assertNotEquals(v1, v2, "expected " + v1 + " != " + v2);
            assertNotEquals(v2, v1, "expected " + v2 + " != " + v1);
        } else if (expected < 0) {
            assertEquals(-1, Integer.signum(v1.compareTo(v2)), "expected " + v1 + " < " + v2);
            assertEquals(1, Integer.signum(v2.compareTo(v1)), "expected " + v2 + " > " + v1);
            assertNotEquals(v1, v2, "expected " + v1 + " != " + v2);

 * under the License.
 */
package org.apache.maven.model;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;

/**
 * Tests {@code Model}.
 *
 */
class ModelTest {

    @Test