package com.evsuite.abrp;

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

import org.junit.Test;

/** The time circuits' fourteen-segment letters — pure JVM. */
public class Segments14Test {

    @Test
    public void everyMonthAndGearWordLightsEveryLetter() {
        for (int m = 0; m < 12; m++) {
            for (char ch : Segments14.month(m).toCharArray()) assertNotEquals(ch + "", 0, Segments14.mask(ch));
        }
        for (int g = 1; g <= 4; g++) {
            for (char ch : Segments14.gearWord(g).toCharArray()) assertNotEquals(ch + "", 0, Segments14.mask(ch));
        }
    }

    @Test
    public void unreadIsDashes() {
        assertEquals("---", Segments14.gearWord(null));
        assertEquals("---", Segments14.gearWord(9));
        assertEquals("---", Segments14.month(12));
        assertEquals(Segments14.G1 | Segments14.G2, Segments14.mask('-'));
        assertEquals(0, Segments14.mask(' '));
    }

    @Test
    public void wordsAsTheCircuitsShowThem() {
        assertEquals("OCT", Segments14.month(9));
        assertEquals("DRV", Segments14.gearWord(4));
        assertEquals("PRK", Segments14.gearWord(1));
        // The letters that need the diagonals do use them.
        assertNotEquals(0, Segments14.mask('N') & Segments14.H);
        assertNotEquals(0, Segments14.mask('V') & Segments14.K);
    }
}