Function FL_TEST_FILE

tests/fl/sensors/potentiometer.cpp:11–324

#include "fl/stl/move.h"

FL_TEST_FILE(FL_FILEPATH) {

using namespace fl;

FL_TEST_CASE("Potentiometer - raw value reading") {
    Potentiometer pot(0);

    // Inject test values directly
    pot.injectTestValue(500);
    FL_CHECK(pot.raw() == 500);

    pot.injectTestValue(750);
    FL_CHECK(pot.raw() == 750);
}

FL_TEST_CASE("Potentiometer - normalized conversion (full range)") {
    Potentiometer pot(0);
    // Default calibration: 0-1023 (10-bit ADC on stub platform)

    // Test minimum
    pot.injectTestValue(0);
    FL_CHECK(pot.normalized() == 0.0f);

    // Test midpoint
    pot.injectTestValue(512);
    FL_CHECK(pot.normalized() == doctest::Approx(512.0f / 1023.0f).epsilon(0.001));

    // Test maximum
    pot.injectTestValue(1023);
    FL_CHECK(pot.normalized() == 1.0f);
}

FL_TEST_CASE("Potentiometer - fractional16 conversion (full range)") {
    Potentiometer pot(0);

    // Test minimum
    pot.injectTestValue(0);
    FL_CHECK(pot.fractional16() == 0);

    // Test midpoint
    pot.injectTestValue(512);
    uint16_t expected = (uint32_t(512) * 65535U) / 1023U;
    FL_CHECK(pot.fractional16() == expected);

    // Test maximum
    pot.injectTestValue(1023);
    FL_CHECK(pot.fractional16() == 65535);
}

FL_TEST_CASE("Potentiometer - calibration range setRange()") {
    Potentiometer pot(0);

    // Set calibration range: 100-900 maps to [0.0, 1.0]
    pot.setRange(100, 900);

    // Test below minimum (should clamp to 0.0)
    pot.injectTestValue(50);
    FL_CHECK(pot.normalized() == 0.0f);