PersistedToolchains pt = new PersistedToolchains();
        merger.merge(pt, null, null);
        merger.merge(null, pt, null);
    }

    @Test
    void testMergeJdk() throws Exception {
        try (InputStream isDominant = MavenToolchainMergerTest.class.getResourceAsStream("toolchains-jdks.xml");
                InputStream isRecessive = MavenToolchainMergerTest.class.getResourceAsStream("toolchains-jdks.xml")) {

     * Verifies that CopyOnWriteArrayList handles concurrent modifications safely.
     */
    @Test
    public void test_concurrentSearcherRegistration() throws Exception {
        final int numThreads = 10;
        final int searchersPerThread = 5;
        final CountDownLatch startLatch = new CountDownLatch(1);
        final CountDownLatch endLatch = new CountDownLatch(numThreads);

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api.services;

/**
 * Exception thrown when toolchain factory operations fail.
 *
 * <p>This exception wraps errors that occur during toolchain creation or initialization.</p>
 */
public class ToolchainFactoryException extends MavenException {

    @Mock
    private CIFSContext mockContext;

    @Mock
    private Configuration mockConfig;

    private MockWitnessService mockService;

    @BeforeEach
    void setUp() throws Exception {
        mockService = new MockWitnessService();
        mockService.start();

        // Setup mock configuration with lenient stubbing
        lenient().when(mockContext.getConfig()).thenReturn(mockConfig);

        // Should not throw exception
        lenientService.updatePreauthHash("non-existent", "test".getBytes());

        // With enforcement enabled, should throw exception
        assertThrows(CIFSException.class, () -> {
            preauthService.updatePreauthHash("non-existent", "test".getBytes());
        });

    public GroovyEngine groovyEngine;

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
        groovyEngine = new GroovyEngine();
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        if (groovyEngine != null) {
            groovyEngine.close();
        }
        ComponentUtil.setFessConfig(null);

 * the License.
 */

package com.google.common.eventbus;

import static com.google.common.base.Preconditions.checkNotNull;

import java.lang.reflect.Method;

/**
 * Context for an exception thrown by a subscriber.
 *
 * @since 16.0
 */
public class SubscriberExceptionContext {
  private final EventBus eventBus;
  private final Object event;
  private final Object subscriber;

    }

    @AfterClass
    public static void afterClass() throws Exception {
        runner.close();
        runner.clean();
    }

    @Before
    public void setUp() {
        // Setup for each test
    }

    @Test
    public void testPrivateConstructor() throws Exception {
        // Test that SuggestUtil has a private constructor to prevent instantiation

                    } catch (final Exception ex) {
                        log.debug("Failed to initialize handler " + className, ex);
                    }
                    if (handler != null) {
                        break;
                    }
                }
            }
            if (handler == null) {
                throw new IOException("Unable to find default handler for protocol: " + protocol);

        assertNotNull(collector.getProblems());
        assertEquals(0, collector.getProblems().size());

        collector.add(null, "MESSAGE1", -1, -1, null);

        Exception e2 = new Exception();
        collector.add(Severity.WARNING, null, 42, 127, e2);

        assertEquals(2, collector.getProblems().size());

        Problem p1 = collector.getProblems().get(0);