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allwpilib/wpilibc/src/test/native/cpp/simulation/AnalogEncoderSimTest.cpp

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2020-08-19 22:59:52 -07:00
/*----------------------------------------------------------------------------*/
/* Copyright (c) 2020 FIRST. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
/*----------------------------------------------------------------------------*/
#include <hal/HAL.h>
#include <units/math.h>
#include <wpi/math>
#include "frc/AnalogEncoder.h"
#include "frc/AnalogInput.h"
#include "frc/simulation/AnalogEncoderSim.h"
#include "gtest/gtest.h"
#define EXPECT_NEAR_UNITS(val1, val2, eps) \
EXPECT_LE(units::math::abs(val1 - val2), eps)
TEST(AnalogEncoderSimTest, TestBasic) {
frc::AnalogInput ai(0);
frc::AnalogEncoder encoder{ai};
frc::sim::AnalogEncoderSim encoderSim{encoder};
encoderSim.SetPosition(180_deg);
EXPECT_NEAR(encoder.Get().to<double>(), 0.5, 1E-8);
EXPECT_NEAR(encoderSim.GetTurns().to<double>(), 0.5, 1E-8);
EXPECT_NEAR(encoderSim.GetPosition().Radians().to<double>(), wpi::math::pi,
1E-8);
}