = {};
word_type last(10, 0);
auto w = std::vector<word_type>(cbegin_wilo(1, 10, first, last),
cend_wilo(1, 10, first, last));
REQUIRE(w.size() == 10);
REQUIRE(w
== std::vector<word_type>({{},
{0},
{0, 0},
{0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0}}));
w = std::vector<word_type>(cbegin_wilo(0, 0, first, last),
cend_wilo(0, 0, first, last));
REQUIRE(w.size() == 0);
REQUIRE(w.empty());
first = {0, 0};
last = {0, 0, 0, 0};
w = std::vector<word_type>(cbegin_wilo(1, 4, first, last),
cend_wilo(1, 4, first, last));
REQUIRE(w == std::vector<word_type>({{0, 0}, {0, 0, 0}}));
w = std::vector<word_type>(cbegin_wilo(1, 1, first, last),
cend_wilo(1, 1, first, last));
REQUIRE(w == std::vector<word_type>());
w = std::vector<word_type>(cbegin_wilo(1, 5, {0}, {1}),
cend_wilo(1, 5, {0}, {1}));
REQUIRE(w
== std::vector<word_type>({{0}, {0, 0}, {0, 0, 0}, {0, 0, 0, 0}}));
}
LIBSEMIGROUPS_TEST_CASE("wilo" ,
"008" ,
"starting at a given word 1" ,
"[wilo][quick]" ) {
word_type first = {0, 1, 2, 3};
word_type last(5, 4);
auto result = std::vector<word_type>(cbegin_wilo(4, 5, first, last),
cend_wilo(4, 5, first, last));
auto expected = std::vector<word_type>(
std::find(
cbegin_wilo(4, 5, {}, last), cend_wilo(4, 5, {}, last), first),
cend_wilo(4, 5, {}, last));
REQUIRE(result.size() == expected.size());
REQUIRE(result.size() == 303);
REQUIRE(result == expected);
}
LIBSEMIGROUPS_TEST_CASE("wilo" ,
"009" ,
"starting at a given word 2" ,
"[wilo][quick]" ) {
word_type first = {0, 1};
word_type last = {1, 1, 1};
auto result = std::vector<word_type>(cbegin_wilo(2, 3, first, last),
cend_wilo(2, 3, first, last));
REQUIRE(result == std::vector<word_type>({{0, 1}, {1}, {1, 0}, {1, 1}}));
REQUIRE(result.size() == 4);
result = std::vector<word_type>(cbegin_wilo(2, 1, first, last),
cend_wilo(2, 1, first, last));
REQUIRE(result.empty());
}
LIBSEMIGROUPS_TEST_CASE("wilo" , "010" , "code coverage" , "[wilo][quick]" ) {
word_type first = {0, 0, 0};
word_type last = {1, 1, 1, 1};
const_wilo_iterator it;
it = cbegin_wilo(2, 5, first, last);
REQUIRE(*it == word_type({0, 0, 0}));
REQUIRE(it->size() == 3);
REQUIRE(*it++ == word_type({0, 0, 0}));
REQUIRE(*it == word_type({0, 0, 0, 0}));
auto it2 = it;
REQUIRE(it == it2);
it++;
REQUIRE(it2 != it);
REQUIRE(*it == word_type({0, 0, 0, 1}));
REQUIRE(*it2 == word_type({0, 0, 0, 0}));
swap(it, it2);
REQUIRE(it2 != it);
REQUIRE(*it2 == word_type({0, 0, 0, 1}));
REQUIRE(*it == word_type({0, 0, 0, 0}));
std::swap(it, it2);
REQUIRE(it2 != it);
REQUIRE(*it == word_type({0, 0, 0, 1}));
REQUIRE(*it2 == word_type({0, 0, 0, 0}));
it2++;
REQUIRE(it == it2);
REQUIRE(it++ == it2++);
REQUIRE(it == it2);
REQUIRE(++it == ++it2);
}
} // namespace libsemigroups
quality 99%
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet)
¤
*© Formatika GbR, Deutschland