public void run() throws Exception {
    File socketFile = new File("/tmp/ClientAndServer.sock");
    socketFile.delete(); // Clean up from previous runs.

    MockWebServer server = new MockWebServer();
    server.setServerSocketFactory(new UnixDomainServerSocketFactory(socketFile));
    server.setProtocols(Collections.singletonList(Protocol.H2_PRIOR_KNOWLEDGE));
    server.enqueue(new MockResponse().setBody("hello"));
    server.start();

    StringBuilder builder = new StringBuilder();
    Writer writer = new AppendableWriter(builder);

    writer.append("Hello,");
    writer.append(' ');
    writer.append("The World Wide Web", 4, 9);
    writer.append("!");

    assertEquals("Hello, World!", builder.toString());
  }

  public void testCloseFlush() throws IOException {
    SpyAppendable spy = new SpyAppendable();

        MojoExecutionScope scope = new MojoExecutionScope();
        scope.enter();

        final AtomicInteger beforeExecution = new AtomicInteger();
        final AtomicInteger afterExecutionSuccess = new AtomicInteger();
        final AtomicInteger afterExecutionFailure = new AtomicInteger();
        final WeakMojoExecutionListener instance = new WeakMojoExecutionListener() {
            @Override

            throw new IOException("Unable to prompt", e);
        }
    }

    @Override
    public String readPassword() throws IOException {
        try {
            return prompter.promptForPassword(null);
        } catch (org.apache.maven.api.services.PrompterException e) {
            throw new IOException("Unable to prompt", e);
        }
    }

    @Override

        // This test demonstrates the difference between the old broken behavior and the new fixed behavior

        Model model = new Model();
        model.setGroupId("test.group");
        model.setArtifactId("test-artifact");
        model.setVersion("1.0.0");

        Build build = new Build();
        model.setBuild(build);

        Plugin originalPlugin = new Plugin();
        originalPlugin.setGroupId("org.apache.maven.plugins");

    @Test
    void testHashCodeNullSafe() {
        new DependencyManagement().hashCode();
    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(new DependencyManagement().equals(null));

        new DependencyManagement().equals(new DependencyManagement());
    }

    @Test
    void testEqualsIdentity() {
        DependencyManagement thing = new DependencyManagement();

        if (args.length < 3 || args.length > 4) {
            throw new IllegalArgumentException("USAGE: <style-sheet> <source-file> <dest-file> [dest-dir]");
        }
        File stylesheet = new File(args[0]);
        File source = new File(args[1]);
        File dest = new File(args[2]);
        String destDir = "";
        if (args.length > 3) {
            destDir = args[3];
        }

            // TODO Hack to make the cycle detection the same for the new graph builder
            if (e.getCause() instanceof ProjectCycleException) {
                result = addExceptionToResult(new DefaultMavenExecutionResult(), e.getCause());
            } else {
                result = addExceptionToResult(
                        new DefaultMavenExecutionResult(), new InternalErrorException("Internal error: " + e, e));
            }

    private setup() {
        docsRoot = new File(projectDir, "docsRoot")
        new File(docsRoot, 'javadoc').mkdirs()
        sampleDoc = new File(docsRoot, "sample.adoc")

        new File(projectDir,"build/working/samples/docs").mkdirs()
        sampleSampleDoc = new File(projectDir, "build/working/samples/docs/sample_sample.adoc")

        new File(projectDir,"build/working/release-notes").mkdirs()

        Set<String> scopesToCollect = new TreeSet<>();
        Set<String> scopesToResolve = new TreeSet<>();

        collectDependencyRequirements(scopesToResolve, scopesToCollect, mojoExecutions);

        return new DependencyContext(session.getCurrentProject(), scopesToCollect, scopesToResolve);
    }