InputStream is = new ByteArrayInputStream(input.getBytes(StandardCharsets.UTF_8));

        InputStreamThread thread = new InputStreamThread(is, StandardCharsets.UTF_8, 5, null);
        thread.start();
        thread.join(1000);

        String output = thread.getOutput();
        assertTrue(output.contains("line1"));
        assertTrue(output.contains("line2"));
        assertTrue(output.contains("line3"));
    }

    @Test

        final String jwtClaim = "{\"sub\":\"user123\",\"name\":\"John Doe\",\"email\":\"john@example.com\"}";
        final Map<String, Object> attributes = new HashMap<>();

        authenticator.parseJwtClaim(jwtClaim, attributes);

        assertEquals("user123", attributes.get("sub"));
        assertEquals("John Doe", attributes.get("name"));
        assertEquals("john@example.com", attributes.get("email"));
    }

    @Test

        startLatch.countDown();

        // Wait for writer thread to complete
        writerThread.join(1000);

        // Wait for all reader threads to complete
        for (Thread thread : readerThreads) {
            thread.join(testDurationMs + 1000);
        }

        // Verify that alive was changed to false

        // Start all threads
        for (Thread thread : threads) {
            thread.start();
        }

        // Wait for all threads to complete
        for (Thread thread : threads) {
            thread.join();
        }

        // Verify no exceptions occurred
        for (int i = 0; i < threadCount; i++) {
            assertNull(exceptions[i], "Thread " + i + " threw exception");

        value = "\"John Doe\",\"Software Engineer\",\"john******@****.***\",\"Loves \"\"coding\"\" and coffee\"";
        result = KuromojiCSVUtil.parse(value);
        assertEquals(4, result.length);
        assertEquals("John Doe", result[0]);
        assertEquals("Software Engineer", result[1]);
        assertEquals("john******@****.***", result[2]);

            }
        });

        // Start both threads
        threads[0].start();
        threads[1].start();

        // Wait for completion
        threads[0].join();
        threads[1].join();

        // Verify no exceptions occurred (the main goal is no ConcurrentModificationException)
        assertNull(exceptions[0], "Add thread threw exception");

    }

    @Test
    public void test_user_givenName() {
        final User user = new User();
        assertNull(user.getGivenName());

        user.setGivenName("John");
        assertEquals("John", user.getGivenName());
    }

    @Test
    public void test_user_surname() {
        final User user = new User();
        assertNull(user.getSurname());

        user.setSurname("Doe");

            cmdList.add(StringUtils.join(webConfigIds, ','));
        }
        if (fileConfigIds != null && fileConfigIds.length > 0) {
            cmdList.add("-f");
            cmdList.add(StringUtils.join(fileConfigIds, ','));
        }
        if (dataConfigIds != null && dataConfigIds.length > 0) {
            cmdList.add("-d");
            cmdList.add(StringUtils.join(dataConfigIds, ','));
        }

      <replaceConfiguration name="Join combined with collect" suppressId="join_with_collect" problemDescriptor="Use a `join` method overload" text="$callJoin$($sep$, $callCollect$($src$, $transform$))" recursive="false" caseInsensitive="false" type="JAVA" pattern_context="default" reformatAccordingToStyle="true" shortenFQN="true" useStaticImport="true" replacement="org.gradle.util.internal.CollectionUtils.join($sep$, $src$, $transform$)">

        if (indexUpdater != null && indexUpdater.isAlive()) {
            indexUpdater.setFinishCrawling(true);
            indexUpdater.interrupt();
            indexUpdater.join(1000);
        }
        super.tearDown(testInfo);
    }

    // Test initialization
    @Test
    public void test_init() {
        indexUpdater.init();
        assertNotNull(indexUpdater);
    }