import org.junit.Test;
import static org.junit.Assert.*;
public class TestSuite {
@Test
public void lineRotationTest() {
Line line = new Line(-0.5, 0.5, 0.5, 0.5);
line.rotate(Math.PI / 2);
assertEquals(new Line(-0.5, -0.5, -0.5, 0.5), line);
}