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// ----------------------------------------------------------------------------
// - Open3D: www.open3d.org -
// ----------------------------------------------------------------------------
// The MIT License (MIT)
//
// Copyright (c) 2018-2021 www.open3d.org
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
// ----------------------------------------------------------------------------
#include "open3d/utility/Random.h"
#include "tests/Tests.h"
namespace open3d {
namespace tests {
TEST(Random, UniformRandIntGeneratorWithFixedSeed) {
utility::random::Seed(42);
std::array<int, 1024> values;
utility::random::UniformIntGenerator<int> rand_generator(0, 9);
for (auto it = values.begin(); it != values.end(); ++it) {
*it = rand_generator();
}
for (int i = 0; i < 10; i++) {
utility::random::Seed(42);
std::array<int, 1024> new_values;
utility::random::UniformIntGenerator<int> new_rand_generator(0, 9);
for (auto it = new_values.begin(); it != new_values.end(); ++it) {
*it = new_rand_generator();
}
EXPECT_TRUE(values == new_values);
}
}
TEST(Random, UniformRandIntGeneratorWithRandomSeed) {
std::array<int, 1024> values;
utility::random::UniformIntGenerator<int> rand_generator(0, 9);
for (auto it = values.begin(); it != values.end(); ++it) {
*it = rand_generator();
}
for (int i = 0; i < 10; i++) {
std::array<int, 1024> new_values;
utility::random::UniformIntGenerator<int> new_rand_generator(0, 9);
for (auto it = new_values.begin(); it != new_values.end(); ++it) {
*it = new_rand_generator();
}
EXPECT_FALSE(values == new_values);
}
}
} // namespace tests
} // namespace open3d
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