106 lines
3 KiB
Java
106 lines
3 KiB
Java
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import org.junit.*;
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import java.awt.Color;
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import static org.junit.Assert.*;
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/**
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* Programme de test de la classe Cercle.
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*/
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public class CercleTest {
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public static final double EPSILON = 1e-6;
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// précision pour la comparaison entre réels.
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/** Vérifier si deux points ont mêmes coordonnées.
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* @param p1 le premier point
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* @param p2 le deuxième point
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*/
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static void memesCoordonnees(Point p1, Point p2) {
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assertEquals(p1.getX(), p2.getX(), EPSILON);
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assertEquals(p1.getY(), p2.getY(), EPSILON);
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}
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private Point p_0 = new Point(0, 0);
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private Point p_pp = new Point(3, 4);
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private Point p_pm = new Point(3, -4);
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private Point p_mm = new Point(-3, -4);
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private Point p_mp = new Point(-3, 4);
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private Cercle[] c12a = {new Cercle(p_pp, p_mm),
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new Cercle(p_pm, p_mp),
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new Cercle(p_mp, p_pm),
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new Cercle(p_mm, p_pp)};
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private Cercle[] c12b = {new Cercle(p_pp, p_pm),
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new Cercle(p_pm, p_mm),
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new Cercle(p_mm, p_mp),
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new Cercle(p_mp, p_pp)};
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private Cercle[] c13 = {new Cercle(p_pp, p_mm, Color.RED),
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new Cercle(p_pm, p_mp, Color.GREEN),
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new Cercle(p_mp, p_pm, Color.WHITE),
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new Cercle(p_mm, p_pp, Color.BLACK)};
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private Cercle[] c14 = {Cercle.creerCercle(p_0, p_pp),
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Cercle.creerCercle(p_0, p_pm),
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Cercle.creerCercle(p_0, p_mp),
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Cercle.creerCercle(p_0, p_mm)};
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@Test
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public void testE12a() {
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for (Cercle c : c12a) {
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assertNotNull(c);
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assertEquals(5, c.getRayon(), EPSILON);
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assertEquals(10, c.getDiametre(), EPSILON);
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memesCoordonnees(p_0, c.getCentre());
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assertTrue(c.getCouleur() == Color.BLUE);
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}
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}
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@Test
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public void testE12b() {
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for (Cercle c : c12b) {
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assertNotNull(c);
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assertTrue(c.getCouleur() == Color.BLUE);
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}
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assertEquals(4, c12b[0].getRayon(), EPSILON);
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assertEquals(8, c12b[0].getDiametre(), EPSILON);
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assertEquals(3, c12b[1].getRayon(), EPSILON);
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assertEquals(6, c12b[1].getDiametre(), EPSILON);
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assertEquals(4, c12b[2].getRayon(), EPSILON);
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assertEquals(8, c12b[2].getDiametre(), EPSILON);
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assertEquals(3, c12b[3].getRayon(), EPSILON);
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assertEquals(6, c12b[3].getDiametre(), EPSILON);
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memesCoordonnees(new Point(3, 0), c12b[0].getCentre());
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memesCoordonnees(new Point(0, -4), c12b[1].getCentre());
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memesCoordonnees(new Point(-3, 0), c12b[2].getCentre());
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memesCoordonnees(new Point(0, 4), c12b[3].getCentre());
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}
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@Test
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public void testE13() {
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for (Cercle c : c13) {
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assertNotNull(c);
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assertEquals(5, c.getRayon(), EPSILON);
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assertEquals(10, c.getDiametre(), EPSILON);
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memesCoordonnees(p_0, c.getCentre());
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}
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assertTrue(c13[0].getCouleur() == Color.RED);
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assertTrue(c13[1].getCouleur() == Color.GREEN);
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assertTrue(c13[2].getCouleur() == Color.WHITE);
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assertTrue(c13[3].getCouleur() == Color.BLACK);
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}
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@Test
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public void testE14() {
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for (Cercle c : c14) {
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assertNotNull(c);
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assertEquals(5, c.getRayon(), EPSILON);
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assertEquals(10, c.getDiametre(), EPSILON);
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memesCoordonnees(p_0, c.getCentre());
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assertTrue(c.getCouleur() == Color.BLUE);
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}
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}
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}
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