package com.evsuite.abrp;

import static org.junit.Assert.assertEquals;

import org.junit.Test;

/** Tyre pressure display units — pure JVM. */
public class PressureUnitTest {

    @Test
    public void kpaFromTheCarInEachUnit() {
        assertEquals("2.5 bar", PressureUnit.BAR.format(250f));
        assertEquals("250 kPa", PressureUnit.KPA.format(250f));
        assertEquals("36.3 psi", PressureUnit.PSI.format(250f));
    }

    @Test
    public void anUnreadPressureStaysADash() {
        assertEquals("—", PressureUnit.BAR.format(null));
        assertEquals("—", PressureUnit.PSI.format(Float.NaN));
    }

    @Test
    public void barUnlessSomethingElseWasChosen() {
        assertEquals(PressureUnit.BAR, PressureUnit.fromPref(null));
        assertEquals(PressureUnit.BAR, PressureUnit.fromPref("nonsense"));
        assertEquals(PressureUnit.PSI, PressureUnit.fromPref("PSI"));
    }
}