package de.hsel.sqs;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

/**
 * @author Johannes Theiner
 * @version 0.1
 * @since 0.1
 **/
public class WhiteboxTest {

    @Test
    public void instruction() {
        TriangleChecker tc = new TriangleChecker();
        assertEquals(TriangleType.NO_TRIANGLE, TriangleChecker.checkTriangle(-1, 2, 5));
        assertEquals(TriangleType.EQUILATERAL_TRIANGLE, TriangleChecker.checkTriangle(5, 5, 5));
        assertEquals(TriangleType.ISOSCELESS_TRIANGLE, TriangleChecker.checkTriangle(3, 3, 4));
        assertEquals(TriangleType.SCALENE_TRIANGLE, TriangleChecker.checkTriangle(7, 15, 10));
    }

    @Test
    public void branch() {
        TriangleChecker tc = new TriangleChecker();
        assertEquals(TriangleType.NO_TRIANGLE, TriangleChecker.checkTriangle(-1, 5, 3));
        assertEquals(TriangleType.EQUILATERAL_TRIANGLE, TriangleChecker.checkTriangle(5, 5, 5));
        assertEquals(TriangleType.ISOSCELESS_TRIANGLE, TriangleChecker.checkTriangle(2, 2, 3));
        assertEquals(TriangleType.SCALENE_TRIANGLE, TriangleChecker.checkTriangle(7, 15, 10));
        assertEquals(TriangleType.NO_TRIANGLE, TriangleChecker.checkTriangle(7, 18, 10));
    }

    @Test
    public void defined() {
        TriangleChecker tc = new TriangleChecker();
        assertEquals(TriangleType.ISOSCELESS_TRIANGLE, TriangleChecker.checkTriangle(1, 5, 5));
        assertEquals(TriangleType.NO_TRIANGLE, TriangleChecker.checkTriangle(-1, 5, 3));
        assertEquals(TriangleType.NO_TRIANGLE, TriangleChecker.checkTriangle(7, 0, 9));
        assertEquals(TriangleType.NO_TRIANGLE, TriangleChecker.checkTriangle(2, 6, -2));

        assertEquals(TriangleType.EQUILATERAL_TRIANGLE, TriangleChecker.checkTriangle(5, 5, 5));
        assertEquals(TriangleType.ISOSCELESS_TRIANGLE, TriangleChecker.checkTriangle(5, 5, 3));
        assertEquals(TriangleType.ISOSCELESS_TRIANGLE, TriangleChecker.checkTriangle(6, 4, 6));

        assertEquals(TriangleType.ISOSCELESS_TRIANGLE, TriangleChecker.checkTriangle(2, 2, 3));
        assertEquals(TriangleType.ISOSCELESS_TRIANGLE, TriangleChecker.checkTriangle(5, 7, 5));
        assertEquals(TriangleType.ISOSCELESS_TRIANGLE, TriangleChecker.checkTriangle(5, 3, 3));
        assertEquals(TriangleType.SCALENE_TRIANGLE, TriangleChecker.checkTriangle(4, 3, 5));

        assertEquals(TriangleType.NO_TRIANGLE, TriangleChecker.checkTriangle(4, 2, 7));
        assertEquals(TriangleType.NO_TRIANGLE, TriangleChecker.checkTriangle(4, 8, 3));
        assertEquals(TriangleType.NO_TRIANGLE, TriangleChecker.checkTriangle(10, 4, 3));
        assertEquals(TriangleType.SCALENE_TRIANGLE, TriangleChecker.checkTriangle(7, 15, 10));
    }
}