chromium/ui/base/prediction/kalman_predictor_unittest.cc

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <vector>

#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/prediction/input_predictor_unittest_helpers.h"
#include "ui/base/prediction/kalman_predictor.h"

namespace ui {
namespace test {
namespace {

constexpr uint32_t kExpectedStableIterNum = …;

struct DataSet { … };

void ValidateSingleKalmanFilter(const DataSet& data) { … }

}  // namespace

class KalmanPredictorTest : public InputPredictorTest { … };

// Test the a single axle kalman filter behavior with preset datas.
TEST_F(KalmanPredictorTest, KalmanFilterPredictedValue) { … }

TEST_F(KalmanPredictorTest, ShouldHasPrediction) { … }

// Tests the kalman predictor constant position.
TEST_F(KalmanPredictorTest, PredictConstantValue) { … }

// Tests the kalman predictor predict constant velocity.
TEST_F(KalmanPredictorTest, PredictLinearValue) { … }

// Tests the kalman predictor predict constant acceleration.
TEST_F(KalmanPredictorTest, PredictQuadraticValue) { … }

// Tests the kalman predictor time interval filter.
TEST_F(KalmanPredictorTest, TimeInterval) { … }

// Test the benefit from the heuristic approach on noisy data.
TEST_F(KalmanPredictorTest, HeuristicApproach) { … }

// Test the kalman predictor prevention of rubber-banding.
TEST_F(KalmanPredictorTest, DirectionalCutOff) { … }

}  // namespace test
}  // namespace ui