checkVersionsOrder(b, a); // classical
        checkVersionsOrder(b, c); // now b < c, but before MNG-5568, we had b > c
        checkVersionsOrder(a, c);
    }

    /**
     * Test <a href="https://jira.apache.org/jira/browse/MNG-6572">MNG-6572</a> optimization.
     */
    @Test
    void testMng6572() {
        String a = "20190126.230843"; // resembles a SNAPSHOT

    private static final List<String> TRANSLATED_PATH_EXPRESSIONS;

    static {
        List<String> translatedPrefixes = new ArrayList<>();

        // MNG-1927, MNG-2124, MNG-3355:
        // If the build section is present and the project directory is non-null, we should make
        // sure interpolation of the directories below uses translated paths.

                            project.setArtifactId(relocation.getArtifactId());
                        }
                        if (relocation.getVersion() != null) {
                            // note: see MNG-3454. This causes a problem, but fixing it may break more.
                            artifact.setVersionRange(VersionRange.createFromVersion(relocation.getVersion()));
                            relocatedArtifact = artifact;

        VersionRange versionRange;
        try {
            versionRange = VersionRange.createFromVersionSpec(d.getVersion());
        } catch (InvalidVersionSpecificationException e) {
            // MNG-5368: Log a message instead of returning 'null' silently.
            this.logger.error(
                    String.format(

                            for (int j = 0; j < 2; j++) {
                                Artifact resetArtifact = resetNodes[j].getArtifact();

                                // MNG-2123: if the previous node was not a range, then it wouldn't have any available
                                // versions. We just clobbered the selected version above. (why? I have no idea.)

        }

        ArtifactResolutionResult res = collect(createSet(new Object[] {a.artifact, b.artifact}), filter);
        Artifact artifact = getArtifact("d", res.getArtifacts());
        assertNotNull(artifact, "MNG-1895 Dependency was not added to resolution");
        assertEquals(expectedScope, artifact.getScope(), "Check artifactScope");
        assertEquals(expectedVersion, artifact.getVersion(), "Check version");

     * @throws AuthenticationException
     */
    private void connectWagon(Wagon wagon, ArtifactRepository repository)
            throws ConnectionException, AuthenticationException {
        // MNG-5509
        // See org.eclipse.aether.connector.wagon.WagonRepositoryConnector.connectWagon(Wagon)
        if (legacySupport.getRepositorySession() != null) {
            String userAgent = ConfigUtils.getString(

            request.setActiveProfileIds(profileManager.getExplicitlyActivatedIds());
            request.setInactiveProfileIds(profileManager.getExplicitlyDeactivatedIds());
        } else {
            /*
             * MNG-4900: Hack to workaround deficiency of legacy API which makes it impossible for plugins to access the
             * global profile manager which is required to build a POM like a CLI invocation does. Failure to consider

                if (size() == 0) {
                    return 0; // 1-0 = 1- (normalize) = 1
                }
                // Compare the entire list of items with null - not just the first one, MNG-6964
                for (Item i : this) {
                    int result = i.compareTo(null);
                    if (result != 0) {
                        return result;
                    }
                }