assertTrue(endLatch.await(30, TimeUnit.SECONDS), "All threads should complete within timeout");
        executor.shutdown();

        // Then - Verify no exceptions occurred
        if (!exceptions.isEmpty()) {
            fail("Concurrent operations caused exceptions: " + exceptions.get(0));
        }

        assertEquals(threadCount * opsPerThread, successCount.get(), "All operations should succeed");
    }

    /**

    private File createScriptTempFile(final int sleep) {
        String extention;
        String content;
        if (File.separator.equals("/")) {
            // Unix
            extention = ".sh";
            content = "#!/bin/bash\nsleep " + sleep + ";cp $1 $2";
        } else {
            // Windows
            extention = ".bat";
            content = "ping localhost -n " + sleep + "\r\ncopy %1 %2";
        }

     * @param extension
     *            The extension.
     * @return The resource path.
     */
    public static String getResourcePath(final String path, final String extension) {
        assertArgumentNotNull("path", path);

        if (extension == null) {
            return path;
        }
        final String ext = "." + extension;
        if (path.endsWith(ext)) {

        verify(mockChannelManager, atLeast(1)).establishReplacementChannel();
    }

    @Test
    void testShutdown() {
        failover.shutdown();

        // Should not throw any exceptions
        assertDoesNotThrow(() -> failover.shutdown());
    }

    @Test
    void testConcurrentFailureHandling() throws InterruptedException {
        IOException error = new IOException("Connection failed");

            });
            threads[i].start();
        }

        for (Thread thread : threads) {
            thread.join(1000);
        }

        // Should complete without exceptions
    }

        assertTrue(UniAddress.isAllDigits(""), "isAllDigits should return true for empty string (no non-digits)");
    }

    /* ---------------------------------------------------------------------
     * 4. Exceptions from static methods that don't resolve without stubbing
     * --------------------------------------------------------------------- */
    @Test
    void getAllByNameRejectsNullOrEmptyHostname() {

					</archive>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.apache.felix</groupId>
				<artifactId>maven-bundle-plugin</artifactId>
				<version>6.0.0</version>
				<extensions>true</extensions>

				<configuration>
					<instructions>
						<Bundle-Version>${osgi.version}</Bundle-Version>
						<Bundle-License>LGPL</Bundle-License>
						<Bundle-Vendor>CodeLibs</Bundle-Vendor>

                }, StringIndexOutOfBoundsException.class));
    }

    @ParameterizedTest(name = "{0}")
    @MethodSource("invalidBuffers")
    @DisplayName("Invalid buffers throw appropriate exceptions")
    void invalidInputsThrow(String name, Object bufferSupplierOrBytes, Class<? extends Throwable> expected) {
        // Arrange
        byte[] buf;
        if (bufferSupplierOrBytes instanceof byte[]) {

					</execution>
				</executions>
			</plugin>
			<plugin>
				<groupId>org.sonatype.central</groupId>
				<artifactId>central-publishing-maven-plugin</artifactId>
				<version>0.7.0</version>
				<extensions>true</extensions>
				<configuration>
					<publishingServerId>central</publishingServerId>
				</configuration>
			</plugin>
		</plugins>
	</build>
	<dependencies>
		<dependency>

        System.out.printf("  Avg tree operation time: %.2f ns%n", avgOpTimeNs);

        // Verify thread safety and performance
        assertTrue(exceptions.isEmpty(), "No exceptions should occur with thread-safe collections: " + exceptions);
        assertEquals(threadCount * operationsPerThread, treeOperations.get());
        assertTrue(avgOpTimeNs < 100000, "Tree operations should be reasonable with CopyOnWriteArrayList");