//
// 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 "catch.hpp" // for REQUIRE etc
#include "test-main.hpp" // for LIBSEMIGROUPS_TEST_CASE
#include "libsemigroups/types.hpp" // for word_type
#include "libsemigroups/word.hpp" // for number_of_words
namespace libsemigroups {
LIBSEMIGROUPS_TEST_CASE(
"number_of_words",
"001",
"",
"[quick]") {
REQUIRE(39 == number_of_words(3, 1, 4));
REQUIRE(29524 == number_of_words(3, 0, 10));
REQUIRE(32 == number_of_words(2, 5, 6));
REQUIRE(797161 == number_of_words(3, 0, 13));
REQUIRE(number_of_words(2, 4, 1) == 0);
REQUIRE(number_of_words(2, 4, 4) == 0);
REQUIRE(number_of_words(2, 4, 2) == 0);
}
LIBSEMIGROUPS_TEST_CASE(
"string_to_word",
"002",
"",
"[quick]") {
detail::StringToWord string_to_word(
"BCA");
REQUIRE(string_to_word(
"BCABACB") == word_type({0, 1, 2, 0, 2, 1, 0}));
REQUIRE(string_to_word(
"B") == word_type({0}));
REQUIRE(string_to_word(
"C") == word_type({1}));
REQUIRE(string_to_word(
"A") == word_type({2}));
}
LIBSEMIGROUPS_TEST_CASE(
"operator\"\
" _w",
"003",
"literal",
"[quick]") {
using namespace literals;
REQUIRE(0120210_w == word_type({0, 1, 2, 0, 2, 1, 0}));
REQUIRE(0_w == word_type({0}));
REQUIRE(1_w == word_type({1}));
REQUIRE(2_w == word_type({2}));
// Require ""s to avoid interpretation as bad octal.
REQUIRE(
"08"_w == word_type({0, 8}));
}
}
// namespace libsemigroups