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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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 <utility>
#include <vector>
#include "mongo/base/error_codes.h"
#include "mongo/base/status.h"
#include "mongo/base/status_with.h"
#include "mongo/base/string_data.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/assert_util.h"
namespace mongo {
namespace {
TEST(StatusWith, MakeCtad) {
auto validate = [](auto&& arg) {
auto sw = StatusWith(arg);
ASSERT_TRUE(sw.isOK());
ASSERT_TRUE(uassertStatusOK(sw) == arg);
using Arg = std::decay_t<decltype(arg)>;
return std::is_same_v<decltype(sw), StatusWith<Arg>>;
};
ASSERT_TRUE(validate(3));
ASSERT_TRUE(validate(false));
ASSERT_TRUE(validate(123.45));
ASSERT_TRUE(validate(std::string("foo")));
ASSERT_TRUE(validate(std::vector<int>()));
ASSERT_TRUE(validate(std::vector<int>({1, 2, 3})));
}
/** Check uassertStatusOK with various reference types */
TEST(StatusWith, UassertStatusOKReferenceTypes) {
auto sd = "barbaz"_sd;
auto sw = StatusWith(sd);
const StatusWith<StringData>& cref = sw;
ASSERT_EQUALS(uassertStatusOK(cref), sd);
StatusWith<StringData>& ncref = sw;
ASSERT_EQUALS(uassertStatusOK(ncref), sd);
StatusWith<StringData>&& rref = std::move(sw);
ASSERT_EQUALS(uassertStatusOK(std::move(rref)), sd);
}
TEST(StatusWith, nonDefaultConstructible) {
class NoDefault {
public:
NoDefault() = delete;
NoDefault(int x) : x{x} {}
int x;
};
auto swND = StatusWith(NoDefault(1));
ASSERT_EQ(swND.getValue().x, 1);
auto swNDerror = StatusWith<NoDefault>(ErrorCodes::BadValue, "foo");
ASSERT_FALSE(swNDerror.isOK());
}
TEST(StatusWith, ignoreTest) {
// A compile-only test
[] {
return StatusWith(false);
}()
.getStatus()
.ignore();
}
} // namespace
} // namespace mongo
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