// but PrintStream doesn't throw exceptions on write after close
    }

    @Test
    void testConcurrentAccess() throws InterruptedException {
        // Test thread safety of getInstance
        LogStream.setInstance(testStream);

        final LogStream[] instances = new LogStream[10];
        Thread[] threads = new Thread[10];

        for (int i = 0; i < threads.length; i++) {

        assertTrue(status == CrawlerStatus.RUNNING || status == CrawlerStatus.DONE);
        assertFalse(status == CrawlerStatus.INITIALIZING && status == CrawlerStatus.DONE);
    }

    /**
     * Test null safety in comparisons
     */
    public void test_nullSafety() {
        CrawlerStatus status = CrawlerStatus.INITIALIZING;
        CrawlerStatus nullStatus = null;

        // Enum == null should be false

     *  The implementation of this is a little slow, since it creates
     *  a number of objects each time it is called.  This could be optimized
     *  to keep the same objects around, but then thread-safety issues would arise.
     *
     *  @param contextNode The node to start searching from.
     *  @param expression A valid XPath string.

import org.apache.maven.model.Model;

/**
 * Describes a tag used by the model builder to access a {@link ModelCache}. This interface basically aggregates a name
 * and a class to provide some type safety when working with the otherwise untyped cache.
 *
 * @param <T> The type of data associated with the tag.
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")

## Attribution

    void writeBytesWireFormat_writesExpectedValuesAtOffset(int offset) {
        // Arrange
        Smb2LogoffRequest req = newRequest();
        byte[] buf = new byte[offset + 8]; // extra space for safety

        // Act
        int written = req.writeBytesWireFormat(buf, offset);

        // Assert: should write exactly 4 bytes
        assertEquals(4, written, "Should report 4 bytes written");

        assertNotEquals(instance1.toString(), instance2.toString()); // Different object references in toString
    }

    /**
     * Test thread safety of read/write operations
     */
    @Test
    @DisplayName("Test thread safety of operations")
    public void testThreadSafety() throws InterruptedException {
        // Given
        smbComTreeDisconnect = new SmbComTreeDisconnect(config);

            rateLimiter.recordFailure(username, ip);
        }
    }

    @Test
    public void testConcurrentAccess() throws Exception {
        // Test thread safety with concurrent access
        // Use a separate rate limiter instance with higher limits for this test

		// We are hitting the timeout too often, so increase the timeout by 25%
		timeout := min(
			// Set upper cap.
			atomic.LoadInt64(&dt.timeout)*125/100, int64(maxDynamicTimeout))
		// Safety, shouldn't happen
		if timeout < dt.minimum {
			timeout = dt.minimum
		}
		atomic.StoreInt64(&dt.timeout, timeout)
	} else if failPct < dynamicTimeoutDecreaseThresholdPct {

                count++;
                if (count > 10)
                    break; // Safety check
            }
            assertEquals(0, count, "No iterations should occur for empty iterator");
        }, "EmptyIterator should work with manual iteration");
    }

    @Test
    @DisplayName("EmptyIterator should handle concurrent access safely")
    void testConcurrentAccess() throws InterruptedException, CIFSException {