checkVersionsOrder(c, d);
        checkVersionsOrder(b, d);
        checkVersionsOrder(a, d);
    }

    /**
     * Test all versions are equal when starting with many leading zeroes regardless of string length
     * (related to MNG-6572 optimization)
     */
    @Test
    void testVersionEqualWithLeadingZeroes() {
        // versions with string lengths from 1 to 19

        MavenProject clonedProject = projectToClone.clone();
        assertEquals(projectToClone.getFile(), clonedProject.getFile(), "POM file is preserved across clone");
        assertEquals(
                projectToClone.getBasedir(), clonedProject.getBasedir(), "Base directory is preserved across clone");
    }

    @Test
    void testUndefinedOutputDirectory() throws Exception {
        MavenProject p = new MavenProject();

                        // MNG-2861: the artifact data has changed. If the available versions where previously
                        // retrieved, we need to update it.
                        // TODO shouldn't the versions be merged across relocations?
                        List<ArtifactVersion> available = artifact.getAvailableVersions();
                        if (available != null && !available.isEmpty()) {

            // that the temporary file is in the same file system as the destination because the
            // File.renameTo operation doesn't really work across file systems.
            // So we will attempt to do a File.renameTo for efficiency and atomicity, if this fails
            // then we will use a brute force copy and delete the temporary file.

        // I'm fully aware that the file could just be moved using File.rename but
        // there are bugs in various JVM that have problems doing this across
        // different filesystem. So we'll incur the small hit to actually copy
        // here and be safe. jvz.
        // ----------------------------------------------------------------------------

        try {