package com.evsuite.abrp;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;

import org.junit.Test;

/** The Empire style's ages by odometer — pure JVM. */
public class EmpireAgeTest {

    @Test
    public void agesByOdometer() {
        assertEquals("Dark Age", EmpireAge.name(0f));
        assertEquals("Dark Age", EmpireAge.name(9_999f));
        assertEquals("Feudal Age", EmpireAge.name(10_000f));
        assertEquals("Castle Age", EmpireAge.name(45_000f));
        assertEquals("Imperial Age", EmpireAge.name(60_000f));
        assertEquals("Imperial Age", EmpireAge.name(250_000f));
    }

    @Test
    public void theWayToTheNextAge() {
        assertEquals("Castle Age", EmpireAge.next(12_000f));
        assertEquals(18_000f, EmpireAge.toNext(12_000f), 0.01f);
        assertEquals(0.1f, EmpireAge.progress(12_000f), 0.001f);
        assertEquals(0.5f, EmpireAge.progress(5_000f), 0.001f);
        assertNull(EmpireAge.next(70_000f));
        assertNull(EmpireAge.toNext(70_000f));
        assertEquals(1f, EmpireAge.progress(70_000f), 0f);
    }

    @Test
    public void unreadIsNoAge() {
        assertEquals("—", EmpireAge.name(null));
        assertEquals(-1, EmpireAge.index(Float.NaN));
        assertNull(EmpireAge.next(null));
        assertNull(EmpireAge.toNext(null));
        assertEquals(0f, EmpireAge.progress(null), 0f);
    }
}