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// ----------------------------------------------------------------------------
// - Open3D: www.open3d.org -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.open3d.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
#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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