cc/algorithms/gaussian-dp-calculator_test.cc

//
// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#include "algorithms/gaussian-dp-calculator.h"

#include "gmock/gmock.h"
#include "gtest/gtest.h"

namespace differential_privacy {
namespace {

using ::testing::Gt;

TEST(GaussianDpCalculatorTest,
     CalculateDeltaForGaussianStddevReturnsPositiveValue) {
  const double epsilon = std::log(3);
  const double l2_sensitivity = 5.2;
  const double stddev = 1.3;
  EXPECT_THAT(CalculateDeltaForGaussianStddev(epsilon, l2_sensitivity, stddev),
              Gt(0));
}

}  // namespace
}  // namespace differential_privacy