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/*
* libopenraw - option.t.cpp
*
* Copyright (C) 2017 Hubert Figuière
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
/** @brief unit test for option */
#include <boost/test/minimal.hpp>
#include <stdlib.h>
#include <string>
#include "option.hpp"
int test_main( int, char *[] ) // note the name!
{
Option<std::string> result;
// Default, option is empty
BOOST_CHECK(result.empty());
bool unwrapped = false;
try {
result.unwrap();
unwrapped = true;
} catch(std::runtime_error&) {
BOOST_CHECK(true);
} catch(...) {
BOOST_CHECK(false);
}
BOOST_CHECK(!unwrapped);
BOOST_CHECK(result.empty());
// Option with value
result = Option<std::string>("hello world");
BOOST_CHECK(!result.empty());
BOOST_CHECK(result.ok());
BOOST_CHECK(result.unwrap() == "hello world");
BOOST_CHECK(result.empty());
BOOST_CHECK(!result.ok());
// try unwrapping again
unwrapped = false;
try {
result.unwrap();
unwrapped = true;
} catch(std::runtime_error&) {
BOOST_CHECK(true);
} catch(...) {
BOOST_CHECK(false);
}
BOOST_CHECK(!unwrapped);
BOOST_CHECK(result.empty());
BOOST_CHECK(result.unwrap_or("good bye") == "good bye");
return 0;
}
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