mirror of
https://github.com/mhx/dwarfs.git
synced 2025-08-04 02:06:22 -04:00
45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
/* vim:set ts=2 sw=2 sts=2 et: */
|
|
/**
|
|
* \author Marcus Holland-Moritz (github@mhxnet.de)
|
|
* \copyright Copyright (c) Marcus Holland-Moritz
|
|
*
|
|
* This file is part of dwarfs.
|
|
*
|
|
* dwarfs 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.
|
|
*
|
|
* dwarfs 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 dwarfs. If not, see <https://www.gnu.org/licenses/>.
|
|
*
|
|
* SPDX-License-Identifier: GPL-3.0-only
|
|
*/
|
|
|
|
#include <gmock/gmock.h>
|
|
#include <gtest/gtest.h>
|
|
|
|
#include <dwarfs/internal/lazy_value.h>
|
|
|
|
using namespace dwarfs;
|
|
|
|
TEST(lazy_value_test, basic) {
|
|
int num_calls = 0;
|
|
lazy_value<int> v([&] {
|
|
++num_calls;
|
|
return 42;
|
|
});
|
|
EXPECT_EQ(0, num_calls);
|
|
EXPECT_EQ(42, v.get());
|
|
EXPECT_EQ(1, num_calls);
|
|
EXPECT_EQ(42, v.get());
|
|
EXPECT_EQ(1, num_calls);
|
|
EXPECT_EQ(42, v());
|
|
EXPECT_EQ(1, num_calls);
|
|
}
|