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/**
* Copyright (C) 2015 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#include <string>
#include <vector>
#include "mongo/base/status_with.h"
#include "mongo/base/string_data.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/assert_util.h"
namespace {
using mongo::makeStatusWith;
using mongo::StatusWith;
TEST(StatusWith, makeStatusWith) {
using mongo::StringData;
auto s1 = makeStatusWith<int>(3);
ASSERT_TRUE(s1.isOK());
ASSERT_EQUALS(uassertStatusOK(s1), 3);
auto s2 = makeStatusWith<std::vector<int>>();
ASSERT_TRUE(s2.isOK());
ASSERT_EQUALS(uassertStatusOK(s2).size(), 0u);
std::vector<int> i = {1, 2, 3};
auto s3 = makeStatusWith<std::vector<int>>(i.begin(), i.end());
ASSERT_TRUE(s3.isOK());
ASSERT_EQUALS(uassertStatusOK(s3).size(), 3u);
auto s4 = makeStatusWith<std::string>("foo");
ASSERT_TRUE(s4.isOK());
ASSERT_EQUALS(uassertStatusOK(s4), std::string{"foo"});
const char* foo = "barbaz";
auto s5 = makeStatusWith<StringData>(foo, std::size_t{6});
ASSERT_TRUE(s5.isOK());
// make sure CV qualifiers trigger correct overload
const StatusWith<StringData>& s6 = s5;
ASSERT_EQUALS(uassertStatusOK(s6), foo);
StatusWith<StringData>& s7 = s5;
ASSERT_EQUALS(uassertStatusOK(s7), foo);
ASSERT_EQUALS(uassertStatusOK(std::move(s5)), foo);
// Check that we use T(...) and not T{...}
// ASSERT_EQUALS requires an ostream overload for vector<int>
ASSERT_TRUE(makeStatusWith<std::vector<int>>(1, 2) == std::vector<int>{2});
}
TEST(StatusWith, nonDefaultConstructible) {
class NoDefault {
NoDefault() = delete;
public:
NoDefault(int x) : _x{x} {};
int _x{0};
};
auto swND = makeStatusWith<NoDefault>(1);
ASSERT_TRUE(swND.getValue()._x = 1);
auto swNDerror = StatusWith<NoDefault>(mongo::ErrorCodes::BadValue, "foo");
ASSERT_FALSE(swNDerror.isOK());
}
} // namespace
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