96 lines
2.2 KiB
Java
96 lines
2.2 KiB
Java
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 ComplementsCercleTest {
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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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private Point p0 = new Point(0, 0);
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private Point p1 = new Point(3, 4);
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private Point p2 = new Point(-3, -4);
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private Cercle c1;
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private Cercle c2;
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private Cercle c3;
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private Cercle c4;
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@Before
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public void setUp() {
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c1 = new Cercle(p0, 1);
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c2 = new Cercle(p1, p2);
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c3 = new Cercle(p1, p2, Color.MAGENTA);
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c4 = Cercle.creerCercle(p0, p1);
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}
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@Test
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public void testSetRayon() {
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c1.setRayon(10);
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assertEquals(10, c1.getRayon(), EPSILON);
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assertEquals(20, c1.getDiametre(), EPSILON);
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c2.setRayon(10);
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assertEquals(10, c2.getRayon(), EPSILON);
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assertEquals(20, c2.getDiametre(), EPSILON);
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}
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@Test
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public void testSetDiametre() {
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c1.setDiametre(20);
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assertEquals(20, c1.getDiametre(), EPSILON);
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assertEquals(10, c1.getRayon(), EPSILON);
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c3.setDiametre(20);
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assertEquals(20, c3.getDiametre(), EPSILON);
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assertEquals(10, c3.getRayon(), EPSILON);
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}
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@Test
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public void testSetCouleur() {
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c1.setCouleur(Color.RED);
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c3.setCouleur(Color.ORANGE);
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assertEquals(Color.RED, c1.getCouleur());
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assertEquals(Color.ORANGE, c3.getCouleur());
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}
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@Test
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public void testSetCentre() {
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c1.setCentre(new Point(10, 10));
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assertEquals(10, c1.getCentre().getX(), EPSILON);
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assertEquals(10, c1.getCentre().getY(), EPSILON);
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}
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@Test
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public void testTranslater() {
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c1.translater(100, 100);
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assertEquals(100, c1.getCentre().getX(), EPSILON);
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assertEquals(100, c1.getCentre().getY(), EPSILON);
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c1.translater(-50, -150);
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assertEquals( 50, c1.getCentre().getX(), EPSILON);
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assertEquals(-50, c1.getCentre().getY(), EPSILON);
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}
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@Test
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public void testContient() {
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assertTrue(c4.contient(p0));
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assertTrue(c4.contient(p1));
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assertTrue(c4.contient(p2));
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}
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@Test
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public void testPerimetre() {
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assertEquals(2*Math.PI, c1.perimetre(), EPSILON);
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assertEquals(10*Math.PI, c2.perimetre(), EPSILON);
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}
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@Test
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public void testAire() {
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assertEquals(Math.PI, c1.aire(), EPSILON);
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assertEquals(25*Math.PI, c2.aire(), EPSILON);
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}
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}
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