FessUserNotFoundException exception2 = new FessUserNotFoundException("user2");

        // Both instances should be of the same class
        assertEquals(exception1.getClass(), exception2.getClass());
    }

    @Test
    public void test_stackTrace() {
        // Test that the exception has a proper stack trace

        return retVal != null ? retVal : NONE;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        final ArtifactStatus that = (ArtifactStatus) o;

        return rank == that.rank;
    }

    @Override
    public int hashCode() {

    }

    /**
     * @throws Exception
     */
    @Test
    public void testForEachFile() throws Exception {
        final File rootDir = ResourceUtil.getBuildDir(getClass());
        final String path = ResourceUtil.getResourcePath(getClass());
        final int pos = path.lastIndexOf("/");
        final String baseDirectory = path.substring(0, pos);

        return guid.toString();
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null || getClass() != obj.getClass())
            return false;
        HandleGuid that = (HandleGuid) obj;
        return guid.equals(that.guid);
    }

    @Override
    public int hashCode() {
        return guid.hashCode();

        }

        for (Object metadata : result.getMetadata()) {
            if (metadata.getClass().getName().endsWith(".internal.VersionsMetadata")) {
                relatedMetadata.put(versionKey, (MergeableMetadata) metadata);
            }
            if (snapshotKey != null && metadata.getClass().getName().endsWith(".internal.RemoteSnapshotMetadata")) {

            }

            String errorName;
            final Throwable cause = t.getCause();
            if (cause != null) {
                errorName = cause.getClass().getCanonicalName();
            } else {
                errorName = t.getClass().getCanonicalName();
            }
            final FailureUrl failureUrl = storeFailureUrl(crawlerContext, urlQueue, errorName, t);
            if (failureUrl != null) {

import static org.junit.jupiter.api.Assertions.assertNotNull;

class SerializationTest {

    @Test
    void testModelSerialization() throws Exception {
        Model model;
        try (InputStream is = getClass().getResourceAsStream("/xml/pom.xml")) {
            model = new MavenXpp3Reader().read(is);
        }

        // Serialize an inner child here so that the BaseObject.childrenTracking is non null

        // We first check isProxyClass() so that the common case of comparing with non-proxy objects
        // is efficient.
        || (Proxy.isProxyClass(arg.getClass())
            && Arrays.equals(arg.getClass().getInterfaces(), proxyClass.getInterfaces()));
  }

        }

        @Override
        public boolean equals(Object obj) {
            return obj != null && getClass() == obj.getClass() && id().equals(((DefaultExtensibleEnum) obj).id());
        }

        @Override
        public String toString() {
            return getClass().getSimpleName() + "[" + id() + "]";
        }
    }

    /**
     * Implementation of the PathScope interface.
     */

        FessSystemException exception2 = new FessSystemException("Test");

        // Both instances should be of the same class
        assertEquals(exception1.getClass(), exception2.getClass());
    }

    @Test
    public void test_throwAndCatch() {
        // Test throwing and catching the exception
        String expectedMessage = "Expected error";
        try {