new ICUNormalizer(null);
            fail("Expected IllegalArgumentException");
        } catch (IllegalArgumentException e) {
            assertEquals("transliteratorId must not be null", e.getMessage());
        }
    }

    public void test_invalidTransliteratorId() {
        try {
            new ICUNormalizer("Invalid-Transliterator-ID-12345");
            fail("Expected IllegalArgumentException");

        try {
            preauthService.validatePreauthIntegrity(sessionId, incorrectHash);
            fail("Expected CIFSException");
        } catch (CIFSException e) {
            // Expected
        }

        assertFalse(context.isValid());

        // Further operations on invalid context should fail
        assertThrows(CIFSException.class, () -> {

            tarExtractor.getText(in, null);
            fail();
        } catch (MaxLengthExceededException e) {
            // pass
        }
        tarExtractor.setMaxContentSize(-1);
    }

    public void test_getText_null() {
        try {
            tarExtractor.getText(null, null);
            fail();
        } catch (final CrawlerSystemException e) {
            // NOP
        }

        // First call should fail (no project ID set)
        try {
            conn.connect();
            fail("Should throw IOException");
        } catch (IOException e) {
            assertTrue(e.getMessage().contains("GCS_PROJECT_ID is blank"));
        }

        // Second call should also fail with the same error
        try {
            conn.connect();

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyLong;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.doAnswer;

              + "equal to the hash (2) of TestObject{group=1, item=2} [group 1, item 2]";
      if (!expected.getMessage().contains(expectedMessage)) {
        fail("<" + expected.getMessage() + "> expected to contain <" + expectedMessage + ">");
      }
      return;
    }
    fail();
  }

  /** An object with a friendly {@link #toString()}. */
  private static final class TestObject {
    final int group;
    final int item;

              + "equal to the hash (2) of TestObject{group=1, item=2} [group 1, item 2]";
      if (!expected.getMessage().contains(expectedMessage)) {
        fail("<" + expected.getMessage() + "> expected to contain <" + expectedMessage + ">");
      }
      return;
    }
    fail();
  }

  /** An object with a friendly {@link #toString()}. */
  private static final class TestObject {
    final int group;
    final int item;

                }
            }
            fail("Should have thrown RuntimeException");
        } catch (RuntimeException e) {
            assertEquals("Simulated processing error", e.getMessage());
            // If InputStream wasn't properly closed, this would leak resources
            // try-with-resources ensures cleanup happens
        } catch (IOException e) {
            fail("Should not throw IOException: " + e.getMessage());

    public void test_validateInputStream_throwsExceptionForNull() {
        final TextExtractor extractor = container.getComponent("textExtractor");

        try {
            extractor.getText(null, null);
            fail("Expected CrawlerSystemException");
        } catch (final CrawlerSystemException e) {
            assertEquals("The inputstream is null.", e.getMessage());
        }
    }

    /**

import assertk.assertions.isIn
import assertk.assertions.isInstanceOf
import assertk.assertions.isNotNull
import assertk.assertions.matchesPredicate
import assertk.assertions.startsWith
import assertk.fail
import java.io.IOException
import java.net.ServerSocket
import java.net.Socket
import java.net.SocketException
import java.util.concurrent.CompletableFuture
import java.util.concurrent.RejectedExecutionException