package com.evsuite.abrp;

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

import org.junit.Test;

/** Seven-segment digits for the Retro style — pure JVM. */
public class SevenSegmentTest {

    @Test
    public void digitsLightTheRightSegments() {
        assertEquals(SevenSegment.ALL, SevenSegment.mask('8'));
        assertEquals(SevenSegment.B | SevenSegment.C, SevenSegment.mask('1'));
        assertEquals(SevenSegment.ALL & ~SevenSegment.G, SevenSegment.mask('0'));
        assertEquals(SevenSegment.G, SevenSegment.mask('-'));
        assertEquals(0, SevenSegment.mask(' '));
        assertEquals(0, SevenSegment.mask('x'));
    }

    @Test
    public void textIsRightAligned() {
        assertArrayEquals(new char[] { ' ', '8', '7' }, SevenSegment.cells("87", 3));
        assertArrayEquals(new char[] { '1', '2', '3' }, SevenSegment.cells("9123", 3));
        assertArrayEquals(new char[] { ' ', ' ', ' ' }, SevenSegment.cells(null, 3));
    }

    @Test
    public void decimalPointsFoldIntoTheDigitBefore() {
        assertArrayEquals(new char[] { '1', '5', '8' }, SevenSegment.cells("15.8", 3));
        assertArrayEquals(new boolean[] { false, true, false }, SevenSegment.dots("15.8", 3));
        assertArrayEquals(new boolean[] { false, false, true, false }, SevenSegment.dots("5.8", 4));
        assertArrayEquals(new boolean[] { false, false }, SevenSegment.dots("42", 2));
    }
}