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// Copyright (c) Signal Estimator authors
// Licensed under MIT
#include "processing/MovDev.hpp"
#include <gtest/gtest.h>
using namespace signal_estimator;
namespace {
// Trying to get the average and maximum deviation with an empty window
TEST(MovDevTest, EmptyWindow) {
MovDev<double> movdev(5);
EXPECT_DOUBLE_EQ(movdev.avg(), 0);
EXPECT_DOUBLE_EQ(movdev.max(), 0);
}
// The test verifies that the MovDev class correctly calculates the mean and maximum
// deviation from the mean.
TEST(MovDevTest, AvgAndMax) {
MovDev<int> movdev(3);
movdev.add(4);
movdev.add(6);
movdev.add(7);
EXPECT_EQ(movdev.avg(), 1);
EXPECT_EQ(movdev.max(), 2);
}
// The test verifies that the MovDev object correctly calculates the mean and maximum
// absolute deviation in the case where the window is equal to the buffer size.
TEST(MovDevTest, FullWindow) {
const size_t window_sz = 3;
MovDev<double> movdev(window_sz);
movdev.add(1);
movdev.add(2);
movdev.add(3);
EXPECT_DOUBLE_EQ(movdev.avg(), 0.66666666666666663);
EXPECT_DOUBLE_EQ(movdev.max(), 1);
}
// The test checks that the MovDev object correctly handles the case where no values have
// been added to it and returns the expected values of 0
TEST(MovDevTest, GetAvgAndMaxWhenEmpty) {
const size_t window_sz = 3;
MovDev<double> movdev(window_sz);
EXPECT_DOUBLE_EQ(movdev.avg(), 0);
EXPECT_DOUBLE_EQ(movdev.max(), 0);
}
} // namespace
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