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

    void testReadModifiedPoms(@TempDir Path tempDir) throws Exception {
        // TODO a similar test should be created to test the dependency management (basically all usages
        // of DefaultModelBuilder.getCache() are affected by MNG-6530

        FileUtils.copyDirectoryStructure(new File("src/test/resources/projects/grandchild-check"), tempDir.toFile());

        MavenSession mavenSession = createMavenSession(null);

    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.

 * <tr><td><code>reactorProjects</code></td>   <td></td>               <td>{@link MavenSession#getProjects()}</td></tr>
 * <tr><td><code>repositorySystemSession</code></td><td> (since Maven 3)</td>

    }

    @Override
    public boolean isResolveDependencies() {
        return resolveDependencies;
    }

    /**
     * @since 3.2.2
     * @deprecated This got added when implementing MNG-2199 and is no longer used.
     * Commit 6cf9320942c34bc68205425ab696b1712ace9ba4 updated the way 'MavenProject' objects are initialized.
     */
    @Deprecated
    @Override

                    && versionRangeResult.getVersionConstraint().getRange().getUpperBound() == null) {
                // Message below is checked for in the MNG-2199 core IT.
                throw new UnresolvableModelException(
                        String.format(
                                "The requested parent version range '%s' does not specify an upper bound",

                    && versionRangeResult.getVersionConstraint().getRange().getUpperBound() == null) {
                // Message below is checked for in the MNG-2199 core IT.
                throw new UnresolvableModelException(
                        String.format(
                                "The requested parent version range '%s' does not specify an upper bound",

            }

            Map<String, Artifact> map = new HashMap<>();
            for (Artifact artifact : resolvedArtifacts) {
                /**
                 * MNG-6300: resolvedArtifacts can be cache result; this ensures reactor files are always up-to-date
                 * During lifecycle the Artifact.getFile() can change from target/classes to the actual jar.

                        .activeRequiredProjects(MODULE_C_2)
                        .resumeFrom(MODULE_B)
                        .makeBehavior(REACTOR_MAKE_UPSTREAM)
                        .expectResult(PARENT_MODULE, MODULE_C, MODULE_A, MODULE_B, MODULE_C_2),
                scenario("Selected project with resume from and also make dependent (MNG-4960 IT#2)")

            projectsMap.put(projectKey, p);
        }

        for (MavenProject project : projects) {
            // MNG-1911 / MNG-5572: Building plugins with extensions cannot be part of reactor
            for (Plugin plugin : project.getBuildPlugins()) {
                if (plugin.isExtensions()) {
                    String pluginKey =